20th week of 2022 patent applcation highlights part 74 |
Patent application number | Title | Published |
20220158443 | FAULT ISOLATION APPARATUS, DIRECT CURRENT BOOST APPARATUS, AND INVERTER APPARATUS - A fault isolation apparatus includes a controller and a circuit breaker. When the circuit breaker is located on a bus connected to a DC/DC conversion unit, if a voltage collected by a first voltage collection terminal is a negative value, it indicates that input or output of the DC/DC conversion unit is reversely connected. In this case, if the circuit breaker is controlled to be opened, the DC/DC conversion unit can be prevented from being connected in series to other parallel DC/DC conversion units. If a voltage collected by a first voltage collection terminal is low and a current collected by a current collection terminal is large, it indicates that the DC/DC conversion unit is short-circuited. In this case, if the circuit breaker is controlled to be opened, another component connected in series to the DC/DC conversion unit can also be prevented from backfeeding energy to the DC/DC conversion unit. | 2022-05-19 |
20220158444 | ELECTRO-STATIC DISCHARGE DEVICE WITH INTEGRATED CAPACITANCE - An integrated electro-static discharge (ESD) device has a set of metal layers. Each metal layer in the set has one or more first-terminal metal features interleaved with one or more second-terminal metal features in a lateral direction, and at least one first-terminal metal feature in a metal layer of the set overlaps in a normal direction at least one second-terminal metal feature in an adjacent metal layer of the set. By overlapping metal features in the normal direction, capacitance can be added to the ESD device, which improves its operating characteristics, without increasing the layout size of the ESD device. | 2022-05-19 |
20220158445 | Electrostatic discharge protection circuit having time-extended discharging mechanism - The present invention discloses an electrostatic discharge protection circuit having time-extended discharging mechanism. A RC circuit is coupled between an ESD input terminal that receives an ESD input and a ground terminal and includes an input control terminal. An inverter includes a P-type transistor coupled between the ESD input terminal and an output control terminal and an N-type transistor circuit including N-type transistors coupled in series and between the output control terminal and a ground terminal, wherein two of the N-type transistors has an internal connection terminal. Gates of the P-type transistor and N-type transistors are controlled by the input control terminal. A switch transistor is coupled between the ESD input terminal and the internal connection terminal. A discharging transistor is coupled between the ESD input terminal and the ground terminal. The gates of the switch transistor and the discharging transistor are controlled by the output control terminal. | 2022-05-19 |
20220158446 | INTEGRATED CIRCUIT WITH CAPABILITY OF INHIBITING ESD ZAP - An integrated circuit is provided. An ESD inhibition circuit of the integrated circuit is connected with a first pad, a first node and a second node. The ESD inhibition circuit includes a capacitor bank, a resistor, a voltage selector and a switching transistor. The capacitor bank is connected between the first pad and a third node. The resistor is connected between the third node and the first node. The two input terminals of the voltage selector are connected with the third node and a fourth node, respectively. An output terminal of the voltage selector is connected with a fifth node. A first terminal of the switching transistor is connected with the first pad. A second terminal of the switching transistor is connected with the second node. A gate terminal of the switching transistor is connected with the fifth node. | 2022-05-19 |
20220158447 | ELECTROSTATIC PROTECTION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - An electrostatic protection circuit includes first and second output terminals, a first diode circuit connected between the first output terminal and a common node, a second diode circuit connected between the second output terminal and the common node, an intermediate voltage circuit that is connected between the first output terminal and the second output terminal and that is configured to generate, at the common node, an intermediate voltage having an intermediate voltage value between a voltage value of the first output terminal and a voltage value of the second output terminal, and a clamp circuit configured to electrically connect the common node to a ground line in accordance with the intermediate voltage. | 2022-05-19 |
20220158448 | ELECTROSTATIC PROTECTION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - An electrostatic protection circuit includes first and second output terminals, a first diode circuit connected between the first output terminal and a first node, a second diode circuit connected between the second output terminal and the first node, a first intermediate voltage circuit that is connected between the first output terminal and the second output terminal and that is configured to generate, at a second node different from the first node, a first intermediate voltage having an intermediate voltage value between a voltage value of the first output terminal and a voltage value of the second output terminal, a detection circuit configured to generate a trigger signal in accordance with the first intermediate voltage, and a switch circuit configured to electrically connect the first node to a ground line in accordance with the trigger signal. | 2022-05-19 |
20220158449 | GRID-TIED ELECTRIC METER ADAPTER AND SYSTEMS FOR AUTOMATED POWER RESILIENCE AND ON-DEMAND GRID BALANCING - A micro grid system comprises a secondary energy source and a power controller. The secondary energy source is associated with a micro grid that includes a fixed or mobile facility, and the secondary energy source is configured to generate first DC power signal. The power controller is in communication with the secondary energy source and an electric grid, and configured to receive first AC power signal from the electric grid and the first DC power signal from the secondary energy source and output a second AC power signal to loads in communication with the power controller. The power controller comprises an AC to DC frequency converter configured to change frequency and/or voltage of the second AC power signal, a processor, and a memory configured to store instructions that, when executed, cause the processor to control the frequency converter to change the frequency and/or voltage of the second AC power signal. | 2022-05-19 |
20220158450 | ELECTRONIC COMMUTING DEVICE FOR CONTROLLING THE ENERGY CURRENT FLOW IN A WIRE BIDIRECTIONALLY WITHIN AN ELECTRICAL INSTALLATION - An electronic commuting device for controlling the energy current flow in a wire bidirectionally within an electrical installation, in which the electronic commuting device can be used to supply power from a neutral wire of an electrical installation to a smart home controller device is disclosed, which operates only with a line wire and a load wire, to energize an electrical contact and to supply power to a wireless controller coupled thereto. | 2022-05-19 |
20220158451 | FREQUENCY DOMAIN-BASED DETERMINATION OF CURRENTS FOR INJECTION INTO A POWER NETWORK - A system and method for determining currents for injection into or extraction from a power network are provided. In a method conducted at a point of common coupling to the network, Thévenin parameter data structures for each of a Thévenin voltage, resistance and inductance, are compiled. An offset data structure including offset values is compiled for application to corresponding values of the Thévenin voltage data structure to output an offset Thévenin voltage data structure. Offset values are calculated to satisfy physical constraints associated with the network. An optimal point of common coupling power data structure and the offset Thévenin voltage data structure are used to calculate current components for determining current for injection into or extraction from corresponding lines at the point of common coupling to reduce total electrical transmission losses of the network. The method may use the frequency domain and may include using frequency-dependent Thévenin parameters. | 2022-05-19 |
20220158452 | MANAGEMENT SYSTEM, NON-TRANSITORY COMPUTER READABLE MEDIUM, MANAGEMENT METHOD, AND MANAGEMENT SERVER - Provided is a consideration decision unit configured to decide, when the portable energy storage equipment transferred from one body to another body as a first transfer at a first timing is transferred from the other body or still another body which is different from the other body to the one body as a second transfer at a second timing, a consideration for the second transfer of the portable energy storage equipment at the second timing based on at least one of (i) a length of a period from the first timing to the second timing and (ii) a deterioration state of the portable energy storage equipment at the second timing. | 2022-05-19 |
20220158453 | METHOD AND DEVICE FOR PRIMARY FREQUENCY MODULATION IN NEW ENERGY POWER GENERATION - A method and a device for primary frequency modulation in new energy power generation are provided. An inverter performs a first power adjustment according to a p-f droop curve before receiving a power adjustment instruction sent by the power station controller, and performs a second power adjustment in response to the power adjustment instruction. Since the inverter performs the first power adjustment before responding to the power adjustment instruction sent by the power station controller, the response of the primary frequency modulation is speeded up, so that rapid control for the new energy generation power is achieved, thereby ensuring stable operation of a power grid for new energy power generation. | 2022-05-19 |
20220158454 | SOLAR POWER DISTRIBUTION AND MANAGEMENT FOR HIGH COMPUTATIONAL WORKLOADS - A method includes selectably controlling a power supply from a solar Direct Current (DC) power system and an Alternating Current (AC) power system to a computing system including one or more data processing device(s) using an electronic control system, and continuously updating, through a computing power management system associated with the electronic control system, a power consumption requirement of execution of a high computational workload through the one or more data processing device(s) based on analyzing prior energy usage/production and/or predicted energy usage/production relevant to the execution of the high computational workload. The method also includes optimizing the power supply from the solar DC power system to the one or more data processing device(s) using the computing power management system based on the continuously updated power consumption requirement of the execution of the high computational workload. | 2022-05-19 |
20220158455 | POWER MANAGEMENT APPARATUS, POWER MANAGEMENT SYSTEM, AND POWER MANAGEMENT METHOD - A power management apparatus includes a management unit configured to manage data of output power output from a distributed power supply provided at a predetermined facility, a detection unit configured to detect that a user in possession of the distributed power supply is present in a visit space other than the predetermined facility, and a control unit configured to perform, when the user is present in the visit space, interchange processing of providing the output power to the visit space based on the data of the output power. The interchange processing includes processing of supplying electric power to the user in the visit space. | 2022-05-19 |
20220158456 | DG INTENTIONAL ISLANDING USING PADMOUNT TRANSFORMER INTERRUPTERS - A system and method for allowing islanding in an underground power distribution network when power is lost to the network. The network includes transformers having source side and load side switching devices and servicing a transformer section. The method includes detecting loss of voltage to the network, opening the source side and the load side switching devices in all of the transformers and allowing distributed power generation sources in the sections serviced by the transformers to provide power to the section. The method also includes closing one or both of the source side switching device and the load side switching device of a transformer that services a section that has power generation sources providing excess power, and closing a source side switching device or a load side switching device in an adjacent transformer to the transformer section providing excess power to provide power to the adjacent section. | 2022-05-19 |
20220158457 | ANTI-ISLANDING PROTECTION AND NON-EXPORTING TARIFF SUPPORT - A method for preventing unintentional islanding of loop networks when a distributed power source is providing power to the network when network power is lost. The method includes detecting loss of voltage to the network, opening the source side switching device in the transformers nearest both ends of the power line, and detecting that voltage has been restored to the network. Also provided are a system and method for preventing distributed power generation export in a power distribution network during normal operation. The method includes determining the apparent power at the source side of each of the transformers, determining the apparent power at the load side of each of the transformers, comparing the determined apparent powers, and opening the source side and load side switching devices in any transformer where the determined apparent powers are not the same. | 2022-05-19 |
20220158458 | POWER SUPPLY DEVICE AND CONTROL METHOD - This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads. | 2022-05-19 |
20220158459 | METHOD OF CONTROLLING CHARGING AND DISCHARGING OF POWER STATION EQUIPPED WITH MULTIPLE BATTERY PACKS - A method of controlling charging and discharging of a power station equipped with multiple battery packs, performed by a power station including N (N is a natural number equal to or greater than 2) battery packs mounted to be electrically charged/discharged and including a main controller controlling the charging/discharging, includes charging, by the main controller, the N battery packs in a determined charge order by controlling N input relay units connecting the N battery packs to an external charge source, and when a load is connected from the outside during the charging operation, calculating, by the main controller, an amount of electricity required by the load, controlling N output relay units connecting the N battery packs to the load to connect battery packs by the number corresponding to the calculated amount of electricity to the load and perform a discharging operation, wherein the charging operation and the discharging operation are performed simultaneously. | 2022-05-19 |
20220158460 | CHARGER CASE FOR WEARABLE ELECTRONICS - A charger case for storing and charging two electronic devices includes a docking tray having two storage compartments to hold the two electronic devices. The charger case includes two device connectors, with each device connector exposed to a respective one of the two storage compartments to establish electrical communication with a respective one of the two electronic devices. A portable charger is included in the case and electrically coupled to the two device connectors. | 2022-05-19 |
20220158461 | Secondary Cell System - The present invention provides a high reliability secondary cell system in which a power supply is multiplexed without using a lead storage battery. This secondary cell system | 2022-05-19 |
20220158462 | SMART CONNECTION DEVICE, JUMP STARTER, AND BATTERY CLAMP - The present disclosure provides a smart connection device, a jump starter and a battery clamp. The smart connection device includes a switch circuit, a drive signal transmission module and a reverse connection detection module. The drive signal transmission module is configured to transmit a drive signal output by a controller to the switch circuit, so as to conduct the switch circuit. The reverse connection detection module is configured to detect a connection state of the external load through a load connection terminal, and output a corresponding control signal to the drive signal transmission module according to a detection result, wherein the control signal is configured to control a transmission of the drive signal by the drive signal transmission module. | 2022-05-19 |
20220158463 | SMART CONNECTION DEVICE, JUMP STARTER, AND BATTERY CLAMP - The present disclosure provides a smart connection device, a jump starter and a battery clamp. The smart connection device includes a power connection terminal coupled to an energy storage module, a load connection terminal coupled to an external load, a switch element, a power supply loop, and a reverse connection detection module. The reverse connection detection module outputs a first control signal to the power supply loop, when the external load is reversely coupled to the load connection terminal. The power supply loop is in a disconnection state and supplies no power to the switch element when it receives the first control signal. The switch element is in an off state when it receives no power supply, to make the power connection terminal and the load connection terminal be in a disconnection state, thereby preventing the energy storage module from providing a discharge output to the external load. | 2022-05-19 |
20220158464 | EV CHARGER WITH ADAPTABLE CHARGING PROTOCOL - The present disclosure provides a charger comprising an AC port, a variable voltage DC power supply connected to said AC port and comprising a controller having an input to receive charging parameters, a charge cable connector connectable to a battery, an interface connectable to said connectors and to said input of said DC power supply wherein said interface performs either translating a battery management system voltage command regarding charging parameters of said battery received via said charge cable connector into said input for said variable voltage DC power supply, or generating said input for said variable voltage DC power supply defining said charging parameters for said battery from measured information about said battery. | 2022-05-19 |
20220158465 | RECHARGEABLE BATTERY JUMP STARTING DEVICE WITH CONTROL SWITCH AND OPTICAL POSITION SENSING SWITCH SYSTEM - Disclosed herein are a rechargeable battery jump starting device with a control switch (e.g. rotary control switch) and an optical position sensing switch system to determine a position of the control switch. The optical position sensing switch system includes an optical position sensor using optical coupling to insure an integrity of isolation on a 12V to 24V master switch to allow for a safe and effective operation, and configured so that a microcontroller unit reads a position on the master switch. | 2022-05-19 |
20220158466 | SYSTEM COMPRISING ELECTRONIC DEVICE AND BATTERY CHARGING DEVICE, AND OPERATION METHOD THEREFOR - An electronic device, according to one embodiment of the present invention, comprises: a housing; a drive unit for moving the housing; a battery mounting unit formed in the housing so as to enable the placement of batteries, the battery mounting unit comprising a first slot enabling the placement of a first battery, and a second slot enabling the placement of a second battery; a separator device, disposed on the battery mounting unit, for separating the first battery from the first slot or separating the second battery from the second slot; and a processor electrically connected to the drive unit and the separator device, wherein the processor may control the separator device so that same separates the second battery from the second slot when the first battery is placed in the first slot, and separates the first battery from the first slot when the second battery is placed in the second slot. In addition, other various embodiments are possible. | 2022-05-19 |
20220158467 | SELF-DIAGNOSTIC FAULT IDENTIFICATION SYSTEM FOR EMERGENCY LIGHTING UNIT - An emergency lighting device includes a housing, a light emitter positioned in the housing, a control circuit positioned in the housing and operatively connected to the light emitter, an indicator light positioned in the housing, and a fault indicator circuit positioned in the housing and operatively connected to the indicator light. The fault indicator circuit is configured to monitor the light emitter, analyze activation of the light emitter, and activate the indicator light based on the analysis of the activation of the light emitter. | 2022-05-19 |
20220158468 | Battery Management Apparatus, Battery Management Method, Battery Pack and Electric Vehicle - A battery management apparatus, battery management method and battery pack that detects feature points of each of a first differential capacity curve acquired by charging the battery with a first constant current, a second differential capacity curve acquired by discharging the battery with the first constant current, a third differential capacity curve acquired by charging the battery with a second constant current and a fourth differential capacity curve acquired by discharging the battery with the second constant current, and determines degradation information of the battery based on voltage values of the feature points detected from each differential capacity curve. | 2022-05-19 |
20220158469 | MATRIX BATTERY SYSTEM FOR MEDICAL DEVICES - Systems and methods are provided for supplying an electrical power to a medical imaging system. The system comprises a primary power supply unit for providing an input electrical power. The system further comprises an H-bridge converter connected to the primary power supply unit and configured to receive an electrical power from the primary power supply unit. The system further comprises at least one battery line comprising one or more batteries. The at least one battery line is connected to the H-bridge converter and the H-bridge converter is configured to charge the one or more batteries of the at least one battery line using the input electrical power from the primary power supply unit. The system further comprises an output connected to the H-bridge converter and configured to supply the electrical power stored in the one or more batteries to the medical imaging system. | 2022-05-19 |
20220158470 | POWER RECEPTION CONTROL METHOD FOR POWER STORAGE ELEMENT AND POWER RECEPTION CONTROL DEVICE - A power reception control method for a power storage element controls element-receiving electric power received by the power storage element in an electric power system for supplying electric energy to a load group including plural power storage elements. The power reception control method acquires differential electric power by subtracting a current value of total transmitted electric power from a maximum value of the total transmitted electric power that is an available amount to be supplied to the entire load group via an electric power supply base point, calculates a degree of priority of the power storage element in accordance with a numerical value indicating a demand of a user, multiplies the differential electric power by the degree of priority to calculate element differential electric power, and adds the element differential electric power to the previous element-receiving electric power so as to update the element-receiving electric power. | 2022-05-19 |
20220158471 | Method for the Adaptive Rapid Charging of a Battery Pack - The disclosure is based on a method for the adaptive rapid charging of a battery pack, in particular of an interchangeable battery pack for electric machine tools, by way of a battery charger, wherein, in at least one method step, at least one charging parameter of the battery charger is adjusted depending on at least one parameter of the battery pack. It is proposed, in at least one method step, for the at least one charging parameter to be adjusted depending on at least one charging characteristic diagram that is typical for the battery, is stored in a storage unit of the battery pack and contains at least predefined values of a voltage, temperature and/or current suitable for a charging procedure for the battery pack. | 2022-05-19 |
20220158472 | Wireless charging device - A wireless charging device is disclosed, and comprises a microcontroller, a wireless charging module, at least one radiator fan, at least one status light, and a temperature sensor. The microcontroller has a memory unit that stores with a plurality of setting parameters, such that the microcontroller controls the wireless charging module to produce a wireless charging signal with a specific power according to the setting parameters, thereby transmitting the wireless charging signal to a receiver coil of a mobile electronic device under wirelessly charged. According to the setting parameters, the microcontroller also carries out a controlling operation of the radiator fan, such as fan rotation starting, rotation speed raising, rotation speed lowering, and fan rotation stopping. In addition, the microcontroller also controls the status light to exhibits a corresponding lighting scenario according to the setting parameters and an immediate charging mode. | 2022-05-19 |
20220158473 | POWER FEEDING SYSTEM - A power feeding system of the present disclosure includes a control unit. In a case where a magnitude of supply destination power is smaller than an upper limit value of the power supply capability of the power source, the control unit controls the charge/discharge control circuit so as to meet the supply destination power based on power output from the power source, and to charge the storage battery with power which is a difference obtained by subtracting the supply destination power from the upper limit value of the power supply capability of the power source. In a case where the magnitude of the supply destination power is more than or equal to the upper limit value of the power supply capability of the power source, the control unit controls the charge/discharge control circuit so as to meet the supply destination power by both the power source and the storage battery. | 2022-05-19 |
20220158474 | SENSOR DEVICE - A sensor device includes: a primary battery; a secondary battery that is charged by energy harvesting; a sensor that is operated by electricity supplied from the primary battery or from the secondary battery; a source-of-electricity switching circuit that switches a source of electricity for the sensor between the primary battery and the secondary battery; a notification unit that makes a notification indicating information; and a controller that controls the sensor and the notification unit. The source-of-electricity switching circuit switches the source of electricity to the primary battery when a voltage of the secondary battery falls below a predetermined first reference voltage in the case where the source of electricity is the secondary battery. The controller causes the notification unit to make a notification indicating that an operation of the secondary battery is unstable, when the voltage of the secondary battery falls below the first reference voltage. | 2022-05-19 |
20220158475 | VEHICLE BATTERY JUMP STARTER POWERED BY A REMOVABLE AND RECHARGEABLE BATTERY PACK - A vehicle battery jump starter that is powered by a removable and rechargeable battery pack, such as a battery pack used with various hand-held power tools. The battery pack removably connects to a vehicle battery jump starter and can be selectively used to charge a power boost module within the vehicle battery jump starter. The power boost module includes, for example, a plurality of supercapacitors or lithium polymer battery cells. The power boost module in combination with the battery pack | 2022-05-19 |
20220158476 | CHARGING MANAGEMENT METHOD AND SYSTEM FOR AUTOMOTIVE ELECTRONIC SUPER CAPACITOR - A charging management method for an automotive electronic super capacitor includes: detecting a voltage difference between a charging power supply and a super capacitor, and comparing the voltage difference with a first threshold voltage and a second threshold voltage, wherein the first threshold voltage is greater than the second threshold voltage; according to a comparison result, by adopting constant-current charging and controlling a unidirectional conduction module to turn on, causing the charging power supply to charge the super capacitor through a charging module until a voltage across the super capacitor reaches a voltage of the charging power supply; and turning off the charging module so that a low voltage difference is avoided in which case the super capacitor is discharged to the charging power supply through the charging module. | 2022-05-19 |
20220158477 | MODULAR ELECTRICAL POWER SUBSYSTEM ARCHITECTURE - An electrical power system has a dual battery configuration that enables sufficient power supply for a spacecraft bus and a payload module being carried by the spacecraft. During a sunlight power mode, power is drawn from a solar array of the bus to power a low-discharge payload of the spacecraft and a high-discharge payload of a payload module. During the sunlight power mode, a low rate discharge battery and a high rate discharge battery are charged by a battery charge management unit of the spacecraft bus. During an eclipse power mode, the low rate discharge battery powers the low-discharge payload of the spacecraft and the high rate discharge battery powers the high-discharge payload of the payload module. The high-rate discharge battery may also be used to power the high-rate discharge payload in the sunlight power mode to meet its high current demands to meet a flexible mission operations. | 2022-05-19 |
20220158478 | MOTOR VEHICLE CONTROL DEVICE HAVING A SWITCH-ON AND SWITCH-OFF FUNCTION FOR AT LEAST ONE ELECTRICAL CONSUMER THAT IS TO BE CONTROLLED BY THE MOTOR VEHICLE CONTROL DEVICE - A motor vehicle control device may have a switch-on and switch-off function for at least one electrical load to be controlled by the motor vehicle control device. The motor vehicle control device may include an electronic switching element for arrangement in a supply voltage path of the electrical load and a control unit for controlling the electronic switching element. The control unit is designed to provide a control signal for switching the electronic switching element based on at least one input signal. The control unit may include a resistor connected to the supply voltage path and a current control means connected in series therewith for generating a predefinable voltage difference at the resistor as the control signal for the electronic switching element. | 2022-05-19 |
20220158479 | INTELLIGENT PORTABLE ENERGY STORAGE SYSTEM INTERLINKED WITH UNINTERRUPTIBLE POWER SUPPLY - This intelligent portable energy storage system interlinked with an uninterruptible power supply comprises: an uninterruptible power supply including a power input terminal to which power is input from an external power source and an output terminal with which a load device is coupled; a plurality of output ports for coupling the load device; a communication module for receiving external data; and an energy storage device including an analysis processor for learning and analyzing the external data received by the communication module and the power consumption patterns of a user, wherein, when a power supply cutoff time is detected through the learning and analysis by the analysis processor, the energy storage device is cut off from regular charging received from the uninterruptible power supply and supplies power to the load device. The analysis processor provided in the energy storage device can analyze, through learning, power consumption patterns, environmental information, and/or disaster information, control the charging speed and/or charging amount of the energy storage device on the basis of such learning data, and control output according to the priority of the load device. | 2022-05-19 |
20220158480 | POWER SUPPLY CONTROL APPARATUS - In a power supply control apparatus, a control unit configured to turn on a first switch and turn off a second switch when a backup power supply is to be charged, and turn off the first switch and turn on the second switch when electric power is to be supplied from the backup power supply to a backup load. The control unit sets an upper limit value of a state of charge of the backup power supply based on an output voltage to the backup load obtained by subtracting, from an open circuit voltage of the backup power supply, a voltage drop from an internal portion of the backup power supply to an output to a backup load side via the second switch. | 2022-05-19 |
20220158481 | POWER SUPPLY CONTROL APPARATUS - In a power supply control apparatus, a control unit is configured to execute: discharge control of turning off a first switch and turning on a second switch to discharge electric power from a backup power supply to a backup load; first charge control of turning on the first switch and turning off the second switch to charge the backup power supply via a charging DC/DC converter; and second charge control of turning on the first switch and turning on the second switch to charge the backup power supply via the second switch. In charging the backup power supply, the second charge control is executed only in a case in which a current value of a charging current is equal to or greater than a first predetermined value and equal to or less than a second predetermined value that is greater than the first predetermined value. | 2022-05-19 |
20220158482 | PERSISTENT DC POWER AND CONTROL SWITCH - A DC switch with embedded de-multiplexing function links a plurality of DC switches in a priority chain and enables concurrent power switching between DC switches. The priority chain automatically selects a most cost-effective power for output to optimize energy utilization efficiency and with a just-in-time enable to activate standby-power to minimize energy waste in persistent DC power. | 2022-05-19 |
20220158483 | Power Supply System, and Uninterruptible Power Supply Including a Power Supply System - A power supply system comprises an AC input, an AC output, and a DC input; a DC intermediate circuit; a first converter connected, via a first bistable switching circuit, between the AC input and the DC intermediate circuit; a second converter connected, via a second bistable switching circuit, between the DC intermediate circuit and the AC output; a third converter connected, via a third bistable switching circuit, between the DC input and the DC intermediate circuit; a bypass circuit connected, via a bypass bistable switching circuit, between the AC input and the AC output and configured to provide a bypassing path from the AC input to the AC output; and a control unit. | 2022-05-19 |
20220158484 | PORTABLE ELECTRICAL GENERATOR - An electrical generator is provided. The electrical generator can include a generator, an electric motor, and a battery. The generator has a rotatable shaft and stationary component and be operatively coupled via a drive belt to the motor, which provides torque to the rotatable shaft of the generator The battery is operatively coupled to the motor. The generator can be operatively coupled to a utility grid via a transformer/invertor that can import current from the utility grid to charge the battery when the utility grid is operating and export current from the generator to a grid connector when the utility grid is not operating. The current generated from a cooldown, powerup, or an excess of power from the generator can be stored in a current storage tank, which can include a sensor configured to signal the cooldown of the generator on detecting of load. | 2022-05-19 |
20220158485 | INPUT REDUNDANT POWER SUPPLY WITH ZERO CURRENT SWITCHING - An input redundant power supply circuit includes a power converter, a relay switch unit including a first relay circuit coupled to a first power source and a second relay circuit coupled to a second power source, a control unit configured to control the relay switch unit so that the power converter is supplied power by the first or second power source, a high capacity capacitor powered by the power converter and a step-up converter coupled between the power converter and the high capacity capacitor. The step-up converter maintains a voltage across the high capacity capacitor higher than a voltage of the first power source or a voltage of the second power source when the relay switch unit switches from one of the first power source and the second power source to the other of the first power source and the second power source. | 2022-05-19 |
20220158486 | CONTROL DEVICE, PROGRAM, AND CONTROL METHOD - A control device is connected to power loads installed in a consumer facility so as to be able to communicate with the power loads. The control device includes: a control unit; and a display unit. The control unit determines the power loads and predicted power consumption when the power loads are used, determines at least one usable power load out of the power loads based on a remaining amount of available electric power in the consumer facility and the predicted power consumption, displays the usable power load on the display unit such that the usable power load is selectable, and controls use of the selected power load. | 2022-05-19 |
20220158487 | SELF-ORGANIZING AGGREGATION AND COOPERATIVE CONTROL METHOD FOR DISTRIBUTED ENERGY RESOURCES OF VIRTUAL POWER PLANT - A self-organizing aggregation and cooperative control method for distributed energy resources of a virtual power plant is provided. According to the self-organizing aggregation and cooperative control method for the distributed energy resources of the virtual power plant, through self-organizing aggregation of the agents, optimized combination and cooperative control over the energy resources can be realized, overall regulation and control cost can be reduced, and the operation efficiency of the virtual power plant can be obviously improved. Moreover, a multi-level self-organizing aggregation method of the virtual power plant is provided, offering an underlying mechanism for revealing an emergence mechanism of a system. In addition, a method for realizing self-organizing aggregation of the adaptive agents is provided such that an optimal joint action and gains of an adaptive agent combination can be quickly and accurately solved, a convergence process of self-organizing aggregation can be accelerated, and overall decision-making efficiency can be improved. | 2022-05-19 |
20220158488 | WIRELESS POWER TRANSMISSION DEVICE HOLDER AND METHOD FOR MAKING THE SAME - Described herein is a wireless power transmission device holder for carrying an external coil including a coil body and a wire. The holder includes a fabric panel including a plurality of segments and at least partially defining a cavity sized to receive the coil body. The holder includes a fastening mechanism provided on at least one segment of the plurality of segments on a back side of the fabric panel, wherein the fastening mechanism is configured to engage a garment at a user selected position on the garment, and define an opening sized to receive the wire extending from the coil body. | 2022-05-19 |
20220158489 | PORTABLE WIRELESS CHARGER WITH WIRELESS CHARGING BASE - A portable charger for an electronic device is disclosed, including a wireless charging base configured to store supplemental power and transmit the supplemental power to a portable wireless charger. The portable wireless charger is in electrical communication with the wireless charging base. The portable wireless charger is configured to wirelessly transmit the stored supplemental power wirelessly to an electronic device. The portable wireless charger is releasably engaged to the wireless charging base. | 2022-05-19 |
20220158490 | LONG DISTANCE WIRELESS MOBILE PHONE POWER CHARGING DEVICE - A long distance wireless mobile phone power charging device comprises a power source for providing electric power; the power source being connected to a power conversion and transmission device; the power conversion and transmission device serving to receive power from the power source and converting the received power into electromagnetic waves for transmitting outwards; the power source containing a battery for power storage; the battery being connected to the power conversion and transmission device; and a receiver which is capable to be connected to a handset; the receiver serving to receive electromagnetic wave emitted from the power conversion and transmission device and then converting the electromagnetic wave into electric current which is further transferred to power cells of the handset; and wherein in power charging, the wireless power charger is placed near the power source; the wireless power charger power supplies power to the power source by electromagnetic induction. | 2022-05-19 |
20220158491 | Wireless Charger - A wireless charger comprises a top cover; a metallic case; and a first thermoelectric cooler chip, disposed between a bottom surface of the top cover and a top surface of the metallic case to form a heat conductive path from the top cover to the metallic case via the first thermoelectric cooler chip for dissipating heat generated by an electronic device disposed on the top cover for wireless charging the electronic device. | 2022-05-19 |
20220158492 | ELECTRONIC DEVICE RECEIVING WIRELESS POWER - A wireless power receiver receiving power from a wireless power transmitter is provided. The receiver includes a resonance circuit, a rectifier circuit, and a driver circuit. The resonance circuit includes first and second coils and a first capacitor. The rectifier circuit includes first and second rectifier circuits. The first rectifier circuit includes first through fourth MOSFETs. Sources of the first and second MOSFETs are connected to ends of a resonator including the first coil and the first capacitor. Sources of the third and fourth MOSFETs are connected to ground. The driver circuit is connected to gates of the first through fourth MOSFETs, When the driver circuit switches off the first and second MOSFETs and switches on the third and fourth MOSFETs, as currents are induced in the resonator and the second coil, the resonance circuit receives the wireless power, and the current induced in the second coil is rectified by the second rectifier circuit. | 2022-05-19 |
20220158493 | LOW POWER- AND MEDIUM POWER-COMPATIBLE WIRELESS CHARGING RECEIVING DEVICE AND METHOD - The present specification relates to a wireless power receiving device, receiving method, and receiving system, the device comprising individual rectifiers for each receiving coil, wherein the individual rectifiers comprise isolators for isolating a receiving coil for PC0 from a receiving coil for PC1. | 2022-05-19 |
20220158494 | ELECTRONIC APPARATUS, POWER SUPPLY SYSTEM AND POWER SUPPLY CONTROL METHOD - A power supply system includes a first power supply apparatus configured to perform power transmission by an electromagnetic wave having a first frequency band, and a second power supply apparatus configured to perform power transmission by an electromagnetic wave having a second frequency band. The first power supply apparatus and the second power supply apparatus are provided so as to be 2H×{tan(θ)} or greater distant from each other, when each of the first power supply apparatus and the second power supply apparatus is provided in height H from a floor surface, where H is a positive number, and when a direction of a maximum value ±3 dB is in a range from −θ to +θ in a case where a perpendicular downward direction from each position is a standard. | 2022-05-19 |
20220158495 | ASYMMETRIC SPIRAL ANTENNAS FOR WIRELESS POWER TRANSMISSION AND RECEPTION - A near-field charging system for wirelessly charging electronic devices using electromagnetic energy having a low frequency is provided. The near-field charging system comprises: (A) a transmitting antenna comprising: a first substrate; and a first antenna, coupled to the first substrate, that follows a first meandering pattern having a first length, wherein the transmitting antenna has a first port impedance, and (B) a receiving antenna comprising: a second substrate; and a second antenna, coupled to the second substrate, that follows a second meandering pattern having a second length, wherein: (i) the second length is less than the first length, and (ii) the receiving antenna has a second port impedance that is less than the first port impedance. The transmitting antenna is configured to transmit electromagnetic energy having a frequency at or below 60 MHz to the receiving antenna at an efficiency above 90%. | 2022-05-19 |
20220158496 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSFER SYSTEM - A wireless power transmitter includes an antenna that transmits a radio wave, a phase shift circuit that changes a phase of the radio wave transmitted from the antenna, a control device that controls the phase shift circuit, and a backscatter signal receiver that receives a backscatter signal. The control device executes phase optimization processing of controlling the phase shift circuit so that a strength of the backscatter signal received by the wireless power transmitter is maximized. | 2022-05-19 |
20220158497 | Integrated Energy Harvesting Transceivers and Transmitters With Dual-Antenna Architecture for Miniaturized Implants and Electrochemical Sensors - Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit. | 2022-05-19 |
20220158498 | THREE-DIMENSIONAL IMAGER AND PROJECTION DEVICE - The systems and methods described herein include a device that can scan the surrounding environment and construct a 3D image, map, or representation of the surrounding environment using, for example, invisible light projected into the environment. In some implementations, the device can also project into the surrounding environment one or more visible radiation pattern patterns (e.g., a virtual object, text, graphics, images, symbols, color patterns, etc.) that are based at least in part on the 3D map of the surrounding environment. | 2022-05-19 |
20220158499 | OPERATING ROOM WIRELESS POWER TRANSFER - SA surgical room power system including at least one source of power wired to a power source for a surgical room, the at least one source of power being wired to the surgical room; at least one power receiver; and a surgical power consumer wired to the at least one power receiver, the surgical power consumer being configured to assist a surgeon during a surgical procedure on a patient. The at least one source of power wirelessly transfers power to the at least one power receiver for powering the surgical power consumer. | 2022-05-19 |
20220158500 | ELEVATOR - An elevator includes a plurality of power transmission/reception devices each including: a power transmission coil connected to a main power supply; a power reception coil for receiving power transmitted from the power transmission coil and supplying power to a load; and an inverter which is provided between the main power supply and the power transmission coil, and which converts power supplied from the main power supply, to power having a predetermined frequency, and supplies the power to the power transmission coil, wherein the plurality of power transmission/reception devices are connected in parallel between the main power supply and the load. Since the inverters are individually connected to the power transmission coils, it is possible to efficiently supply power to the load even when using some of the power transmission coils. | 2022-05-19 |
20220158501 | REDUCTION COIL FOR WIRELESS CHARGING AND ELECTROMAGNETIC WAVE REDUCTION APPARATUS INCLUDING REDUCTION COIL - The present disclosure relates to a reduction coil and an electromagnetic wave reduction apparatus including the reduction coil, and more particularly, an electromagnetic wave reduction apparatus including a reduction coil between a transmission coil and a reception coil to reduce, through the reduction coil, unnecessary electromagnetic waves generated in a process of transmitting electromagnetic waves generated by the transmission coil to the reception coil. | 2022-05-19 |
20220158502 | WIRELESS POWER TRANSFERRING METHOD AND DEVICE THEREFOR - A method for receiving, by a power receiver, wireless power from a power transmitter. The method includes a ping phase of detecting execution of digital ping of the power transmitter and transmitting a response to the detected digital ping to the power transmitter using a first communication protocol; and a configuration phase of transmitting a configuration packet to the power transmitter using the first communication protocol, wherein the configuration packet includes communication protocol information of the power receiver indicating a second communication protocol supported by the power receiver. Further, the power receiver supports the second communication protocol, based on that a value of the communication protocol information is ‘1’, and the power receiver does not support the second communication protocol, based on that the value of the communication protocol information is ‘0’. | 2022-05-19 |
20220158503 | ASSEMBLY FOR OPTICAL TO ELECTRICAL POWER CONVERSION TRANSFER - An assembly for optical to electrical power conversion including a photodiode assembly having a substrate layer and an internal side, an antireflective layer, a heterojunction buffer layer adjacent the internal side; an active area positioned adjacent the heterojunction buffer layer, a plurality of n+ electrode regions and p+ electrode regions positioned adjacent the active area, and back-contacts configured to align with the n+ and p+ electrode regions. The active area converts photons from incoming light into liberated electron hole pairs. The heterojunction buffer layer prevents electrons and holes of the liberated electron hole pairs from moving toward the substrate layer. The plurality of electrode regions are configured in an alternating pattern with gaps between each n+ and p+ electrode region. The electrode regions receive and generate electrical current from migration of the electrons and the holes, provide electrical pathways for the electrical current, and provide thermal pathways to dissipate heat. | 2022-05-19 |
20220158504 | DEVICE AND METHOD CAPABLE OF OUT-BAND COMMUNICATION IN WIRELESS CHARGING DEVICE, METHOD, AND SYSTEM - The present specification relates to a device and method capable of in-band communication and out-band communication between a wireless power transmitting device and a wireless power receiving device. The present specification provides a wireless power transmitting device, a wireless power transmitting method, a wireless power receiving device, a wireless power receiving method, and a wireless charging system capable of preventing cross connection when connecting out-band communication by exchanging necessary information by using in-band communication. | 2022-05-19 |
20220158505 | NEAR FIELD COMMUNICATION METHOD AND DEVICE IN WIRELESS POWER TRANSMISSION SYSTEM - The present invention relates to a near field communication method and device in a wireless power transmission system. A wireless power receiving device comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitting device having a primary coil by magnetic coupling to the wireless power transmitting device at an operating frequency and convert an alternating current signal generated from the wireless power into a direct current signal; a communication circuit configured to perform in-band communication with the wireless power transmitting device by using the operating frequency and perform out-band communication with the wireless power transmitting device or another device by using a frequency other than the operating frequency; and a control circuit configured to control an overall operation of the wireless power receiving device, wherein a first connection parameter for out-band communication between the wireless power transmitting device and the wireless power receiving device can be set equal to a second connection parameter for out-band communication between the wireless power transmitting device and another wireless power receiving device. | 2022-05-19 |
20220158506 | CHARGING SYSTEM INCLUDING ORIENTATION CONTROL - A charging system for a peripheral device, such as a stylus, including orientation control. The charging system includes charging circuitry and magnets. The magnets are configured so that they attract the peripheral device to an engagement surface when it is in a first orientation relative to the engagement surface so that charging circuitry in a peripheral device portion couples with charging circuitry in a charger portion. The magnets are configured so that they also repel and rotate the peripheral device when it is in a second orientation relative to the engagement surface. | 2022-05-19 |
20220158507 | Coil Component and Electronic Expansion Valve with Coil Component - Disclosed are a coil component and an electronic expansion valve with the coil component. The coil component includes an injection molded part, a stator housing, a stator pole plate and a circuit board. The stator housing, the stator pole plate and the circuit board are all provided in the injection molded part. The coil component further includes: a fixing part, the fixing part is provided in the injection molded part; a conductive part, the conductive part is provided on the fixing part, and the conductive part is configured to conductively connect at least one of the stator housing and the stator pole plate to the circuit board; and a sensor, the sensor is provided on the fixing part, and the sensor is connected to the circuit board. | 2022-05-19 |
20220158508 | STATOR CORE, ROTOR CORE, AND MOTOR - A stator core includes a core back having an annular shape around a central axis, teeth extending outward from the core back in a radial direction, and an inner peripheral surface located inside the core back in the radial direction and extending from an upper end to a lower end of the core back around the central axis. The core back includes a plastically deformable portion having an annular shape around the central axis and disposed below the core back in the axial direction. At least a portion of the plastically deformable portion has a different distance from the central axis than another portion of the core back. | 2022-05-19 |
20220158509 | COMPRESSOR - The invention relates to a compressor for refrigerant having a compressor housing, said compressor housing being provided with a suction inlet and a pressure outlet, said compressor comprising a compression unit, arranged in a compression housing section of said compressor housing and an electric motor arranged in a motor housing section of said compressor housing, said electric motor comprising a stator arranged within a stator receiving sleeve of said motor housing section and a rotor surrounded by said stator and arranged on a drive shaft of said electric motor for rotation about an axis of rotation together with said drive shaft, said stator comprising a stator core having a stack of laminations and extending parallel to said axis of rotation from a first front side to a second front side, said stator having windings extending through said stator core and forming end windings arranged in front of said front surfaces, and a channel for guiding at least a portion of said refrigerant entering through said suction inlet along an outer side of said stator before entering said compression unit. | 2022-05-19 |
20220158510 | ROTOR OF ROTATING ELECTRICAL MACHINE AND REPAIRING METHOD THEREFOR - In a rotor of a rotating electric machine, a slot includes a winding insertion portion and a widened portion. A width dimension of the widened portion is larger than a width dimension of the winding insertion portion. A pair of step portions are formed on both sides of an end portion of the winding insertion portion on the widened portion side. A wedge member is spaced from and opposed to the pair of step portions. An insulation includes: an insulation main body arranged between a rotor winding and a damper bar; and an extended portion, which is arranged in at least a part of a space between the wedge member and the pair of step portions, and is configured to suppress movement of the damper bar in a circumferential direction of a rotor core. | 2022-05-19 |
20220158511 | MAGNET STRUCTURE HAVING A PLURALITY OF INDIVIDUAL MAGNETS INTEGRATED INTO A MESH STRUCTURE - A three-dimensional magnet structure ( | 2022-05-19 |
20220158512 | PATTERNS FOR BALANCED STATOR WINDINGS IN ELECTRIC MOTOR - An electric motor comprises: a rotor having poles equaling a first number; and a stator having slots equaling a second number, the stator having stator windings formed by conductors wound in a wave pattern around the stator, wherein a third number of the conductors are located in each of the slots, wherein the conductors form three balanced parallel paths through the slots, each of the conductors in the three balanced parallel paths undergoing a same number of pitch turns, each of the pitch turns being either a standard pitch turn or a nonstandard pitch turn, the standard pitch turn involving wrapping around slots equaling the second number divided by the first number, the nonstandard pitch turn involving wrapping around more or fewer slots than the standard pitch turn, wherein each of the three balanced parallel paths forms a repeating pattern throughout the slots. | 2022-05-19 |
20220158513 | STATOR, METHOD FOR MANUFACTURING STATOR, AND MOTOR - Provided is a stator including: a stator core having a plurality of teeth; and a distributed winding coil. The plurality of teeth include a first tooth having an umbrella and a second tooth having no umbrella. The first and second teeth are alternately disposed in a circumferential direction of the stator core. A slot between the first and second teeth adjacent to each other has a radial opening that opens radially. The radial opening has a circumferential width larger than a wire diameter of the coil and smaller than twice the wire diameter of the coil. | 2022-05-19 |
20220158514 | MOTOR WINDING PATTERN AND MOTOR DRIVING SYSTEM - A motor winding pattern is provided. In a driving system in which a first inverter and a second inverter are connected to a drive motor, and one end of a stator winding through which a three phase currents flow is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter, coils to which three phase currents are applied are wound on slots defined in a stator of the drive motor, and coils to which alternating current phases different from each other are applied are wound inside and outside each of all the slots defined in the stator on the basis of direction toward a rotation axis of the drive motor. | 2022-05-19 |
20220158515 | STATOR - The stator is provided with a first joint part provided so as to extend in a radial direction as viewed in a rotation axis line direction; and a second joint part provided at a location corresponding to a fastening member and provided so as to extend in the rotation axis line direction so as not to overlap the fastening member. | 2022-05-19 |
20220158516 | STATOR AND METHOD FOR PRODUCING A STATOR - A stator and a method for producing a stator are provided. For this purpose, a connection element is used which includes multiple busbars and a star bar. The connection element has multiple contact points for the busbars and multiple contact points of the star bar. The connection element surrounds the winding ends of the winding head. The winding ends are bent relative to the contact points of the connection element and contact the contact points electrically, by a bending ridge which is positioned on the connection element. | 2022-05-19 |
20220158517 | STATOR ASSEMBLY FOR A BRUSHLESS MOTOR IN A POWER TOOL - A stator assembly for a brushless DC motor includes a stator core including stator poles and an outer surface, at least one magnet wire wound on the poles forming stator windings, and a bus bar including a non-conductive mount arranged on the outer surface and conductive terminals. Each conductive terminal includes: a main portion mounted on the non-conductive mount substantially parallel to the longitudinal axis of the motor, a tang portion folded over the main portion from a first longitudinal end of the main portion, and a connection tab at a second longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal, and the connection tab makes electric contact with a wire supplying electric power to the motor. | 2022-05-19 |
20220158518 | STATOR ASSEMBLY FOR A BRUSHLESS MOTOR IN A POWER TOOL - A stator assembly for a brushless DC motor includes a stator core including stator poles and an outer surface, at least one magnet wire wound on the poles forming stator windings, and a bus bar including a non-conductive mount and conductive terminals. Each conductive terminal includes: a main portion and a tang portion extending from a first longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal. The tang portion has a smaller lateral width than the main portion and is folded over the main portion to capture the contact portion of the at least one magnet wire. A power wire supply electric power to the motor is coupled to the conductive terminal proximate the second longitudinal end of the main portion. | 2022-05-19 |
20220158519 | DRIVE DEVICE - A drive device includes a motor, an inverter to control current supplied to the motor, plate-shaped busbars that electrically connect the motor with the inverter, and a housing that accommodates the motor, the inverter, and the busbars. The housing includes a partition wall that partitions the inside of the housing into a motor housing and an inverter housing. The partition wall is provided with a through hole. Each busbar includes a motor connection terminal, an inverter connection terminal, a first portion extending from the motor connection terminal toward the through hole, and a second portion extending from the first portion to the inverter connection terminal through the through hole. At least two busbars overlap each other in a plate thickness direction inside the through hole. | 2022-05-19 |
20220158520 | MOTOR COOLING SYSTEM FOR E-BOOSTING DEVICE - A motor assembly for an e-boosting device is disclosed. The motor assembly includes a motor case and a motor cavity within the motor case. The motor case is configured to receive an electric motor that is configured to drivingly rotate a rotor about an axis of rotation. The motor assembly also includes a through-hole defined by the motor case. The motor case configured to be received in an outer housing to cooperatively define a coolant jacket with the outer housing. The coolant jacket includes a fluid flow path defined partly by the through-hole. Methods of manufacturing the motor assembly are also disclosed. | 2022-05-19 |
20220158521 | MOTOR COOLING SYSTEM FOR E-BOOSTING DEVICE - A motor case for an electric motor of an e-boosting device is configured to be received within an outer housing to cooperatively define a coolant jacket. The motor case includes a shell member that at least partly defines a motor cavity for receiving the electric motor. The motor case also includes a dam member that is fixed to the shell member. The dam member projects from the shell member in an outboard direction from an outer surface of the shell member. The shell member and the dam member are configured to be received within the outer housing to define the coolant jacket and with the dam member partitioning the coolant jacket. The dam member is made of a different material from the shell member. | 2022-05-19 |
20220158522 | MOTOR AND DRIVE DEVICE - An inner rotor motor includes a rotor rotatable about a central axis, a stator that includes a stator core that surrounds the rotor from radially outside, and a motor housing that holds the stator. The motor housing includes a tubular portion and a bottom wall. The bottom wall includes a through hole. An inner circumferential surface of the tubular portion includes a first portion that is located at a circumferential position that coincides with the through hole and includes a surface that can come into contact with an outer circumferential surface of the stator core, and a second portion that is located between the first portion and the bottom wall and includes a surface located radially outside relative to the first portion. | 2022-05-19 |
20220158523 | DRIVE DEVICE AND VEHICLE - A gear portion of a drive device is connected to a motor shaft. An oil passage through which oil to cool a motor flows includes a first oil passage, a second oil passage, a third oil passage, and a fourth oil passage. The first oil passage connects a gear accommodation portion and a pump accommodation portion. The second oil passage connects the pump accommodation portion and an oil cooler. The third oil passage connects the oil cooler and the fourth oil passage. The fourth oil passage connects the third oil passage and a motor accommodation portion. Each of the first oil passage, the second oil passage, and the third oil passage is in a first housing portion. The fourth oil passage is in a third housing portion. | 2022-05-19 |
20220158524 | ELECTRIC MOTOR - A first bracket in an electric motor includes an inflow path through which outside air flows inside, and an outflow path through which the air having flowed in flows outside. A stator core included in the electric motor includes a first ventilation path that is coupled with the inflow path and a second ventilation path that is coupled with the outflow path. A second bracket includes a third ventilation path that forms a flow path from the first ventilation path to the second ventilation path positioned symmetrically to the first ventilation path with respect to a plane containing a rotation axis. The air having flowed into the inside of the electric motor through the inflow path passes, in order, through the first ventilation path, the third ventilation path, and the second ventilation path, and flows out to the outside of the electric motor through the outflow path. | 2022-05-19 |
20220158525 | TERMINAL BOX ASSEMBLY - A terminal box assembly for use with an electric motor assembly having a housing includes an annular adaptor fixedly coupled to the housing, a mounting hub extending from the housing and positioned within the adaptor, and an annular terminal box rotatably coupled to the adaptor. The terminal box includes a baseplate having a central opening defined therein and configured to receive the mounting hub therethrough. The terminal box assembly also includes a mounting bracket coupled to the mounting hub and positioned within the terminal box such that the baseplate is positioned between the mounting bracket and the adaptor. At least one fastener is inserted through an opening in the mounting bracket and is configured to selectively engage the base plate to compress the terminal box and the adaptor together. | 2022-05-19 |
20220158526 | PERMANENT MAGNET ALTERNATOR - A permanent magnet alternator is adapted to be connected to an engine and has a stator, a driven plate, and a rotor. The stator is mounted on the engine. The driven plate is connected to an output shaft in front of the engine and covers the stator. Multiple ventilation holes are formed through the driven plate such that air can remove heat from the stator via the ventilation holes. The rotor is fixed in the rotor recess and has a magnet-mounting ring and multiple magnets. The magnets are mounted on the magnet-mounting ring. An annular radial gap is formed between the magnetic mounting ring and a wall of the rotor recess. The magnet-mounting ring is fixed to the driven plate using ring fasteners such that radial position of the magnet-mounting ring can be adjusted. Therefore, the alternator vibrates less, has better heat dissipation and reduces weight. | 2022-05-19 |
20220158527 | ELECTRICAL GENERATION - An electrical generation apparatus is described comprising a magnetic mass ( | 2022-05-19 |
20220158528 | DRIVE DEVICE - A housing of a drive device includes a tubular portion, a side plate portion, a plate portion, and a peripheral wall portion. The tubular portion extends in a first direction and accommodates a motor. The side plate portion has a plate shape intersecting the first direction, and is at one end portion of the tubular portion in the first direction. The plate portion expands from the tubular portion along one of the first direction and a second direction perpendicular to the first direction. The peripheral wall portion surrounds an inverter accommodation portion that accommodates inverter when viewed from a third direction perpendicular to the first direction and the second direction, and is connected to the plate portion. Each of a pump and an oil cooler is at any of one end portion of the peripheral wall portion in the second direction, another end portion of the plate portion in the third direction, and another end portion of the side plate portion in the first direction. | 2022-05-19 |
20220158529 | Single Substrate Resolver/Rectifier for Brushless Wound Field Synchronous Machines - An electrical rotating machine provides an integrated capacitive encoder for control of the stator field and enabling any of reduced size, reduced rotational inertia, and lower cost. The same structure may also support capacitive plates for capacitive power transfer to the rotor. | 2022-05-19 |
20220158530 | MANUFACTURING SYSTEM AND METHOD FOR MANUFACTURING A STATOR WITH BAR CONDUCTORS - A manufacturing system for manufacturing a stator for an electric machine, in particular an electric motor, wherein the stator has a main part and a plurality of bent and/or straight bar conductors. The manufacturing system has the following: a bending machine for bending free ends of the bar conductors, a spreading machine for spreading the free ends of the bar conductors in the radial direction, a welding machine for welding the free ends of at least two bar conductors, and a holding device for the stator. The holding device has at least one first set of fingers for engaging between the bar conductors at a first end face of the main part. The holding device can be secured to the bending machine, the spreading machine, and the welding machine. The manufacturing system facilitates an accelerated and inexpensive manufacture of stators with bar conductors. | 2022-05-19 |
20220158531 | APPARATUS AND METHOD FOR ASSEMBLING A PERMANENT MAGNET MOTOR ROTOR - An apparatus for assembling a permanent magnet motor rotor includes a first-end positioning assembly, a plurality of connectors, and a second-end positioning assembly. The first-end positioning assembly is utilized to fix a first-end rotor core. The second-end positioning assembly is utilized to fix a second-end rotor core. The connectors are utilized to connect and fix the first-end positioning assembly with the second-end positioning assembly. Each first longitudinal axis of each first positioning element of the first end positioning assembly is different from each second longitudinal axis of each second positioning element of the second end positioning assembly. In addition, a method for assembling a permanent magnet motor rotor is also provided. | 2022-05-19 |
20220158532 | METHOD OF MANUFACTURING E-BOOSTING DEVICE - A method of manufacturing a motor case for an electric motor of an e-boosting device in which the motor case is received within an outer housing to cooperatively define a coolant jacket. The method includes forming a shell member. The method also includes overmolding a dam member to the shell member. The dam member projects from an outer surface of the shell member. The overmolding of the dam member includes forming a molded through-hole through the dam member. The dam member and the outer surface are configured to define a fluid boundary for a coolant of the coolant jacket when the motor case is received in the outer housing. The through-hole defines a passage for the coolant in the coolant jacket. | 2022-05-19 |
20220158533 | Concentric Nested Rotor Power Converter and Charge Replenisher - The power converter is a device that aims to provide an improved design for a power generator using multiple independent rotor and stator assemblies. To accomplish this, the device includes a drive motor that runs a generator that has dual magnetic rotors, wherein the whole assembly is mounted on a single stabilizing post that acts as the stator coil for the drive motor. Preferably, the generator comprises two magnetic rotors, one of which has an in-runner configuration, and the other has an out-runner configuration. The two magnetic rotors, arranged in the two different configurations, generate power that is much greater that the input energy provided to run the top drive motor. Thus, the device includes an assembly formed of three magnetic rotors, wherein a small amount of power provided to a driving motor generates a larger magnitude of power, that could be recovered and saved as usable energy. | 2022-05-19 |
20220158534 | ELECTROMAGNETIC BRAKE FOR A MOLD OF A SLAB CONTNUOUS CASTING ASSEMBLY - An electromagnetic brake that variably influences the flow of molten steel in two width regions (B | 2022-05-19 |
20220158535 | Linear Power Supply Circuit and Source Follower Circuit - A linear power supply circuit includes an output transistor provided between an input terminal to which an input voltage is applied and an output terminal to which an output voltage is applied, and a driver configured to drive the output transistor based on the difference between a voltage based on the output voltage and a reference voltage. The driver includes a differential amplifier, a converter, and a first capacitor provided between the output of the differential amplifier and a ground potential. The linear power supply circuit further includes a source follower circuit including a first transistor, and moreover includes a second transistor connected in series with the output transistor and constituting together with the first transistor a current mirror circuit, and a second capacitor connected to the control terminal of the first transistor. | 2022-05-19 |
20220158536 | SOFT-START FOR RESONANT CONVERTERS - An LLC converter includes a switching stage including primary transistors, a resonant stage connected to the switching stage, a transformer including a primary winding connected to the resonant stage and a secondary winding coupled with the primary winding, a rectifying stage connected to the secondary winding of the transformer and providing an output voltage of the LLC converter, and a controller configured and/or programmed to, during start-up, control the output voltage by switching the primary transistors based on a first reference voltage that exponentially increases during start-up and a second reference voltage that is based on a resonant current of the resonant stage. | 2022-05-19 |
20220158537 | ADAPTIVE GAIN AND BANDWIDTH RAMP GENERATOR - In some examples, a circuit includes a resistor network, a filter, a current generator, and a capacitor. The resistor network has a resistor network output and is adapted to be coupled between a switch terminal of a power converter ( | 2022-05-19 |
20220158538 | POWER SOURCE SWITCH CIRCUIT - Disclosed in the present application is a power source switch circuit, comprising a switch circuit, a switch control circuit arranged to control the connection and disconnection of the switch circuit, and a negative feedback circuit arranged to feed back the output voltage of the switch circuit to the switch circuit, an input end of the switch circuit respectively being connected to the switch control circuit and a power source, an output end of the switch circuit respectively being connected to a load circuit and the negative feedback circuit, a control end of the switch circuit respectively being connected to the switch control circuit and the negative feedback circuit, and the switch control circuit also being connected to the negative feedback circuit. | 2022-05-19 |
20220158539 | METHOD AND APPARATUS FOR SENSING THE INPUT VOLTAGE OF A POWER CONVERTER - A method of measuring an AC input voltage at an input of a power converter includes measuring a DC bus voltage corresponding to the power converter. During a positive half-cycle of the AC input voltage, the method includes measuring a first voltage at the input of the power converter. During a negative half-cycle of the AC input voltage, the method includes turning on a high-side switch, measuring a second voltage at the input of the power converter, and computing a third voltage equal to the second voltage minus the DC bus voltage. The method further includes providing the AC input voltage as the first voltage during the positive AC half-cycle and the third voltage during the negative AC half-cycle. | 2022-05-19 |
20220158540 | CUSTOMIZABLE POWER CONVERTER AND CUSTOMIZABLE POWER CONVERSION SYSTEM - A customizable power conversion system ( | 2022-05-19 |
20220158541 | CONTROL APPARATUS FOR ADJUSTING THERMAL STRESS - A method for balancing thermal stresses in semiconductor switching devices may include (a) monitoring temperatures of the semiconductor switching devices to provide a temperature difference between two of the switching devices; and (b) based on the temperature difference, providing a zero-sequence component to be used for adjusting conduction times of each of the semiconductor devices. | 2022-05-19 |
20220158542 | OVERVOLTAGE PROTECTION CIRCUIT, INTEGRATED CIRCUIT AND SWITCHING CONVERTER WITH THE SAME - An overvoltage protection circuit configured to prevent an overvoltage of an output voltage of a switching converter, can include: an output voltage simulation circuit configured to generate an output voltage simulation signal according to circuit parameters of the switching converter, where the output voltage simulation signal changes along with the output voltage; and an overvoltage signal generator configured to activate an overvoltage signal when a feedback voltage is less than a first threshold value and the output voltage simulation signal is greater than a second threshold value. | 2022-05-19 |