27th week of 2022 patent applcation highlights part 58 |
Patent application number | Title | Published |
20220216674 | Tunable DBR Semiconductor Laser - A 1.3 μm-band wavelength-tunable DBR laser in which a wavelength-tunable amount is extended is disclosed. The wavelength-tunable DBR laser according to an embodiment of the present invention is a wavelength-tunable DBR laser in which an active region having an optical gain and a DBR region including a diffraction grating are integrated monolithically and an oscillation wavelength is changed by injecting a current into the DBR region. At a boundary between a p-side clad layer and a core layer in the DBR region, an electron barrier layer being p-type doped and having a bandgap greater than in the p-side clad layer is further included. At a boundary between an n-side clad layer and the core layer in the DBR region, a hole barrier layer being n-type doped and having a bandgap greater than in the n-side clad layer is further included. | 2022-07-07 |
20220216675 | STRUCTURAL PROFILE FOR ELECTRICAL CABINET - The “STRUCTURAL PROFILE FOR ELECTRICAL CABINET” comprises a profile that presents a front sealing area and is positioned in relation thereto at 90°, a side sealing area, an inner fixing wall, an inner fixing side, an inner fixing tab, an outer fixing wall, an outer fixing side and a central barrier. | 2022-07-07 |
20220216676 | FRAME FOR AN EXPLOSION-PROOF HOUSING - A frame for explosion-proof housings. The frame is assembled from support elements. The support elements may be square tubes that are used as support elements, which are provided with elongated rectangular openings, which are closed by flameproof grilles that are welded on or fastened in another manner. The square tubes are joined to form a skeletal frame, which supports the housing structure (support frame). The metal plates may be stainless steel or aluminum, or plastic plates that are fastened to the outside of the frame by bonding and/or welding so that the housing is closed. Venting openings, which can be closed by the flameproof grilles, are provided in suitable locations of the housing, such as at the bottom or at the end faces. According to the present disclosure, thin wall thicknesses of the surface elements, for example plates, as well as large housing dimensions, while ensuring a flameproof enclosure, are made possible by means of the supporting and stabilizing support frame, which also helps to reduce the pressure. | 2022-07-07 |
20220216677 | WALL CAVITY ELECTRICAL CUPBOARD SYSTEM - A wall cavity electrical cupboard system is provided for allowing flush mounting with ready electrical access wiring that is received through holes of the cavity container and can feed along the circumferential channel and into holes of the template openings and can be connected to control means in the electrical mounting module mounted on the support brackets such as fuses, surge protectors, short circuit protection cutoffs etc. Only the front switches or indicators appear through cut outs. The channel and the template openings provide a benefit that the wiring therefore can be selectively moved around and readily connected without needing to line up the holes of the cavity container and the electrical container and with adjustability and safety of placing wiring connection behind the sealing protector plate covering the opening except for what is allowable to show through the cutouts and be mounted on the support brackets. | 2022-07-07 |
20220216678 | PATHWAY ISOLATION FITTING FOR A FIBER TROUGH SYSTEM - A fitting for a fiber trough. The fitting includes a bottom cable support surface and a pair of opposite side walls extending from the bottom cable support surface that define a channel. The fitting is mounted to a fiber trough so that the channel is positioned within another channel defined by the fiber trough, isolating a cable routing path defined by the fitting channel from a cable routing path defined by the trough channel. | 2022-07-07 |
20220216679 | Support System for Electrical Boxes - A mounting system for a first support and a second support for electrical components can include a first mounting interface and a second mounting interface. The first mounting interface can include a first channel, and a first insertion slot extending from inside of the first channel to outside of the first channel. The second mounting interface can include a second channel and a first interface arm, and a second interface arm. The second channel can be configured to nest within the first channel. The first interface arm can extend through the first insertion slot when the second channel is nested within the first channel. The second interface arm can be spaced laterally from the second channel and can engage an outside surface of the first channel when the second channel is nested within the first channel. | 2022-07-07 |
20220216680 | ELECTRICAL CABLE PASSTHROUGH - A cable passthrough includes a first layer having a first edge and an aperture, and a second layer overlapping the first layer. The passthrough is configured to be installed on a roof deck, such that the aperture is configured to align with an aperture formed within the roof deck. The passthrough is configured to receive at least one cable having a first end and a second end. The second end of the cable is capable of extending outwardly from the first edge of the first layer and the first edge of the second layer of the passthrough. The cable is configured to be positioned intermediate the first layer and the second layer. | 2022-07-07 |
20220216681 | Deadend Anti-Rotation Clamp - A guard assembly is provided that includes a guard cover portion to cover a power line assembly. The power line assembly has an insulator. The guard assembly also has a clamp that connects to the insulator. The guard cover portion clips onto the clamp. | 2022-07-07 |
20220216682 | Ground Level Primary Electric Distribution System - A ground level primary electrical distribution system deploys terrain mounted or essentially terrain flush pipes that protect suppress ignition from fires that may occur if components fail within the pipes. The pipes can be deployed in remote and rugged terrain where overhead power lines poses fire risks from wind damage and it is impractical and disruptive to bury the electricity conducting cable or deployed along roadways or field at ground level or essentially flush with the ground to avoid excavation yet avoid the use of overhead power lines that can be subject to damage from high wind. The pipes can follow the terrain between junctions over rigid segments formed by a plurality of end-to-end coupled enclosures, while the conductors are protected within jacketing or flow through flexible insulating and isolating conduits within the more rigid pipes. | 2022-07-07 |
20220216683 | SUPPORTING MEMBER, CONDUIT SUPPORTING DEVICE, AND PROCESSING APPARATUS PROVIDED THEREWITH - There is provided a supporting member having excellent durability and an apparatus including the supporting member. The supporting member includes an elastic member and a plurality of block members formed thereon. The supporting member is deformable from a shape in which end surfaces of the block members are in contact with each other to a shape in which the end surfaces are separated from each other. The elastic member includes a fixed region whose deformation is restricted by being fixed to a bottom surface of the block member, and the supporting member includes a flexure reduction unit for reducing flexure at a position near the fixed region of the elastic member. | 2022-07-07 |
20220216684 | DEVICE FOR DETECTING AN ELECTRIC ARC IN AN ELECTRONIC ASSEMBLY USING A MODIFIED PIERCE OSCILLATOR - The invention relates to a device for detecting an electric arc in an electronic assembly, having: a transmission unit for generating an output signal, and an evaluation unit for receiving the output signal, where the transmission unit and the evaluation unit are connected to one another, where the transmission unit comprises an oscillator unit that generates an output signal having a frequency and/or an amplitude, and where the evaluation unit is configured to detect deviations, caused by an arc, in the output signal from the transmission unit. There is in particular a provision to implement the oscillator unit by way of a modified Pierce oscillator having an inverter, where the quartz is replaced by a detector coil. The invention furthermore relates to an electronic assembly of a motor vehicle having an apparatus to be controlled, in particular having a heating apparatus and having said device, and to a method for detecting an electric arc in an electronic assembly. | 2022-07-07 |
20220216685 | SYSTEMS AND METHODS FOR INPUT OVERCURRENT PROTECTION - A system and method of protecting the input components of a power supply. An input overcurrent protection module is provided, which may be implemented in firmware, which monitors the input current through an input interface of the power supply. When the input current exceeds a threshold current (i.e., a current above the maximum rating of an input component, such as an input cable), the input current protection module determines whether an input overcurrent event is occurring. When it is determined that an input overcurrent event has occurred, the input current protection module disables the output circuitry of the power supply and triggers a few timers, The input overcurrent protection module continues to monitor the input and, if the input current continues to exceed the threshold current, is configured to shut down the power supply. In this way, input components may be protected from overcurrent issues in high-power systems. | 2022-07-07 |
20220216686 | SYSTEMS AND METHODS FOR INPUT OVERCURRENT PROTECTION - A system and method of protecting the input components of a power supply. An input overcurrent protection module is provided, which may be implemented in firmware, which monitors the input current through an input interface of the power supply. When the input current exceeds a threshold current (i.e., a current above the maximum rating of an input component, such as an input cable), the input current protection module determines whether an input overcurrent event is occurring. When it is determined that an input overcurrent event has occurred, the input current protection module disables the output circuitry of the power supply and triggers a few timers. The input overcurrent protection module continues to monitor the input and, if the input current continues to exceed the threshold current, is configured to shut down the power supply. In this way, input components may be protected from overcurrent issues in high-power systems. | 2022-07-07 |
20220216687 | APPARATUS, SYSTEMS AND METHODS FOR PERFORMING GROUND FAULT SELF-TESTING - A circuit interrupter device for selectively connecting a source of AC power from a line side to a load side of the circuit interrupter device includes a controller powered from a source of AC power from a line side. The controller initializes a self-test and determines whether the self-test was successful. The controller outputs a self-test result signal. An electrically-held relay of the device, which is in communication with the controller and is powered from the line side, stays in an OFF state until the self-test result signal indicates the self-test was successful, and enters an ON state if the self-test was successful. When in the OFF state, a load side of the circuit interrupter device is not in electrical communication with the source of AC power, and when in the ON state, the load side is in electrical communication with the source of AC power. | 2022-07-07 |
20220216688 | SELF-CHECK CHIP OF LEAKAGE PROTECTOR - The present disclosure discloses a self-check chip of a leakage protector. The self-check chip includes a power-on reset circuit, used for resetting the self-check chip after being powered-on; a reference voltage module, used for providing a reference voltage for a comparator module; a bias circuit, used for providing direct-current bias for the reference voltage module, the comparator module and a ring oscillator; the comparator module, used for monitoring an open-circuit condition of a trip coil and the change of a thyristor anode voltage and generating a power frequency clock; the ring oscillator, used for providing a clock for a counting module and a digital processing module; the counting module, used for generating a self-check signal, a leakage trigger signal, a PHASE pin detection signal and a reset signal of the counting module and the digital processing module; a trip enabling signal generation module, used for generating a trip enabling signal; and the digital processing module, used for determining whether or not a leakage protector chip, a mutual inductor coil and a thyristor function normally and outputting a termination signal if any of the leakage protector chip, the mutual inductor coil, the thyristor, the trip coil and a PHASE pin breaks down. According to the present disclosure, regular self-checks of the leakage protector can be performed, and during the self-check period, normal operation of a load is not affected. | 2022-07-07 |
20220216689 | SYSTEM AND METHOD FOR CANCELLING PARASITE VOLTAGE OF NEUTRAL ELECTRIC LINE AND LIFTING OF VOLTAGE OF PHASE LINE AT A REMOTE LOAD - A device for cancellation of parasitic voltage on the neutral line and for adjusting phase-to-neutral voltage at the remote end of a long power line comprises an autotransformer and at least two single-port-to-multi-port controllable selectors and a controller. The controller is adapted to enable educated selection of taps of the autotransformer by the controllable single-port-to-multi-port controllable selectors, for setting the phase-to-neutral output voltage to nominal voltage and for canceling the parasitic neutral-to-ground voltage. | 2022-07-07 |
20220216690 | PHOTOVOLTAIC POWER GENERATION SYSTEM AND METHOD - A photovoltaic power generation system includes an inverter, a controller, and at least two direct current branch circuits. The leakage current detection apparatus is configured to: detect a leakage current of the direct current branch circuit on which the leakage current detection apparatus is located and send the leakage current to the controller. The controller is further configured to: when the photovoltaic power generation system runs and a value of a leakage current of the direct current branch circuit exceeds a preset range, determine that an insulation fault occurs on the direct current branch circuit. The system can determine the direct current branch circuit on which the insulation fault occurs in the photovoltaic power generation system, so that measures are taken in time for the direct current branch circuit on which the insulation fault occurs, to eliminate a potential safety hazard. | 2022-07-07 |
20220216691 | METHOD FOR PROTECTING AT LEAST A PART OF A NETWORK SEGMENT OF AN ELECTRICAL POWER DISTRIBUTION NETWORK - A method for protecting at least a part of a network segment of an electrical power distribution network has: detecting voltage dips at the intermediate feeding devices of the line arrangements by the voltage dip detection devices; generating and feeding an electrical signal into the line arrangement by the signal generating device at each intermediate feeding device at which one of the voltage dips is detected, the electrical signals having frequencies different from a network frequency of the network segment; receiving the electrical signals via the line arrangements by the receiving devices of the line protection devices; detecting electrical faults on the line arrangement using the electrical signals received by the triggering device of the respective line protection device; and triggering the disconnecting device of the line protection device of the line arrangement, where an electric fault is detected, by the triggering device so that the line arrangement is electrically disconnected from the further element. | 2022-07-07 |
20220216692 | DIRECT CURRENT BUS CAPACITOR BREAKDOWN PROTECTION CIRCUIT FOR DRIVES - To avoid the catastrophic failure of a drive, protection circuitry is configured to limit current in the DC bus capacitors. The drive may include an isolation circuit and a protection circuit having a comparator. The protection circuit may be configured to compare the voltage measured across a DC bus capacitor with a threshold voltage and activate the isolation circuit when the DC capacitor voltage exceeds the threshold voltage. The drive may also include a low voltage circuit coupled to the isolation circuit, where the low voltage circuit is configured to interrupt the bypass signal to disengage the bypass circuit and activate the precharge circuit when the isolation circuit is activated. Accordingly, the current in the drive and to the DC bus capacitors is limited by the precharge circuit when the voltage of a capacitor in the DC bus exceeds a threshold. | 2022-07-07 |
20220216693 | ELECTROSTATIC DISCHARGE (ESD) PROTECTION CIRCUIT AND CHIP - Embodiments relate to an electrostatic discharge (ESD) protection circuit and a chip. The ESD protection circuit includes: an ESD protection module, arranged inside a protected chip and connected to a protected circuit; and a control module, connected to the ESD protection module and configured to output a low-level signal to the ESD protection module to trigger the ESD protection module to discharge an electrostatic current when an ESD event occurs in the protected chip, and output a high-level signal to the ESD protection module to reduce a static leakage current of the ESD protection module when the ESD event does not occur in the protected chip. | 2022-07-07 |
20220216694 | POWER CONTROL DEVICE AND POWER SUPPLY ALLOCATION METHOD - The power control device performs power supply to each of a plurality of loads (231 to 234) by a time-proportional control, where a maximum load factor and a current value or a power value during on-control are made to correspond to each of the plurality of loads. The power control device 1 is characterized by being provided with an automatic power supply allocation unit 12 that performs: processing of calculating a combination of loads in which a total value of the current value or the power value during the on-control, which are made to correspond to the respective loads, does not exceed a limiter value that specifies an upper limit to the total of the current value or the power value output to the plurality of loads; processing of setting a period in which the respective loads in the combination are simultaneously on-controlled and subtracting the period from the maximum load factor of each of the loads in the combination; and automatic allocation processing of power supply to each load by repeating each of the above processing until all maximum load factors of the respective loads become zero. | 2022-07-07 |
20220216695 | INTERNET OF THINGS (IOT) ENERGY DEVICE FOR RENEWABLE ENERGY-BASED MICRO-GRID INFRASTRUCTURE - A plug-and-play IoT energy device for pro-consumers of renewable energy and a method for managing renewable energy feed to a hybrid electricity grid infrastructure using an aggregator server connected to the IoT energy devices and the grid. The IoT energy devices can include a control unit, an inverter unit, an energy storage unit, and a network controller. The IoT energy devices can connect to the aggregator server through an external network such as Wi-Fi for managing renewable energy feed to the grid. The pro-consumers of the renewable energy are rewarded in digital currency tokens for feeding the grid with the renewable energy. | 2022-07-07 |
20220216696 | SYSTEM AND METHOD FOR SUPPLYING ELECTRIC POWER TO A GRID AND FOR SUPPORTING THE GRID - A system for supplying electric power to a grid and for supporting the grid is provided. The system includes (a) a power generator including a main converter, (b) an energy buffer including an energy storage and a secondary converter, (c) a grid stability monitor-configured to provide a grid stability, and (d) a controller configured to control the main converter and the secondary converter in dependency on the grid stability indication such that when the stability level is at least equal to a predetermined threshold value, the main converter is controlled to operate as a virtual synchronous machine and the secondary converter is controlled to operate to maintain a predetermined amount of energy in the energy storage, and when the stability level is below the predetermined threshold value, the secondary converter is operated to provide a predetermined response in order to support the grid stability. | 2022-07-07 |
20220216697 | INTEGRATED ELECTRICAL PANEL - The system includes one or more busbars couple to an AC line, branch relays each coupled to a busbar and to a respective circuit breaker, and current sensors each corresponding to at least one respective branch relay of the plurality of branch relays. The system also includes a deadfront arranged in front of the plurality of branch relays, and including openings corresponding to the branch relays allowing an electrical terminal of each branch relay to protrude forward through a respective opening. A circuit breaker is engaged with each respective branch relay, on the deadfront to create an array of branch circuit breakers. The combination of relay and circuit breaker allows each branch circuit to be controllable. The relays may include current sensors, such as a shunt, used to determine a branch circuit current and control the relay. Control circuitry manages the relay on-off operation and monitors branch circuit operation. | 2022-07-07 |
20220216698 | RECLOSER CONTROL WITH DISTRIBUTED ENERGY RESOURCE SYNCHRONIZATION - The present disclosure relates to a recloser control that provides autosynchronization of a microgrid to an area electric power system (EPS). For example, a recloser control may include an output connector that is communicatively coupled to a recloser at a point of common coupling (PCC) between the area EPS and the microgrid. The recloser control may include a processor that acquires a first set of measurements indicating electrical characteristics of the area EPS and acquires a second set of measurements indicating electrical characteristics of the microgrid. The recloser control may send synchronization signals to one or more distributed energy resource (DER) controllers to synchronize one or more DERs to the area EPS based on the first set of measurements and the second set of measurements. | 2022-07-07 |
20220216699 | DEVICE COMPRISING AT LEAST ONE RECHARGEABLE BATTERY - The invention relates to a device ( | 2022-07-07 |
20220216700 | METHODS AND SYSTEMS FOR DETECTING FAULTY BEHAVIOR IN A BATTERY - Provided is a method for detecting at least one anomaly in a battery, the method including obtaining, by a processor, charging-discharging data of the battery that has undergone a preset number of charging-discharging cycles, and obtaining, by the processor, a probability of the battery being healthy and at least one probability of the battery having an anomaly of at least one class, based on a correlation between charging-discharging data of a plurality of reference batteries and the charging-discharging data of the battery. | 2022-07-07 |
20220216701 | X-CAPACITOR DISCHARGE METHOD, X-CAPACITOR DISCHARGE CIRCUIT AND SWITCHED-MODE POWER SUPPLY - An X-capacitor discharge method applied to a switched-mode power supply, wherein the switched-mode power supply comprises an X-capacitor, a rectifier circuit and a switching circuit; the X-capacitor discharge method comprises: arranging a first diode, wherein an anode of the first diode is connected to a first end of the X-capacitor, and a cathode of the first diode is configured as a first node; when it is detected that a voltage of the first node is higher than a first voltage threshold, pulling down the first node through a first sampling current, and performing a timing; and if a time for which the voltage of the first node continues to be higher than the first voltage threshold reaches a first threshold time, pulling down the first node through a first pull-down current. An X-capacitor discharge circuit applied to the switched-mode power supply is provided. | 2022-07-07 |
20220216702 | PRE-CHARGE CIRCUIT AND BATTERY SYSTEM HAVING THE SAME - Discussed is a pre-charge circuit and a battery system including the same, and the battery system includes: a battery pack configured to include a plurality of battery cells; a pre-charge relay configured to include a first MOSFET and a second MOSFET connected in series between a first electrode and an output terminal of the battery pack, a third MOSFET connected in parallel with the first MOSFET, and a fourth MOSFET connected in parallel with the second MOSFET; and a BMS configured to generate a gate voltage for controlling on and off of the relay. | 2022-07-07 |
20220216703 | ENERGY TRANSFER CIRCUIT AND POWER STORAGE SYSTEM - Cell selection circuit includes a plurality of first wiring switches, and that selectively connect one of both ends of a selected cell to first wiring and at least one second wiring switch that selectively connects the other end of both the ends of the selected cell to second wiring. Clamp circuit includes clamp switches for forming a closed loop including inductor in a state where cell selection circuit does not select any cell. Controller turns on all of a plurality of switching elements forming a discharge path after the clamp state is ended, and then turns on a part of a plurality of switching elements constituting clamp switch before the state is switched to a next clamp state. | 2022-07-07 |
20220216704 | METHOD FOR CONTROLLING ELECTRICAL CONNECTION OF BATTERY PACKS - A method for controlling electrical connection of a plurality of battery packs of an electric energy storage system of a vehicle to a load during operation of the vehicle, the plurality of battery packs being configured to be selectively connected in parallel to the load. Based on at least an operational mode of the electric energy storage system and on the voltage of each one of the battery packs, and by allowing simultaneous connection of at least two battery packs to the load, proposing a connection sequence for electrically connecting at least a subset of the plurality of battery packs to the load. Prior to connecting at least the subset of battery packs to the load, and based on at least an internal resistance of each one of the battery packs within at least the subset of battery packs, determining whether the proposed connection sequence fulfils a predetermined connection condition. | 2022-07-07 |
20220216705 | METHOD FOR OPERATING A BATTERY SYSTEM - A method for operating a battery system with a plurality of cells, a battery system, a vehicle including such a battery system and a computer program element for operating such a battery system. The method for operating a battery system includes monitoring a state of health of each of the plurality of cells, detecting at least one malfunctioning cell, analysing the state of health of the malfunctioning cell, limiting a discharge power over a time period if the malfunctioning cell has a worst state of health in the battery system or limiting a charge power over a time period if the malfunctioning cell has a best state of health in the battery system, and reducing a minimum state of charge of the battery system over the time period. | 2022-07-07 |
20220216706 | TERMINAL DEVICES AND METHOD FOR HANDLING CHARGING ANOMALY - Terminal devices and a method for handling a charging anomaly are provided. The terminal device is configured to form a charging loop with a power adapter via power wires in a Universal Serial Bus (USB) interface of the terminal device to charge a battery of the terminal device, and the terminal device communicates with the power adapter via data wires in the USB interface. The terminal includes a processor and a non-transitory computer-readable storage medium storing instructions. The instructions are executed by the processor to cause the terminal device to determine charging parameter information of the power adapter, and protect the charging loop in response to determining that an anomaly occurs on the charging loop according to the charging parameter information, where the charging parameter information includes at least one of an output voltage of the power adapter or an output current of the power adapter. | 2022-07-07 |
20220216707 | BATTERY PACK INCLUDING A HIGH- AND LOW-CURRENT DISCHARGE TERMINALS - A battery pack including a housing, a plurality of battery cells located within the housing, a current limiting circuit, a first battery pack terminal, and a second battery pack terminal. The housing includes a battery pack support portion configured to removably connect the battery pack to a device. The first battery pack terminal is configured to electrically connect the battery pack to the device and is connected to at least one battery cell of the plurality of battery cells. The second battery pack terminal is configured to electrically connect the battery pack to the device and is connected to the current limiting circuit. Wherein the battery pack outputs a first discharge current, via the first battery pack terminal, for a primary operation, and outputs a second discharge current, via the second battery pack terminal, for a secondary operation. | 2022-07-07 |
20220216708 | ADAPTIVE POWER CONTROL FOR INDIRECT POWER MODE - According to various aspects, a device is provided. The device is configured to receive a signal, the signal being configured to provide power and data to the device. The device includes: a charge storage element configured to be charged by the power provided by the received signal; and a charging control circuit configured to control a charging of the charge storage element by the power provided by the received signal, based on the data provided by the received signal. | 2022-07-07 |
20220216709 | ELECTRONIC DEVICE AND CHARGING FOOT SEAT THEREOF - An electronic device and charging foot seat thereof are provided, where the electronic device adapted to be charged by a charger pad, and the charging foot seat includes a foot pad configured to be partially embedded into a casing of the electronic device, and a plurality of metal pins disposed through and protruding from the foot pad and configured to be electrically connected to at least one circuit board of the electronic device and configured to contact the charger pad so as to form a charging path over the circuit board and the charger pad for charging the electronic device. | 2022-07-07 |
20220216710 | Modular Charging System and Wall-Mounted Charging Device and Modular Power Devices - The present invention relates a modular charging system including a wall mounted outlet preserving charger and charging additional accessories, such as battery blocks, wireless device chargers, supporting chargers for wearable devices such as watches, and car chargers, each for use independently or in combination with electronic devices. The present invention typically includes a wall charger with one or more electrical outlets on the front face so that the use of the wall outlet is not lost. The wall charger of the present invention is suitable for use in any major country and may be adapted to the outlet configuration and voltage of those countries. | 2022-07-07 |
20220216711 | BATTERY MODULE WITH SERIES CONNECTED CELLS, INTERNAL RELAYS AND INTERNAL BATTERY MANAGEMENT SYSTEM - A battery cell monitoring and conditioning circuit is disclosed to facilitate low cost manufacture of battery modules comprising any number of series connected cells. A battery management system utilizing a plurality of series connected cell monitoring and conditioning circuits is disclosed. Methods are provided for operating the disclosed circuits. | 2022-07-07 |
20220216712 | BATTERY CHARGING CUT-OFF CIRCUIT - In one embodiment, a battery backup unit (BBU) cut-off and recharge circuit includes: a first transistor, a power entry connection connected to a main power supply, where power from the power entry connection flows to application circuits for an electronic device, and the first transistor is positioned between a BBU and the power entry connection, and a microcontroller, where the microcontroller is operative to: detect a loss of power from the main power supply, turn on the first transistor to enable the BBU to discharge through the power entry connection to application circuits, detect a status of charge (SOC) for the BBU, and upon detecting that the SOC is under a predefined threshold, set the BBU cut-off and recharge circuit to a lockdown state by turning off the first transistor. | 2022-07-07 |
20220216713 | HOT PLUGGING TYPE POWER MODULE - A hot plugging type power module including a circuit board, a main battery, an assistant battery, a main control unit, and a detection unit is provided. The main battery is demountably disposed at the circuit board and coupled to the main control unit. The assistant battery is disposed at the circuit board. The main control unit is disposed at the circuit board and selectively and electrically connected to the main battery and the assistant battery. The main control unit detects a capacity of the main battery and the assistant battery. The detection unit is disposed at the circuit board and coupled to the main control unit and the main battery and is adapted for detecting a relative position between the main battery and the circuit board. | 2022-07-07 |
20220216714 | MOTOR CONTROL UNIT, ELECTRIC DRIVE SYSTEM, POWERTRAIN, AND ELECTRIC VEHICLE - This application provides a motor control unit, an electric drive system, a powertrain. A first terminal of a power transmission interface of the motor control unit is connected to a first input terminal of an inverter circuit by using a first direct current switch, and a second terminal of the power transmission interface is connected to a first terminal of a switch circuit. The switch circuit includes three switch branches, where first terminals of the three switch branches are connected to the first terminal of the switch circuit, second terminals of the three switch branches are respectively connected to one-phase output terminals of the inverter circuit, and each switch branch includes a controllable switch. The input terminal of the inverter circuit is connected to a power battery pack by using a second direct current switch. Using the motor control unit reduces a volume and hardware costs, and improves applicability. | 2022-07-07 |
20220216715 | DEVICE AND METHOD FOR PREVENTING APPLICATION OF OVERCURRENT - Disclosed is an overcurrent application prevention device including a current sensor for measuring a charging current applied from a charging unit to a battery, a bypass unit, a 3-terminal switch having a first end connected to charging unit and a second end that is switched to be connected to the battery or the bypass unit, a comparator for receiving the measured charging current and controlling the 3-terminal switch on the basis of a result of a comparison between the received charging current and a preset value. | 2022-07-07 |
20220216716 | PLUG-IN TYPE ENERGY STORAGE SYSTEM - A plug-in type energy storage system is proposed. The system includes: a plurality of battery racks configured to store power; and a panel configured to control charging or discharging of the plurality of battery racks, where each battery rack includes: a plurality of battery modules configured to store the power; a control module connected to each battery module and the panel to control the charging or discharging of each battery module according to a control signal received from the panel; a conversion module connected to the control module to convert waveforms of the power into direct current or alternating current according to a control signal received from the control module; and a casing configured to accommodate each battery module, the conversion module, and the control module. In addition, the plurality of battery modules and the battery power management unit integrally constitute each battery rack. | 2022-07-07 |
20220216717 | CHARGING SYSTEM - A charging system includes an AC power source, a plurality of rectifier circuits, a plurality of positive electrode side current cutoff circuits, and a control device. The plurality of rectifier circuits are connected between the AC power source and each of a plurality of battery modules. Each rectifier circuit supplies DC power obtained by rectifying AC power supplied from the AC power source to each battery module. The plurality of positive electrode side current cutoff circuits are connected between each of the plurality of battery modules and each of the plurality of rectifier circuits. Each positive electrode side current cutoff circuit automatically switches between conduction and cutoff of a current between each battery module and each rectifier circuit according to AC power input to each rectifier circuit. | 2022-07-07 |
20220216718 | CONTROL AND DIAGNOSIS OF CHARGING SYSTEM FOR A VEHICLE - A controller, during charging of a traction battery by a remote charger, and responsive to a difference between a requested charge current and a current supplied by the remote charger exceeding a first threshold value for a predefined period of time, increases a requested charge voltage to a limit value. The controller further, responsive to a voltage across a capacitor and a voltage across the traction battery being same, and a voltage of the remote charger and the limit value being same, commands the remote charger to discontinue the charging. | 2022-07-07 |
20220216719 | BATTERY MODULE AND POWER ARRANGEMENT METHOD - The present invention discloses a battery module and a power arrangement method. The battery module includes a battery unit, an energy storage element, a switch, a functional circuit and a control unit. The energy storage element is coupled to the battery unit. The switch is coupled to the energy storage element. The functional circuit is respectively coupled to the battery unit and the energy storage element. The control unit is respectively coupled to the functional circuit and the switch, configured to control the functional circuit to cause the energy storage element to be coupled to the battery unit so that the battery unit charges the energy storage unit, or configured to control the functional circuit to cause the energy storage element to be decoupled with the battery unit so that a discharge path is formed. | 2022-07-07 |
20220216720 | BATTERY SYSTEM - A battery system comprising a controller and a solid-state lithium secondary battery, wherein, the controller estimates an end part cathode potential Ve | 2022-07-07 |
20220216721 | CONTROL SYSTEM AND METHOD FOR IMPROVING BATTERY OUTPUT ENERGY EFFICIENCY, AND ELECTRONIC DEVICE - A control system and method for improving battery output energy efficiency, and an electronic device are provided. The control system includes: a battery, a charging chip, a voltage conversion module, and a power supply management module. The battery is configured to send, when the control system is not connected to an external power supply, battery voltage to the voltage conversion module by means of the charging chip. The voltage conversion module is configured to receive the battery voltage, determine an operating mode on the basis of the battery voltage, acquire an output voltage corresponding to the operating mode, and output the output voltage to the power supply management module. The power supply management module is configured to convert and output at least one system voltage on the basis of the output voltage, and the at least one system voltage is configured to supply power to a powered system. | 2022-07-07 |
20220216722 | CHARGING SYSTEM - A charging system includes an AC power source, a plurality of circuit modules, and a control device. The plurality of circuit modules are connected between the AC power source and each of a plurality of battery modules. Each of the circuit modules supplies DC power obtained by rectifying AC power supplied from the AC power source to each of the battery modules. Each of the circuit modules includes two second capacitors in an A-phase electric line and a B-phase electric line, which disconnect a connection portion (for example, a wire) connecting the plurality of circuit modules from each of the battery modules in a direct current manner. | 2022-07-07 |
20220216723 | CHARGING SYSTEM AND ELECTRIC VEHICLE - This application provides a charging system and an electric vehicle. The charging system includes a motor control unit (MCU) and a first inductor. A first bridge arm in the MCU and the first inductor constitute a voltage conversion circuit. When a power supply voltage is less than a minimum charging voltage of a power battery, the MCU may perform boost conversion on the power supply voltage by using the voltage conversion circuit, and output the power supply voltage obtained after boost conversion to the power battery as a first output voltage, where the first output voltage is not less than the minimum charging voltage. In this application, space occupied by the charging system and costs of the charging system can be reduced while the charging system is used to perform boost conversion on the power supply voltage. | 2022-07-07 |
20220216724 | LAMINATED BUS BAR, POWER CONVERTER, POWER CONVERSION DEVICE, AND UNINTERRUPTIBLE POWER SUPPLY DEVICE - A first AC terminal, a first positive DC terminal, and a first negative DC terminal protrude from a first end portion in the length direction of a flat plate portion of a laminated bus bar. The first AC terminal, the first positive DC terminal, and the first negative DC terminal are arranged in alignment in this order from a third end portion toward a fourth end portion in a width direction of the flat plate portion. A second AC terminal, a second positive DC terminal, and a second negative DC terminal protrude from a second end portion of the flat plate portion in the length direction. The second AC terminal, the second negative DC terminal, and the second positive DC terminal are arranged in alignment in this order from the third end portion toward the fourth end portion. | 2022-07-07 |
20220216725 | METHOD OF IDENTIFYING WHEN TO INITIATE CONTROL SEQUENCES - A method and system are provided for transferring a load between a primary power source and a secondary power source. In accordance with the disclosure, a controller senses, via a sensor, an electrical signal providing power from the primary power source to the load. The controller also detects a non-conforming power event by determining that a parameter of the electrical signal is either more or less than a first threshold value. Responsive to the detection of the non-conforming power event, the controller determines a quantity of non-conforming power events that occur during a first time interval. The controller further can compares the determined quantity of non-conforming power events to a second threshold value. Responsive to the determined quantity of non-conforming power events being either greater or lesser than the second threshold value, the controller initiates a control signal, such as a control signal to initiate a load transfer. | 2022-07-07 |
20220216726 | GRID ANCILLARY SERVICE WITH UNINTERRUPTIBLE POWER SUPPLY - Methods of operating a grid ancillary service with an uninterruptible power supply (GAUPS) device are provided. A method of operating a GAUPS device includes controlling a switch of the GAUPS device in response to a signal that is generated by the switch, to control efficiency of an inverter and quality of power supplied to a load via the inverter. The switch is coupled between the inverter and the load. Related systems and devices are also provided. | 2022-07-07 |
20220216727 | ELECTRICAL DOCKING STATION - Systems and apparatuses for access-controlled electrical docking stations that automatically switch power to an electrical system between generator power and utility power are disclosed herein. An illustrative electrical docking station can include a cabinet that houses a circuit breaker, a generator interface to connect generators to the electrical docking station, an Automatic Transfer Switch, and a power supply. The power supply can supply converted DC power and protection to different accessories for the electrical docking station including an alarm, a supervisory control and data acquisition (SCADA), and a locking mechanism. The locking mechanism can be configured to lock a door to the generator connectors in a closed position when the ATS is energized by a generator and to not lock the door when the door is in an open position. In some such circumstances, the alarm can shine green or provide an audible alarm and shine red respectively. | 2022-07-07 |
20220216728 | MULTILAYER CONTROL FOR MANAGING POWER FLOW - A system includes control circuitry for identifying, during operation in a first operating mode wherein electrical power is limited by protection devices, an indicator to enter a second operating mode. The indicator corresponds to power consumption of the electrical system exceeding a power capacity of the electrical system, nearing, achieving, or exceeding a limit. In response to the indicator, the system operates in the second operating mode by retrieving reference information comprising load preferences and limits, and managing one or more loads, sources, or both to modify power consumption, power capacity, or both based on the indicator and based on the reference information. The system communicates with loads or sources, and manages branch circuit using controllable elements to prevent power consumption from exceeding power capacity. The system modifies setpoints, turns devices on or off, schedules device operation or otherwise manages the electrical system based on predetermined preferences. | 2022-07-07 |
20220216729 | CONTACTLESS TRANSMISSION LINE FOR WIRELESS POWER TRANSFER - A system for wireless power transfer (WPT) is described. The WPT system may be used for charging of electric vehicles or other mobile platforms. The WPT system includes a gap waveguide base including a conductive waveguiding structure and a bandgap structure along at least the lateral sides of the waveguiding structure. The WPT system also includes a charging plate separate from the gap waveguide base. The charging plate includes a conductive plate having a receiving structure for receiving the electromagnetic field from the gap waveguide base through an air gap. The disclosed WPT system enables propagation of an electromagnetic field through the air gap, including electromagnetic fields in the very high frequency (VHF) band. | 2022-07-07 |
20220216730 | WIRELESS CHARGING HEARING AID - A wireless charging hearing aid is disclosed, comprising a housing, an inner housing, a power management module, a circuit board and a control button. An electromagnetic induction technology is utilized in the disclosed to obtain an inductive current for charging a built-in battery. Elements within the housing do not need to be in contact with an external charging joint, the sealing of the housing is better, thereby achieving complete waterproofing and dustproofing, and improving the adaptability when using the disclosed. Besides, shapes and the number of layers of a receiving coil are flexibly designed according to requirements, and a magnetic conductive sheet is used to shield an inductive magnetic field to prevent the inductive magnetic field negatively influencing other elements. The elements within the housing can be arranged arbitrarily, which improves the flexibility in designing an overall appearance, and facilitates to incorporate artistic designs while reduces the design difficulties. | 2022-07-07 |
20220216731 | CHARGING CASES FOR PORTABLE COMPUTING DEVICES - Charging cases for portable computing devices are disclosed. In one embodiment, a charging case for a portable computing device may include a housing that is configured to be removably attached to a first portion of the portable computing device. The first portion may include a rechargeable battery, a first wireless charging interface, and a first connector configured to interface with a power port interface of the portable computing device. | 2022-07-07 |
20220216732 | DOOR OPERATOR SYSTEM - A door operator system ( | 2022-07-07 |
20220216733 | Method and System for Contactless Power Transfer in a Linear Drive System - A system and method for providing power to independent movers traveling along a track in a motion control system without requiring a fixed connection between the mover and a power source external to the mover. In one embodiment, a sliding transformer transfers power between the track and each mover. In another embodiment, an optical transmitter transfers power between the track and an optical receiver mounted on each mover. In yet another embodiment, a generator includes a drive wheel engaging the track as each mover travels along the track. A power converter on the mover receives the power generated on and/or transmitted to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover. | 2022-07-07 |
20220216734 | WIRELESS CHARGING SYSTEM - This application discloses a wireless charging system, and pertains to the field of wireless charging technologies. The system includes: a transmit apparatus and a receive apparatus; the transmit apparatus includes an inverter circuit and two transmit electrodes, an input terminal of the inverter circuit is connected to a direct-current power supply, and two output terminals of the inverter circuit are connected to the two transmit electrodes respectively; the receive apparatus includes two receive electrodes and a rectifier circuit, two input terminals of the rectifier circuit are connected to the two receive electrodes respectively, and an output terminal of the rectifier circuit is connected to a load. | 2022-07-07 |
20220216735 | FAR-FIELD WIRELESS CHARGING OF MEDICAL DEVICES - Techniques are described for wirelessly charging a wearable or implantable medical device, such as a continuous glucose monitor (CGM) and/or an insulin pump. In some examples, the medical device includes: a rechargeable battery; a receiving antenna configured to wirelessly receive electrical power from a transmission antenna; charging circuitry configured to recharge the rechargeable battery using the electrical power received by the receiving antenna; and one or more processors configured to: determine a relative proximity of the medical device to a body of a patient; determine, based at least in part on the relative proximity, a tuning for the receiving antenna; and cause the receiving antenna to be tuned according to the determined tuning. | 2022-07-07 |
20220216736 | POWER TRANSFER DEVICE - A power transfer device includes a power transfer coil that transfers power to another device in a non-contact manner, a power transmission and reception circuit that supplies power to the power transfer coil or outputs power received by the power transfer coil to a load circuit, and a protection coil disposed between the power transfer coil and the power transmission and reception circuit to prevent a magnetic flux generated by the power transfer coil from reaching the power transmission and reception circuit. The protection coil includes an air-core coil formed of a wiring pattern of a conductor provided on a board disposed between the power transfer coil and the power transmission and reception circuit, and at least one core coil connected in series to the air-core coil. | 2022-07-07 |
20220216737 | METHOD FOR CONTROLLING WIRELESS POWER LINK, AND DEVICE THEREFOR - The present invention relates to wireless power transmission. A method for controlling a wireless power transmission link for a wireless power transmission device according to an embodiment of the present invention may comprise: a step for performing a first information acquisition procedure for a wireless power reception device; a first determination step for determining whether the distance between the wireless power transmission device and the wireless power reception device is normal on the basis of the information acquired through the first information acquisition procedure; and a step for performing a disconnection procedure for the wireless power transmission link according to the determination result of the first determination step. | 2022-07-07 |
20220216738 | WIRELESS CHARGING DEVICE, TO-BE-CHARGED DEVICE, AND CHARGING - A to-be-charged device includes at least two receiving branches, a charging control module, and a battery. Each receiving branch is separately connected to the charging control module and the battery. Each receiving branch is respectively coupled to a transmitting branch in a wireless charging apparatus, an electromagnetic signal transmitted by the coupled transmitting branch is received, and the received electromagnetic signal is converted into charging voltage and charging current of the battery of said device. The charging control module generates, according to at least one of the charging voltage of the battery, the charging current of the battery, the voltage of each receiving branch, and the current of each receiving branch, feedback information instructing the wireless charging apparatus to adjust the transmitted power of the transmitting branch, and feeds back to the wireless charging apparatus. | 2022-07-07 |
20220216739 | POWER FEED SYSTEM - In a power supply system for wirelessly supplying power between a power transmission device and a power reception device, the power transmission device includes a power transmission unit for generating supply power and transmitting the generated supply power to the power reception device; a power transmission side magnet for alignment with the power reception device; a magnetic sensor for detecting a magnetic force from a power reception side magnet provided in the power reception device; and a control unit for controlling the power transmission device. The power reception device includes: a power reception unit for receiving the supply power supplied from the power transmission device; the power reception side magnet for alignment with the power transmission device; and a control unit for controlling the power reception device. When the power transmission device and the power reception device are in close contact with each other, power is wirelessly transmitted from the power transmission unit to the power reception unit in a state in which the power transmission unit and the power reception unit are aligned by an attractive magnetic force between the power transmission side magnet and the power reception side magnet. When the power transmission device and the power reception device are apart from each other, the control unit of the power transmission device starts or stops power transmission from the power transmission unit according to a magnetic force detection signal from the power reception side magnet detected by the magnetic sensor. | 2022-07-07 |
20220216740 | ENERGY DISTRIBUTION APPARATUS - Disclosed is a power supply apparatus for supplying at least one device spaced apart from the power supply with electrical power, the power supply apparatus being connectable to a power grid, the power supply apparatus including at least one position-sensing apparatus for sensing a geometric position of the at least one device. The power supply apparatus can be directed at the at least one device in such a way that power can be wirelessly transmitted by the power supply apparatus to the device and/or the device can be supplied with electrical power by the power supply device. | 2022-07-07 |
20220216741 | ROTOR FOR EDDY CURRENT DECELERATION DEVICE - A cylindrical part of a rotor for an eddy current deceleration device of the present embodiment has a chemical composition consisting of, by mass %, C: 0.05 to 0.15%, Si: 0.10 to 0.40%, Mn: 0.50 to 1.00%, P: 0.030% or less, S: 0.030% or less, Mo: 0.20 to 1.00%, Nb: 0.020 to 0.060%, V: 0.040 to 0.080%, sol. Al: 0.030 to 0.100%, B: 0.0005 to 0.0050%, N: 0.003 to 0.010%, Cu: 0 to 0.20%, Ni: 0 to 0.20%, Cr: 0 to 0.10%, and the balance: Fe and impurities, and in which the total area fraction of martensite and bainite in a microstructure is more than 95.0%, and the number density of carbides having an equivalent circular diameter of 100 to 500 nm is 0.35 to 0.75 particles/μm | 2022-07-07 |
20220216742 | STATOR AND MOTOR - A stator includes a stator core having a plurality of split cores arranged in an annular shape. Each of the split cores includes a yoke portion and a tooth portion protruding from the yoke portion in a radial direction of the stator core. The yoke portions of adjoining split cores are connected to each other at joint surfaces of adjoining split cores. The joint surfaces are provided with a fitting portion that extends along an axial direction of the stator core from an upper end surface to a lower end surface of the stator core. The fitting portion is provided with a crimped portion. | 2022-07-07 |
20220216743 | IN SLOT COOLING ENHANCEMENT FOR COATED STATOR - A stator includes a core and an over-molded midsection arranged to define a plurality of slots, and a plurality of conductors wound within the slots. Portions of the midsection immediately adjacent to the slots define a plurality of protrusions disposed on opposite long faces of at least some of the slots. The protrusions extend into the at least some of the slots and between some of the conductors to establish a gap between the some of the conductors and to direct coolant between the some of the conductors. | 2022-07-07 |
20220216744 | STATOR AND MOTOR INCLUDING SAME - An embodiment provides a stator comprising a stator core having a plurality of teeth and coils wound around the teeth, wherein the tooth includes a body around which the coil is wound and a shoe connected to the body, the shoe includes a plurality of grooves and a curvature center of the inner peripheral surface of the shoe is the same as the center of the stator core. | 2022-07-07 |
20220216745 | MOTOR AND ASSEMBLY STRUCTURE THEREOF - A motor assembly structure and a motor are provided. The motor assembly structure has a stator, a first end cap, a second end cap and a fastener for fastening the stator, the first end cap and the second end cap. The stator has a middle iron core, a first side iron core and a second side iron core. The inner edge of the first end cap is provided with a first inner arc surface, the outer edge of the first side iron core is provided with a first outer arc surface in interference fit with the first inner arc surface. The inner edge of the second end cap is provided with a second inner arc surface, and the outer edge of the second side iron core is provided with a second outer arc surface in clearance fit with the second inner arc surface. | 2022-07-07 |
20220216746 | ELECTRIC TOOL - An electric tool includes an AC motor (an electric motor) and a control unit. The AC motor includes a permanent magnet and a coil. The control unit is configured to perform control on operation of the AC motor. The control performed by the control unit includes field weakening control. In the field weakening control, the control unit causes a flux-weakening current to flow through the coil. The flux-weakening current is a current that generates, in the coil, a magnetic flux that weakens a magnetic flux of the permanent magnet. | 2022-07-07 |
20220216747 | DIRECT STARTING SYNCHRONOUS RELUCTANCE MOTOR ROTOR AND MOTOR - The present disclosure provides a direct starting synchronous reluctance motor rotor, and a motor. The direct starting synchronous reluctance motor rotor comprises: a rotor core provided with a plurality of slit grooves, two filling grooves are respectively disposed at two ends of each of the slit grooves to form a magnetic barrier layer, a first end of the filling groove being disposed adjacent to the slit groove, a second end of the filling groove being disposed to be extended outwards an outside of the rotor core, a beveled edge is disposed on the second end of at least one of the filling grooves away from a d-axis of the rotor core, so that a d-axis flux of the rotor core will not suddenly change when entering a stator along a channel formed at the beveled edge. With this arrangement, a reluctance torque ripple of the motor can be reduced, thereby reducing generated vibration noise, increasing a d-axis inductance and a flux difference between the d-axis and a q-axis, generating a greater reluctance torque, increasing an output torque of the motor with the rotor, and improving a motor efficiency. | 2022-07-07 |
20220216748 | DEVICE FOR MANUFACTURING ROTOR CORE, METHOD FOR MANUFACTURING ROTOR CORE, AND ROTOR STRUCTURE - Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped. | 2022-07-07 |
20220216749 | DEVICE FOR MANUFACTURING ROTOR CORE, METHOD FOR MANUFACTURING ROTOR CORE, AND ROTOR STRUCTURE - Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped. | 2022-07-07 |
20220216750 | DEVICE FOR MANUFACTURING ROTOR CORE, METHOD FOR MANUFACTURING ROTOR CORE, AND ROTOR STRUCTURE - Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped. | 2022-07-07 |
20220216751 | ROTOR FOR ROTATING ELECTRIC MACHINE - A rotor to be provided in a rotating electric machine. The rotor includes a rotor core provided with a pair of flux barriers and a void portion. A pair of magnets are provided in the pair of flux barriers. Each of the pair of magnets has a rectangular shape in its cross section. The void portion is located on an inner peripheral side than an imaginary line connecting between inner-peripheral-side corners of the pair of magnets. A first width is defined by a shortest distance between the pair of flux barriers. A second width is defined by a distance from the void portion to an intersection point at which the imaginary line intersects with a shortest line segment whose length corresponds to a shortest distance between one of the pair of magnets and the void portion. The second width is smaller than the first width. | 2022-07-07 |
20220216752 | MAGNETIZATION RING, MAGNETIZATION METHOD, MAGNETIZATION APPARATUS, ROTOR, MOTOR, COMPRESSOR, AND AIR CONDITIONER - A magnetization ring is disposed between a rotor and a core portion surrounding the rotor, the rotor having permanent magnets and inter-pole portions which are arranged in a circumferential direction about an axis. The magnetization ring has a magnetic portion facing the center of the permanent magnet in the circumferential direction, and a nonmagnetic portion facing the inter-pole portion of the rotor. | 2022-07-07 |
20220216753 | ROTOR FOR ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE - An object of the present invention is to firmly fix a magnet at a predetermined position of a magnet insertion portion. A rotor for a rotary electric machine includes: a rotary shaft; at least one magnet; a rotor core having at least one magnet housing inside which the at least one magnet is attached; and at least one fixing member disposed inside the at least one magnet housing to fix the at least one magnet, wherein the at least one fixing member includes: a first fixing portion that is in contact with a side surface of the at least one magnet in a radial direction of the rotary shaft or in contact with a side surface of the at least one magnet in a circumferential direction of the rotary shaft; and a second fixing portion that is in contact with an end face of the at least one magnet in an axial direction of the rotary shaft. The first fixing portion and the second fixing portion are connected to each other at an angle smaller than 90 degrees, and the at least one fixing member is inserted, together with the at least one magnet, in the at least one magnet housing and presses the at least one magnet against an inner wall of the at least one magnet housing due to an increase in the angle between the first fixing portion and the second fixing portion. | 2022-07-07 |
20220216754 | Electric machine with a fixation of multiple rotor laminations to a rotor shaft, said fixation allowing an axial tolerance compensation - An electric machine for driving a motor vehicle includes a rotor having a central rotor shaft and a laminated core which is made of multiple rotor laminations and is fixed to the rotor shaft. The laminated core is contacted on at least one axial side by an end lamination which produces a tolerance compensation, said end lamination being supported by a securing ring pressed onto the rotor shaft. | 2022-07-07 |
20220216755 | ROTOR OF ROTARY ELECTRIC MACHINE - A rotary electric machine rotor includes a rotor core having magnet holes formed therein, a permanent magnet inserted in each of the magnet holes, and an end plate arranged at an axial end face of the rotor core and having one or more fixing holes via which the permanent magnet is exposed to the outside in an axial direction. One or more fixing pieces extend from the periphery of the fixing hole. The fixing piece has an inclined part that extends in a direction approaching the center of the permanent magnet when advancing to the outside in the axial direction, and is in contact with the permanent magnet, thereby pressing the permanent magnet in both the axial direction and a lateral direction orthogonal to the axial direction. | 2022-07-07 |
20220216756 | SEGMENTED BAR CONDUCTORS FOR ELECTRIC MACHINES - Presented are segmented hairpin bar conductors for electric machines, methods for making/using such segmented bar conductors, electromagnetic motors using such segmented bar conductors, and vehicles equipped with an induction motor generator unit using segmented hairpin bar conductors. An electric machine includes a stator that defines multiple circumferentially spaced, radially elongated stator slots. A rotor is located adjacent and movable with respect to the stator. One or more permanent magnets are mounted to the rotor, and one or more U-shaped hairpin windings are mounted to the stator in juxtaposed spaced relation to the magnet(s). Each hairpin winding is formed from an array of collimated, electrically conductive wires that are bundled together into a unitary bar conductor. The segmented hairpin winding has a pair of hairpin legs, each of which adjoins and projects from a respective end of a hairpin crown. Each hairpin leg inserts into a respective one the stator slots. | 2022-07-07 |
20220216757 | STATOR, ELECTRIC MOTOR, COMPRESSOR, AIR CONDITIONER, METHOD FOR FABRICATING STATOR, AND MAGNETIZATION METHOD - A stator includes: a stator core; three-phase coils attached to the stator core by distributed winding; and a lacing material. A first phase coil is a coil through which a largest current flows among the three-phase coils when a current flows through the three-phase coils from a source of electric power for magnetizing a magnetic material. The first phase coil has a first region, a second region, and a third region. The lacing material is wound on the first region more than at least one of the second region or the third region. | 2022-07-07 |
20220216758 | STATOR FOR AN ELECTRIC MACHINE WITH A STRIP-LIKE WINDING UNIT FOR A STATOR WINDING, AND METHOD FOR PRODUCING SAME - A stator for an electric machine, comprising a stator core and a stator winding, wherein the stator core has a plurality of slots, which are spaced apart in a circumferential direction and have a depth running in the radial direction, and allows the arrangement of slot sections of the stator winding in a plurality of radially spaced-apart radial positions, wherein the stator has a strip-like winding unit comprising a first and a second winding conductor, wherein the two winding conductors run in a first and a second layer of the winding unit and each comprises: | 2022-07-07 |
20220216759 | SIDE-BY-SIDE PHASE WINDING, STATOR AND MOTOR - Disclosed are a side-by-side phase winding, a stator and a motor. The side-by-side phase winding comprises two coil ring groups each consisting of Q coil rings, each coil ring being formed by connecting in series P hairpin conductor groups uniformly distributed in the circumferential direction; each hairpin conductor group comprises two hairpin conductors which are arranged in a staggered manner in the circumferential direction of the stator, each hairpin conductor comprises a hairpin main body which is integrally bent into a U-shape, the hairpin main body comprises two leg parts, a head part and support feet, and adjacent leg parts on the two hairpin conductors arranged in a staggered manner are located in two adjacent slots; and the Q coil rings in each coil ring group are arranged in Q circumferentially continuous adjacent slots of the stator. | 2022-07-07 |
20220216760 | ARMATURE AND MANUFACTURING METHOD THEREOF - An armature is provided with an armature winding, an armature core and a first and second insulation sheets. The first insulation sheet is arranged to sequentially pass through a field magnet side of a first phase conductor, a portion between the first phase conductor and a second phase conductor, an armature core side of the second phase conductor and a third phase conductor and a portion between the third phase conductor and the first phase conductor. The second insulation sheet is arranged to sequentially pass through a portion opposite to the first phase conductor with respect to the first insulation sheet, a field magnet side of the second conductor, a portion between the second phase conductor and the third phase conductor, a portion between the third phase conductor and the first insulation sheet and a portion between the third phase conductor and the first insulation sheet. | 2022-07-07 |
20220216761 | INTEGRATED WEDGE COOLING DISTRIBUTION PLATE AND END TURN SUPPORT - A rotor assembly of a generator includes a rotor core including a plurality of core poles defining a plurality of core slots therebetween. The core poles extend from a first axial end of the rotor core to a second axial end of the rotor core. A rotor winding is installed to the rotor core and has a plurality of core segments located in the plurality of core slots, and a plurality of end turns connecting the plurality of core segments. An end plate is located at at least one of the first axial end or the second axial end and includes a plate portion and a plurality of wedge ends extending from the plate portion. Each wedge end is located at a corresponding core slot. The end plate is supportive of the plurality of end turns of the rotor winding. | 2022-07-07 |
20220216762 | HOLLOW SHAFT MOTOR - The hollow shaft motor according to the present invention comprises: a motor housing | 2022-07-07 |
20220216763 | Rotating Machine - A rotating machine comprises a housing, a rotating shaft and an oil seal structure. The housing has an opening. The rotating shaft extends from the inside of the housing through the opening to the outside of the housing. The oil seal structure is set at the opening. The oil seal structure includes a body, an annular groove and an annular elastic structure. The body has a through hole to accommodate the rotating shaft. The annular groove is located on the surface of the body facing the outside of the housing and surrounds the through hole. The annular elastic structure is arranged in the annular groove to apply force to the rotating shaft. Thereby, the connection between the oil seal structure and the rotating shaft can be strengthened to ensure the sealing effect and prevent external moisture from entering the housing. | 2022-07-07 |
20220216764 | BAFFLE WITH INTEGRATED COOLING FOR HYBRID DRIVE - A hybrid drive assembly is provided having a hybrid drive housing with an electric motor and a disconnect clutch therein. A transmission is connected to the hybrid drive housing and a torque converter is provided between the electric motor and the transmission. A baffle extends radially between the torque converter and the hybrid drive housing. The baffle includes a ring-shaped body that is affixed to the hybrid drive housing and extends completely around a transmission side periphery of the hybrid drive housing. A fluid pathway is located on or in the baffle, and orifices extend from the fluid pathway toward the electric motor. A fluid inlet port is connected to the fluid pathway, and a fluid connection is provided from a pressurized fluid source to the fluid inlet port. This allows fluid circulated by a pump within the transmission, to be sprayed on the electric motor for cooling. | 2022-07-07 |
20220216765 | DRIVE UNIT FOR ELECTRIC VEHICLE - A motor generator including a rotor and a motor output shaft that rotates integrally with the rotor, a connecting shaft capable of rotating coaxially with the motor output shaft, a hydraulic clutch interposed between the rotor and the connecting shaft, the hydraulic clutch switching transmission and non-transmission of torque between the rotor and the connecting shaft, and an auxiliary to be driven by rotation of the input shaft are provided. The input shaft of the auxiliary is mechanically linked with the connecting shaft. | 2022-07-07 |
20220216766 | ELECTRIC MOTOR - An electric motor is described comprising a rotor, a shaft integral with the rotor to transfer torque to a load, a stator coaxially crossed by the shaft. To improve the thermal resistance, a plain bearing placed between the stator and the shaft, and a lubricating fluid circuit configured to transport lubricating fluid and wet a contact surface between the stator and the shaft with the fluid. | 2022-07-07 |
20220216767 | Vacuum Pump and Magnetic-Bearing-Integrated Motor - A vacuum pump ( | 2022-07-07 |
20220216768 | ELECTRICITY PRODUCTION SYSTEM AND METHOD - Embodiments presented provide for a high efficiency electrical production system that utilizes a pump and windmill system to produce electrical energy through hydro power and wind action. | 2022-07-07 |
20220216769 | POWER DENSE MOTOR WITH THERMAL MANAGEMENT CAPABILITY - An electric machine has a housing which has an interior space and an interior wall extending about the interior space, and a stator assembly disposed within the interior space and attached to the interior wall. The electric machine includes a rotor within the interior space and located radially inward from the stator. The rotor and stator define a gap there between and cooperate to produce flux. The rotor comprises a hollow cylindrical member having an interior region, an interior wall extending about the interior region and an exterior surface. The rotor includes magnets attached to the exterior surface and a rotor shaft support structure disposed within the interior region of the hollow cylindrical member and attached to the interior wall of the hollow cylindrical member. A rotor shaft is attached to the rotor shaft support structure. The electric machine further comprises bearings to locate and support the rotor shaft relative to the housing. | 2022-07-07 |
20220216770 | RELUCTANCE SENSOR - An electric machine includes at least a printed circuit board and a magnetically permeable element. The printed circuit board includes a reluctance coil configured to generate a voltage in presence of a magnetic flux. The magnetically permeable element has a first end positioned adjacent to a rotor of the electrical machine and a second end positioned adjacent to the coil of the printed circuit board. In some examples, rotation of the rotor causes a change in the magnetic flux through the magnetically permeable element and generation of the voltage across the reluctance coil. | 2022-07-07 |
20220216771 | DRIVE DEVICE - A drive device rotating an axle of a vehicle includes: a motor having a rotor and a stator; a housing; a temperature sensor for detecting a temperature of the motor; and an oil passage supplying oil to the stator from above. The stator includes a stator core and a coil assembly having coils attached to the stator core. The coil assembly has a terminal portion located on one side of the motor axis in a predetermined direction orthogonal to both the axial direction and the vertical direction. The temperature sensor is in a portion of the coil assembly on one side in the predetermined direction with respect to the motor axis. The temperature sensor is on a lower side with respect to the terminal portion and an upper side with respect to an end on a lower side in the vertical direction with respect to the rotor. | 2022-07-07 |
20220216772 | MOTOR ROTOR, MOTOR, AND VEHICLE - Embodiments of this application provide a motor rotor, a motor, and a vehicle. A conductive pillar passes through an inner ring of a conductive bearing, an outer wall of the conductive pillar interference fits with the inner ring of the conductive bearing, and an end of the conductive pillar is grounded. In this way, it is ensured that a shaft current on a rotor body is discharged by using the conductive bearing and the conductive pillar, to prevent a main bearing of the motor rotor from being electrically corroded by the shaft current. In addition, the conductive bearing is sleeved on the grounded conductive pillar, so that the inner ring of the conductive bearing can interference fit with the outer wall of the conductive pillar. | 2022-07-07 |
20220216773 | COMPOSITES AND METHODS OF MAKING COMPOSITE MATERIALS - A wedge for use in an electric machine includes a central portion comprising at least a first material, a first wing integrally attached to the central portion, and a second wing integrally attached to the central portion opposite the first wing, wherein the first wing, and the second wing include a second material. | 2022-07-07 |