05th week of 2016 patent applcation highlights part 68 |
Patent application number | Title | Published |
20160036257 | BARCODE READER AND DOCKING STATION FOR CHARGING THE BARCODE READER - A barcode reader and a docking station for charging the barcode reader are disclosed. The barcode reader may be an elongated pen-shaped device that includes a capacitive tip for use as a stylus against a capacitive touch screen and a barcode reader for reading a barcode. The barcode reader may be docked in the docking station for charging. The docking station may include a magnetic structure for holding the barcode reader to the docking station, and a positioning structure for aligning the charging contacts of the barcode reader and the docking station. The docking station may include a battery such that the barcode reader may be charged from the battery while being docked in the docking station. | 2016-02-04 |
20160036258 | ELECTRONIC APPARATUS AND CHARGE CONTROL METHOD - On embodiment provides an electronic apparatus including: a controller configured to perform a power management of the electronic apparatus; a battery capable of counting cycles of a charging; and a charge circuit configured to perform the charging to the battery by using DC power supplied from an AC power supply device, wherein the controller is configured to cause the charge circuit to step down a charge voltage of the battery every predetermined number of the counts. | 2016-02-04 |
20160036259 | CONTROLLABLE ENERGY TRANSFER BETWEEN PORTABLE DEVICES - An energy transfer apparatus includes a cable having first end with a first connector operably coupled thereto and a second end with a second connector operably coupled thereto. The energy transfer apparatus also includes a control unit coupled to the cable. The control unit includes a device interface module configured to determine a first energy parameter of a first portable device connected to the cable via the first connector and to determine a second energy parameter of a second portable device connected to the cable via the second connector. The control unit also includes an energy transfer module configured to facilitate energy transfer between the first and second portable devices based on the first and second energy parameters. | 2016-02-04 |
20160036260 | CIRCUIT AND METHOD FOR AVOIDING SHUTDOWN OF A PORTABLE DEVICE DUE TO A FALSE LOW VOLTAGE CONDITION - A method and circuit for avoiding a low voltage shutdown in a portable device due to a low voltage falsely indicating a discharged battery employs an input current sensing circuit to determine when a high current is being drawn by the portable device. When the portable device is drawing a high current from the battery, the shutdown function is at least temporarily suppressed. If, during the high current event, the battery behavior indicates that it is actually near fully discharged, the shutdown functionality can be enabled to shut down the portable device. | 2016-02-04 |
20160036261 | Wireless Charger With Resonator - A wireless charger is disclosed that comprises a transmitter and a resonator connected to the transmitter and comprising a conductive path substantially located within a plane, wherein the conductive path is arranged to form at least two loops, said loops being arranged such that a current that flows in the conductive path flows around a first one of said loops in a first direction and around a second one of said loops in a second direction opposite the first direction. | 2016-02-04 |
20160036262 | WIRELESS CHARGING DEVICE FOR VEHICLES - A wireless charging device for vehicles includes a socket and a charging holder mounted to the socket. The wireless charging device for vehicles is configured to charge an electronic device. The socket includes a petal shaped spring portion and a protruding portion formed in the center of the spring portion. The charging holder includes a base, a first sidewall, a second sidewall, and an opening between the first sidewall and the second sidewall. The second sidewall includes a wireless charging module. The wireless charging device for vehicles of the present disclosure can charge different sizes of electronic devices and can be stable and convenient. | 2016-02-04 |
20160036263 | ON-VEHICLE WIRELESS CHARGING SYSTEM, WIRELESS CHARGER AND CAR CHARGER THEREOF - A wireless charger includes a charging base and a charging contact point protruding from the charging base. The charging base includes a wireless charging module, a GPS transmitting antenna positioned adjacent to the wireless charging module, and a GPS contact point coupled to the GPS transmitting antenna and protruding from the charging base. The charging contact point is coupled to the wireless charging module. A car charger adapted to the wireless charger and an on-vehicle charging system including the wireless charger and the car charger are also disclosed. | 2016-02-04 |
20160036264 | Wireless Charging Apparatus - Disclosed are a soft magnetic alloy and a wireless charging apparatus including the soft magnetic alloy. The soft magnetic alloy has a chemical formula expressed as Fe | 2016-02-04 |
20160036265 | WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND IMPEDANCE CONTROL METHOD THEREOF - A wireless power transmission and charging system and method are provided. The wireless power may refer to energy that may be transferred from a wireless power transmitter to a wireless power receiver. The wireless power transmission and charging system may include a source device to wirelessly transmit power, and a target device to wirelessly receive power. | 2016-02-04 |
20160036266 | Reversible Buck Or Boost Converter That Determines Boost Output Current From Sensed Boost Input Current - A reversible buck or boost converter is operable in a buck mode and in a boost mode. In the buck mode, the converter receives a supply voltage via an input terminal and generates a charging current that is supplied to a battery, thereby charging the battery. The supply voltage is also supplied through the converter to an output terminal. In a boost mode, the converter receives power form the battery and generates a supply current and voltage that is output onto the output terminal. The same single current sense resistor is used both to control the charging current in the buck mode and to control a constant current supplied to the output terminal in the boost mode. The output current is controlled to be constant, regardless of changes in the in the battery voltage and changes in the output voltage. | 2016-02-04 |
20160036267 | ELECTRONIC DEVICE PROTECTIVE CASE - The present disclosure provides an electronic device protective case[.] which is able to, by means of photovoltaic power generation, alleviate the insufficient capacity of a cell for an electronic device when it is used in the open air, and while an accumulator may be used as a power tank. A charging/discharging controller is used to control a photovoltaic cell panel in the protective case to store electric energy after the photovoltaic conversion in an accumulator, with the electric energy in the accumulator used to charge the electronic device. In addition, electrical connection states between an external data line port and the electronic device protective case as well as a port of an electronic device is controlled by means of a switch assembly, and when the switch assembly is in an ON state, the charging/discharging controller is used to control the accumulator or an external data line port to charge the electronic device. | 2016-02-04 |
20160036268 | Light Fixture Emergency Power System - Techniques are presented herein to operate a light fixture as in an emergency mode in order to verify that the light emitted by the light fixture when operated in the emergency mode complies with emergency operating policies, as well as to detect failures. The light emitted by the light fixture in emergency mode may be measured and adjusted to optimize the runtime of the light fixture in the emergency mode. The light fixture is connected to a lighting control system via a control network which supplies electrical power to charge an onboard battery of a light fixture and to operate the light fixture. The light fixture may be caused to operate in the emergency lighting mode when a main electrical power supply is interrupted or when performances of the light fixture and of the onboard battery are tested. | 2016-02-04 |
20160036269 | ELECTRIC POWER CONVERTER HAVING THE FUNCTION OF SWITCHING POWER SUPPLY SYSTEMS IN THE EVENT OF POWER FAILURE - An electric power converter includes a power failure detection circuit for detecting a power failure state of each power supply system, a first switch having contact points connected to the power supply systems and one output terminal and, when the power failure detection circuit detects a power failure in at least one power supply system, switches to connect to the output terminal of the contact point connected to one of the other power supply systems, a second switch having a charging circuit to inhibit an inrush current from the power supply systems and one input terminal connected to the output terminal of the first switch and switches to connect the input terminal to a contact point on an input side of the charging circuit for a predetermined duration in synchronization with the switching among the power supply systems by the first switch unit, and an electric power conversion circuit. | 2016-02-04 |
20160036270 | SYSTEMS AND METHODS FOR MATCHING AN END OF DISCHARGE FOR MULTIPLE BATTERIES - A system includes a first power converter, a second power converter, a first battery having a time to end of discharge (EOD) and coupled to output a current to the first converter, a second battery having a time to EOD and coupled to output a current to the second converter, and a control circuit coupled to the first converter and the second converter. The control circuit is configured to monitor the times to EOD of the first battery and the second battery, and in response to the times to EOD of the first battery and the second battery not being substantially equal, control the first converter to adjust the current drawn from the first battery to change a rate of decrease of the time to EOD of the first battery. Other example systems and methods for substantially matching a time to EOD of a plurality of batteries are also disclosed. | 2016-02-04 |
20160036271 | DISPLAY APPARATUS AND POWER SUPPLYING METHOD THEREOF - Disclosed are a display apparatus and a power supplying method thereof. The display apparatus includes: a backlight driver configured to drive a backlight to emit light; a main power supply configured to detect connection of the backlight to the backlight driver and supply a voltage to the backlight driver in response to a control voltage; and a standby power supply configured to supply the control voltage to the main power supply, in response to determining the connection of the backlight to the backlight driver. | 2016-02-04 |
20160036272 | PREDICTING AND OPTIMIZING ENERGY STORAGE LIFETIME PERFORMANCE WITH ADAPTIVE AUTOMATION CONTROL SOFTWARE - A transactive energy system design is linked to an energy automation control process. A design process provides a predictive analytics engine at its core. This design process includes three models: application modeling, health/asset modeling, and revenue modeling. An energy storage system health model is the combination of the application model with storage life characteristic data that comprises electrical efficiency, effective capacity, and capacity fade as a function of temperature, voltage range, and calendar life. These models enable a predictive analytics engine to inform energy automation control software how to operate. The inventive concept involves utilization of various core data communication methods. The predictive analysis uses the same algorithms and processes as those used in the actual eACS and energy operating system. The continuity from analytics to operations improves the accuracy of the economic models, which reduces risk to financial planning and system financing. | 2016-02-04 |
20160036273 | SYNCHRONOUS-GENERATOR POLE STACK - A synchronous generator rotor pole pack having a plurality of pole pack laminations which are offset with respect to one another, a pole shank, a pole head with at least three pole head sections is provided. A front edge of each of the at least three pole head sections is arranged at an angle with respect to the pole shank. | 2016-02-04 |
20160036274 | ROTORS AND STATORS FOR DYNAMOELECTRIC MACHINES - A dynamoelectric machine includes a rotor having a rotor core and permanent magnets, and a stator having teeth. The permanent magnets are arranged in magnet sets. Each magnet set includes one or more of the permanent magnets. The rotor core has a cylindrical periphery and slits. Each of the slits is positioned radially between one of the magnet sets and the cylindrical periphery. Each tooth includes a tooth surface facing the cylindrical periphery. The tooth surface includes an inner portion extending substantially parallel to the cylindrical periphery of the rotor core, and beveled portions positioned on opposing sides of the inner portion of the tooth surface. An air gap between each beveled portion of the tooth surface and the cylindrical periphery of the rotor core is greater than an air gap between the inner portion of the tooth surface and the cylindrical periphery of the rotor core. | 2016-02-04 |
20160036275 | ROTOR AND METHOD FOR PRODUCING A ROTOR - A rotor includes a rotor shaft with a mounting portion along a mounting region of the shaft; and a plurality of permanent magnets mounted in the mounting portion on the rotor shaft, wherein the rotor shaft includes, in the mounting portion, a region with a radius reduced with respect to a circular cross-section, such that a radially measured thickness of a permanent magnet is greater in the region than in an adjacent region with non-reduced radius of the rotor shaft. | 2016-02-04 |
20160036276 | ROTOR FOR ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE | 2016-02-04 |
20160036277 | STRAND CROSS-SECTION FOR HIGH FILL-FACTOR ELECTRIC MACHINE WINDINGS - A winding configuration for an electric machine includes a stator core with a plurality of winding slots, a plurality of conductor strands distributed in a winding slot of the plurality of winding slots, and an insulation matrix that surrounds each of the plurality of the conductor strands. The winding slot includes a slot cavity with a cross-section area and the plurality of distributed conductor strands are configured to maximize slot fill factor. | 2016-02-04 |
20160036278 | TERMINAL FOR VEHICLE TRACTION MOTOR AND METHOD OF MANUFACTURING THE SAME - A terminal of a vehicle traction motor includes a plurality of bus bars placed on an assembly jig, a plurality of insulation spacers, where an insulation spacer is inserted between the a pair of bus bars, and a terminal mold placed over the plurality of bus bars and the plurality of insulation spacers, the terminal mold being coupled to an outermost bus bar of the plurality of bus bars, wherein a diameters of each of the plurality of bus bars is different from the other bus bars, and a diameters of each of the insulation spacers is different from the other insulation spacers. | 2016-02-04 |
20160036279 | STATOR OF ELECTRIC MOTOR, ELECTRIC MOTOR, AIR CONDITIONER, AND METHOD OF MANUFACTURING STATOR OF ELECTRIC MOTOR - A lead wire wiring component includes a lead wire guide that guides power supply lead wires and sensor lead wires to a lead wire leading component. The lead wire leading component includes projection portions that can be assembled to the lead wire guide. The projection portions are detached from the lead wire guide for molding such that the lead wire leading component is detached from the lead wire wiring component during the molding. | 2016-02-04 |
20160036280 | STATOR OF AN ELECTRICAL MACHINE PROVIDED WITH SHEATHS WITH AN OPTIMISED LENGTH FOR INSULATION OF THE WIRES WHICH ARE CONNECTED TO THE COILS, AND CORRESPONDING ELECTRICAL MACHINE - A stator for a multiphase rotary electric machine comprising a set of coils wound around teeth of the stator. The coil inputs are interconnected with other inputs, forming the neutral point and the coil outputs are interconnected with other outputs, forming one of the phases. Each phase is associated with a bundle of wires. Two bundle portions run around part of the circumference of the stator, connecting the outputs that make up the same phase. The stator comprises a set of insulating sheets protecting the wires. Each bundle is divided in a dividing zone near a connection of one or more bundles with an output of one coil belonging to the phase corresponding to said bundle. The insulating sheets extend around the circumference of the stator to an output of a next coil of a phase or between the outputs of two successive coils. | 2016-02-04 |
20160036281 | PERMANENT MAGNET MOTOR AND ELECTRIC POWER STEERING APPARATUS - A permanent magnet motor is provided in which, in flanges each provided in a plurality of teeth, lateral side portions of the flanges oppose to lateral side portions the flanges being provided in adjacent teeth and protruding in a circumferential direction of a stator core; when a height in the lateral side portion of the flanges in a radial direction of the stator core is defined as “h,” and the length of a magnetic air gap is defined as “g,” the relationship “1≦h/g≦2” is held; and also, when a circumferential distance between opposing faces of the flanges being adjacent to each other is defined as “a,” the relationship “a/g≧0.2” is satisfied. | 2016-02-04 |
20160036282 | Coil, Rotating Electrical Machine Equipped with Same, and Method for Manufacturing Same - Provided are a coil having excellent insulation properties, a rotating electrical machine equipped with the same, and a method for manufacturing the same. The coil ( | 2016-02-04 |
20160036283 | COIL FOR LOW-VOLTAGE INVERTER DRIVE MOTOR - The present invention provides a coil for a low-voltage inverter drive motor having insulation performance preventing the insulation breakdown even when partial discharge occurs within the warranty period of the motor. The coil is used for a low-voltage inverter drive motor that is driven at a low voltage of less than AC 700 V by an inverter power supply, the coil is formed of an insulated wire, and a total discharged charge amount discharged until an expiration of the warranty period is less than 10 C/mm | 2016-02-04 |
20160036284 | Highly Reinforced Elastometric Stator - Elastomeric compositions containing a combination of selected carbon blacks. The resultant elastomers have improved durability and/or power generation. Such elastomers may be used in oilfield products, for example, as seals or stator liners. Methods of producing these elastomeric compositions are also disclosed. | 2016-02-04 |
20160036285 | ELECTRIC MACHINE, SEALING ASSEMBLY AND ASSOCIATED METHOD - An electric machine includes an electric machine having a housing defining a cavity in the housing. The housing has an internal wall of the housing defining an aperture extending from an exterior of the housing to the cavity. The machine also includes, a stator secured to the housing and a rotor. The rotor is rotatably secured to the housing. The machine also includes a component positionable in the aperture and a sealing member. The scaling member is operably associated with the component. At least a portion of the sealing member is made of a conformable material and adapted for engagement with the housing. The internal wall of the housing is adapted to radially engage the conformable portion of the sealing member. | 2016-02-04 |
20160036286 | DRIVE APPARATUS - A drive apparatus includes a power module, a connector and a heat sink. The connector is used for electric connection to an external side and has a flange, which is formed on its peripheral wall. The heat sink is formed to have a module holding part for holding the power module and a fitting hole for fitting with the flange and has a connector holding part for holding a connector. The flange is formed along a first surface, which faces the connector holding part of the peripheral wall, and side surfaces, which are formed on both sides of the first surface. Thus, water droplets are prevented from entering into a control unit through a clearance between the connector and the heat sink without adding other members such as a water preventing cover. | 2016-02-04 |
20160036287 | Window Regulator Drive Unit - A drive unit for a window regulator assembly incorporating improved component assembly features. The drive unit motor assembly is provided with motor locating features, and a housing is provided with attachment features. The motor locating an attachment features have snap-fit attachment. The assembly provides an assembly process in which a splined stub shaft of the motor assembly may be aligned with an internal splined bore of a drum gear as the motor assembly and housing are fastened together. The motor locating feature snap fits with the attachment features in a final assembled condition. | 2016-02-04 |
20160036288 | DRIVE UNIT AND ELECTRIC POWER STEERING DEVICE INCLUDING THE DRIVE UNIT - A drive unit that includes a rotating electric machine having a stator with winding wound on the stator and with a shaft rotating within the stator, and a rotor rotatable relative to the stator. The drive unit also includes a controller holding member disposed on one end of the rotating electric machine, and a controller having a substrate fixed to the controller holding member, a heat generation element mounted on a heat generation element mounting surface. The drive unit further includes a power supply connector connecting the substrate and a power supply, and a ground line coupled to a ground terminal of the power supply providing a conductive connection to the controller holding member via the substrate and the power supply connector. With this structure, the drive unit's common mode noise may be reduced. | 2016-02-04 |
20160036289 | DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE INCLUDING THE DRIVE DEVICE - A drive device includes a rotating electric machine, a substrate, a first drive element, a second drive element, a first extension line, and a second extension line. The rotating electric machine including a stator with a first winding group and a second winding group wound on the stator in at least three phases. The first extension line and the first drive element, as well as the second extension line and the second drive element have respectively reversed phase orders in an arrangement of the phase orders from an end close to a reference position toward an other end of the arrangement. In such manner, variation of wiring lengths from an electric power supply region among different phases is reduced. | 2016-02-04 |
20160036290 | APPARATUS AND METHOD FOR FIXING POWER LINE TERMINAL IN MOTOR - An apparatus for fixing a power line terminal may include a terminal guide configured to be mounted at one end of a motor cover to support a motor coil terminal and to have an upper surface provided with a plurality of insertion grooves, and a plurality of insert nuts configured to be inserted into the plurality of insertion grooves, the insert nuts manufactured separate from the terminal guide. | 2016-02-04 |
20160036291 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes an annular stator, a motor case, and an inner frame. The motor case is disposed radially outward of the stator with a prescribed radial gap. The inner frame fixedly supports one end of the stator in the axial direction of the motor case. The inner frame includes a bolt fastening portion coupled to the one end of the stator without being coupled to the motor case, a bolt fastening portion coupled to the motor case without being coupled to the one end of the stator, and a connecting portion connecting the bolt fastening section and the bolt fastening section. The radial rigidity at the connection section of the inner frame is configured to be lower than the radial rigidity of a bottom section of the motor case. | 2016-02-04 |
20160036292 | PART FOR UNCOUPLING A MOTOR AND THE MOUNTING THEREOF AND ASSEMBLY OF A MOTOR ONTO THE MOUNTING THEREOF HAVING SUCH AN UNCOUPLING PART BUILT THEREIN - The invention mainly relates to a part for uncoupling a motor and the mounting thereof, which is characterized in that it comprises a rigid connecting part ( | 2016-02-04 |
20160036293 | ACTUATOR DEVICE AND METHOD OF CONVERTING ROTATIONAL INPUT TO AXIAL OUTPUT WITH ROTARY FLEXURE MECHANISM - An actuator device includes a motor and a reduction device operatively coupled to the motor and oriented about a central axis, the reduction device configured to modify an input angle of rotation provided by the motor to an output angle of rotation. Further included is a rotary flexure mechanism that includes a rotary flexure operatively coupled to an output portion of the reduction device. The rotary flexure mechanism also includes a plurality of flexure blades coupled to the rotary flexure, each of the flexure blades angularly oriented from the central axis. The rotary flexure mechanism further includes a diaphragm flexure pair operatively coupled to the flexure blades, wherein the diaphragm flexure comprises a rotational and in-plane stiffness greater than an axial stiffness resulting in the rotary flexure mechanism being configured to convert a rotational input to an axial translation. | 2016-02-04 |
20160036294 | LAMINATED CORE FOR A MAGNETIC BEARING HAVING INDIVIDUAL LAMINATIONS WITH AT LEAST ONE PHYSICAL INTERRUPTION AND METHOD FOR CONSTRUCTING SUCH A LAMINATED CORE - The core inside a combined radial-axial magnetic bearing is stacked with coated laminations each equipped with at least one radial cut. These cuts prevent the inducement of circulating currents caused by varying axial control fluxes through the central hole of the stack. Magnetic symmetry is preserved by pivoting every lamination with respect to the previous one over a particular angle. This arrangement not only reduces the losses in the bearing, but improves the performance of the axial channel as well. | 2016-02-04 |
20160036295 | INSTRUMENT USE IN HAZARDOUS ENVIRONMENTS - An apparatus for facilitating use of instruments in hazardous environments includes a fluid line and a fluid-driven generator. The fluid line includes: an inlet to receive a flow of fluid from a fluid source; a first outlet to convey a first portion of the fluid flow to an instrument as a purge gas; and a second outlet to convey a second portion of the fluid flow. The fluid-driven generator is coupled to the second outlet of the fluid line, and converts fluid-stored energy in the second portion of the fluid flow to electrical energy deliverable to the instrument as the second portion of the fluid flow is received from the second outlet. | 2016-02-04 |
20160036296 | DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE INCLUDING THE DRIVE DEVICE - A drive device that includes a rotating electric machine having a stator with a winding wound on the stator, a rotor rotatably disposed relative to the stator, and a shaft rotating together with the rotor. The drive device also includes a frame member fixed on the rotating electric machine. The drive device further includes a circuit board fixed on the frame member, with a first surface of the circuit board on a frame member side serving as a heat generation element mount surface. The drive device also has a drive element located on the first surface of the circuit board in a heat dissipatable manner, and serving as a component of an inverter that switches on and off to supply an electric current to the winding. | 2016-02-04 |
20160036297 | USE OF AN INVOLUTE SHAPED HOUSING SURROUNDING SHAFT(S) TO PROMOTE SHAFT ANNULUS FLUID FLOW - The powertrain includes a sump and an electric motor-generator configured to convert electrical energy into mechanical energy. The electric motor-generator includes a stator and a rotor. The rotor includes a rotor shaft and is configured to rotate about a shaft axis relative to the stator. The powertrain further includes an output shaft rotatable about the shaft axis and extending through the rotor shaft along the shaft axis. The output shaft and the rotor shaft jointly define a substantially annular gap therebetween. The electric motor-generator also includes a motor housing covering the stator and the rotor. The motor housing defines a housing passageway in fluid communication with the sump and the substantially annular gap. The housing passageway includes a substantially involute shaped portion in order to facilitate flow of the cooling fluid from the sump to the substantially annular gap. | 2016-02-04 |
20160036298 | ELECTRONIC DEVICE AND DRIVE DEVICE INCLUDING THE SAME - An electronic device includes a heat sink, where heat dissipating gel is interposed between the heat sink and a side of an electronic component, which is mounted on a substrate, opposite from the substrate. The electronic component includes an electrical conductor electrically connected to a chip, and an insulator portion that molds the chip with the electrical conductor. The heat sink includes a non-abutting surface that faces the electrical conductor of the electronic component, the heat dissipating gel interposed between the non-abutting surface and the electrical conductor, and an abutting surface that is positioned closer toward the substrate than the non-abutting surface is and abuttable with the insulator portion. Accordingly, when the abutting surface of the heat sink abuts the insulator portion of the electronic component, the non-abutting surface of the heat sink is prevented from abutting the electrical conductor of the electronic component. | 2016-02-04 |
20160036299 | DRIVE DEVICE ASSEMBLED BY AN INTERFERENCE FIT - A drive device is assembled with a fitting outer wall of a heat sink and a fitting inner wall of a frame combined by an interference fit. The drive device allows for a sufficient assembly accuracy of coaxiality, and may prevent a pulsation of motor torque and a vibration sound caused by a tilt of a shaft. Further, heat conductivity at a contacting portion is improved for heat dissipation from an electronic element in a controller section via the heat sink, the frame, and a bottom plate. | 2016-02-04 |
20160036300 | ELECTRONICALLY COMMUTATED MOTOR - An electronically commutated motor, including: a motor body and a motor controller. The motor controller includes a control box and a circuit board disposed in the control box. The circuit board includes a microprocessor, an inverter circuit, a gear detection circuit, and a power supply. The gear detection circuit includes a plurality of current sensing units. The output end of the power supply supplies power to each circuit, and a first AC input end of the power supply is connected to a first power input line N. The gear detection circuit is connected to a plurality of gear input lines. At least one of the gear input lines is selected to be in an energized state. Each gear input line is correspondingly connected to a first input end of one of the current sensing units. | 2016-02-04 |
20160036301 | ELECTRIC ROTATING MACHINE - An electric rotating machine includes an electric rotating machine body that cause a rotating body to rotate around an output axis, a rotation detecting device that detects rotation of the rotating body, and a braking device that stops rotation of the rotating body. The rotation detecting device includes a rotating portion that rotates in association with the rotating body. The rotating portion is arranged coaxially with the output axis. The braking device is arranged at a position shifted from the output axis of the rotating body. | 2016-02-04 |
20160036302 | ELECTRIC MACHINE, MACHINE CONTROLLER AND ASSOCIATED METHOD - An electric machine is provided. The electric machine includes stator having an electromagnetic coil and a rotor. The rotor is configured to rotate relative to the stator. The electric machine thriller includes a controller. The controller is adapted to control the electromagnetic oil. The controller includes a plurality of electrical components and an isolation member. The isolation member includes a first portion positioned in a first direction between two adjacent electrical components of the plurality of electrical components and a second portion positioned in a second direction normal to the first direction. | 2016-02-04 |
20160036303 | DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE INCLUDING THE DRIVE DEVICE - A drive device that includes a motor having a rotor disposed relative to a stator, a cover having a one-end-closed cylinder shape and positioned on one axial end side of the motor, and a substrate on the inside of the cover perpendicular to a motor shaft having electronic components implemented on the substrate. The drive device also includes a connector positioned on a motor side of the substrate with an opening that is connectable to an external terminal. The opening of the connector faces outward relative to the motor shaft. The drive device further includes a heat sink having a frame end part and a heat receiving part formed in one body. The drive device increases heat capacity of the heat sink without increasing its height. | 2016-02-04 |
20160036304 | DRIVE UNIT AND ELECTRIC POWER STEERING INCLUDING THE DRIVE UNIT - A drive unit includes a rotating electric machine, a frame member, and a controller. The rotating electric machine has a stator that has a winding wound on the stator, a rotor disposed relative to the stator, and a shaft rotating together with the rotor. The frame member is disposed on one axial end of the rotating electric machine. The controller includes a substrate attached on one surface of the frame member facing away from the rotating electric machine, a heat generation element disposed on a heat generation element mounting surface of the substrate, the heat generation element mounting surface facing the frame member, and an electronic component disposed on an electronic component mounting surface of the substrate. | 2016-02-04 |
20160036305 | DRIVER UNIT AND ELECTRIC POWER STEERING DEVICE INCLUDING THE DRIVER UNIT - A driver unit has a rotating electric machine and a frame member that is disposed on one axial end of the rotating electric machine. A substrate is fixed onto one surface of the frame member which faces away from the rotating electric machine. Switching elements constituting inverters for switching power supply to winding groups are mounted on a first surface for enabling heat dissipation toward the frame member. An Integrated Circuit (IC) is mounted on the first surface for enabling heat dissipation toward the frame member. An electronic component is mounted on a second surface at an overlapping position that at least partially overlaps a mounting position of the IC. | 2016-02-04 |
20160036306 | DRIVE UNIT INCLUDING TERMINALS IN RESILIANT CONTACT WITH EACH OTHER - A drive unit that includes a rotating electric machine, and a controller having a substrate with electronic components mounted on the substrate, and controlling a drive of the rotating electric machine. The drive unit also includes a first terminal electrically connected to the rotating electric machine or to a power supply, and a second terminal disposed on the substrate. The second terminal has an insertion hole into which the first terminal is inserted, and has a protruding shape protruding in parallel with an insertion direction or an anti-insertion direction of the first terminal. Also, the first terminal and the second terminal are in a resilient contact with each other. | 2016-02-04 |
20160036307 | CLOSED LOOP LEVERAGING ELECTROMAGNETIC MOTOR - The invention is a high torque and energy efficient electric motor. With a larger diameter shaft and shortened length, the design of the motor is pancaked. With high torque, the electric motor can operate efficiently by taking advantage of repelling and attracting forces from magnetic fields. Two embodiments of the invention for the high torque motor are designed to be energy efficient utilizing lifting design electromagnets, and low current flow in relation to the magnetic field produced is a key element of the invention. | 2016-02-04 |
20160036308 | VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION - The present disclosure is directed to an electric generator and motor transmission system that is capable of operating with high energy, wide operating range and extremely variable torque and RPM conditions. In accordance with various embodiments, the disclosed system is operable to: dynamically change the output “size” of the motor/generator by modularly engaging and disengaging rotor/stator sets as power demands increase or decrease; activate one stator or another within the rotor/stator sets as torque/RPM or amperage/voltage requirements change; and/or change from parallel to series winding configurations or the reverse through sets of 2, 4, 6 or more parallel, three-phase, non-twisted coil windings with switchable separated center tap to efficiently meet torque/RPM or amperage/voltage requirements. | 2016-02-04 |
20160036309 | LAMINATED LINEAR MOTOR STATOR CORE - A linear motor ( | 2016-02-04 |
20160036310 | Magnetic Levitation Electrical Generator - A device for generating an electric charge, having: a base; at last one capacitor; at least one magnet; a cover; a splitter; a load; a conductive core; a frictionless surface; and at least one discharge point. The at least one capacitor adapted and configured to store electricity generated from the electric charge. The splitter is adapted and configured to receive a first portion of electricity from the conductive core and divert a second portion of electricity back to the at least one capacitor and further divert a third portion of electricity to the load. The load is adapted and configured to store electricity and use a fraction of the total electricity generated by the device. The at least one magnet is adapted and configured to levitate and rotate on an electromagnetic rail around said conductive core in an infinite loop, wherein said rotation causes a magnetic field. | 2016-02-04 |
20160036311 | MAGNETIC CLUTCH SYSTEMS AND METHODS - A magnetic clutch system having an engaged configuration and a disengaged configuration includes a first magnet rotor coupled to an input shaft and having a first sequence of magnets and a second magnet rotor coupled to an output shaft having a second sequence of magnets, the first and second sequence of magnets are arranged such that rotation of the first magnet rotor causes rotation of the second magnet rotor to drive the output shaft. The magnetic clutch system also includes a mechanism configured to facilitate slideable movement of the first magnet rotor or the second magnet rotor from the engaged configuration to the disengaged configuration. | 2016-02-04 |
20160036312 | METHOD AND APPARATUS FOR PEAK SWITCHING TO REDUCE LOSSES IN HIGH FREQUENCY DC-DC CONVERTERS - A method includes monitoring a resonant interval across a switching node. The method also includes detecting one or more preset values associated with the resonant interval across the switching node. The method further includes, in response to detecting the one or more preset values associated with the resonant interval across the switching node, initiating a high switch into an “on” operation. | 2016-02-04 |
20160036313 | PROGRAMMABLE SNUBBER CIRCUIT - The present disclosure includes programmable snubber circuits and methods. In one embodiment, a circuit is configured between first and second power supply terminals. A programmable snubber circuit may be configured between the first and second power supplies to reduce ringing on the power supplies. In one embodiment, the circuit is a switching regulator and the power supply terminals are internal power supply terminals. The snubber circuit may be programmed to reduce ringing caused by switching currents through parasitic inductances in a package. | 2016-02-04 |
20160036314 | POWER CONVERSION APPARATUS - A cell block including a plurality of cell converters connected in cascade and each including switching elements and a capacitor is provided. The cell block includes external connection terminals for connecting to another cell block in cascade, and a bypass circuit is connected to the external connection terminals. | 2016-02-04 |
20160036315 | DRIVE CIRCUIT AND SEMICONDUCTOR DEVICE - Malfunction can be reliably avoided even when a signal that drives a high side power device is not normally transmitted in a level shift circuit. In a drive circuit, a pulse generator circuit generates a set signal and reset signal that causes a high side power device to be turned on or off. The pulse generator circuit provides set and reset signals, via a level shift circuit, to a high side drive circuit. A high side potential (a high side reference potential or a high side power supply potential) is detected by a high side potential detector circuit. A high side potential determination circuit determines a change in potential that impedes the transmission of the set signal or reset signal in the level shift circuit, and causes the pulse generator circuit to regenerate the set signal or reset signal when the timing of the detection coincides with the timing at which the set signal or reset signal is generated. | 2016-02-04 |
20160036316 | INSULATED GATE SEMICONDUCTOR DEVICE - An insulated gate semiconductor device includes an insulated gate semiconductor element, an output current detection unit, a voltage detection unit, and a heat generation amount suppression unit. The insulated gate semiconductor element on-operates by receiving a first gate voltage at a control terminal, and switches and outputs an input voltage to a load. The output current detection unit detects an output current to the load. The voltage detection unit detects an on-voltage of the insulated gate semiconductor element. The heat generation amount suppression unit sets a gate voltage to be applied to the control terminal of the insulated gate semiconductor element higher than the first gate voltage in response to the output current exceeding a rated current value and the on-voltage being lower than a first threshold voltage. | 2016-02-04 |
20160036317 | POWER CONVERSION DEVICE - A power conversion device located between an AC power source and a load includes: a rectifier circuit unit that rectifies a voltage of the AC power source; a smoothing unit that smooths a DC voltage on the load side of the rectifier circuit unit; a short-circuiting unit that short-circuits the AC power source; a step-up reactor—located on the AC power source side of the short-circuiting unit; at least one of a reactor current detecting unit—that detects the current of the step-up reactor and a bus voltage detecting unit that detects an output voltage of the smoothing unit; a counterflow preventing element that prevents a counterflow of the current from the smoothing unit to the AC power source; a switching control unit that outputs a control signal for the short-circuiting unit; and a switching frequency changing unit that changes a frequency of the control signal using a logic operation. | 2016-02-04 |
20160036318 | POWER FACTOR CORRECTION CIRCUIT - The present application relates to AC power supplies and in particular to power factor correction circuits in AC-DC converters. The application provides an active power factor correction circuit in which zero voltage switching is inherently achieved using a passive snubbing approach employing a saturable transformer. | 2016-02-04 |
20160036319 | POWER FACTOR CORRECTION CIRCUIT - A power factor correction circuit includes a rectifier that rectifies AC power supply voltage, a series circuit of an inductor and a semiconductor switch connected between the rectifier circuit output terminals, and a series circuit of a diode and a smoothing capacitor connected to both ends of the semiconductor switch, a load connected to both ends of the smoothing capacitor, so that the power factor on the input side of the rectifier circuit is corrected by the switching operation of the semiconductor switch. This power factor correction circuit includes a control circuit that controls the switching frequency of the semiconductor switch such that the switching frequency becomes maximum when the ripple of a current flowing through the inductor becomes maximum. According to this power factor correction circuit, normal mode noise can be reduced, and the size of a filter circuit can be decreased. | 2016-02-04 |
20160036320 | APPARATUS AND METHODS FOR CHARGE PUMPS FOR RADIO FREQUENCY SYSTEMS - Apparatus and methods for charge pumps are disclosed herein. In certain configurations, a charge pump includes a mode control circuit, a clock generation circuit that generates a clock signal, two or more switched capacitors, and a capacitor charging circuit used to charge the switched capacitors in response to transitions of the clock signal. The mode control circuit can be used to operate the charge pump in one of a plurality of modes associated with different clock signal oscillation frequencies and with different power supply voltages of the capacitor charging circuit. For example, in certain configurations, the selected mode can control an oscillation frequency of clock signal and a voltage level of a power supply voltage used by the capacitor charging circuit when charging the switched capacitors. | 2016-02-04 |
20160036321 | DYNAMIC BYPASS CAPACITANCE - A dynamic bypass capacitance is provided for a power rail. The dynamic bypass capacitance equals a first bypass capacitance during an idle mode for a digital core powered by the power rail. During an active mode for the digital core, the dynamic bypass capacitance equals a second bypass capacitance that is greater than the first bypass capacitance. | 2016-02-04 |
20160036322 | CONTROL APPARATUS, SWITCHING POWER SUPPLY AND CONTROL METHOD - Disclosed herein are control apparatus, switching power supply, and control method embodiments for maintaining power conversion efficiency. An embodiment operates by determining whether or not a current of an inductor of the switching power supply has become less than or equal to a predetermined value, controlling a reference voltage based on at least one of a result of the determining or a result of comparing a voltage according to an output voltage of the switching power supply and the reference voltage, and pausing switching of the switching power supply based on the reference voltage. | 2016-02-04 |
20160036323 | THREE PORT DC-DC CONVERTER - A three port DC-DC converter connectable to multiple energy sources and loads to allocate power therebetween is disclosed. The three port DC-DC converter includes an arrangement of switching devices consisting of a first switching device, a second switching device, and a third switching device. The three port DC-DC converter also includes a pair of input channels that provide current to the arrangement of switching devices, with the pair of input channels connected to and receiving or sending power from or to a plurality of energy sources or loads. The three port DC-DC converter further includes an output channel that outputs a controlled power from or to the three port DC-DC converter. The first switching device, the second switching device, and the third switching device are selectively controllable to provide a controlled power to the output channel from the plurality of energy sources or loads connected to the input channels. | 2016-02-04 |
20160036324 | System and Method for a Switching Converter - According to various embodiments, a method for operating a switching converter includes determining an operating parameter of the switching converter and, if the operating parameter is outside a first operating range, adjusting a control parameter in order to adjust the operating parameter to be within the first operating range. The operating parameter includes at least one of a switching frequency of the switching converter and a current ripple value of an output current. | 2016-02-04 |
20160036325 | DIGITALLY CONTROLLABLE POWER SOURCE - Embodiments of power source circuits and methods for operating a power source circuit are described. In one embodiment, a method for operating a power source circuit involves receiving at the power source circuit at least one digital signal from a feedback loop and increasing or decreasing an output power signal of the power source circuit in response to the at least one digital signal. Other embodiments are also described. | 2016-02-04 |
20160036326 | POWER SUPPLY CONTROL AND CURRENT EMULATION - According to example configurations herein, a power supply control circuit includes an emulator circuit. The emulator circuit includes: i) a first input to receive a first input value, the first input value indicating a magnitude of an input voltage used by a power supply circuit to produce an output voltage to power a respective load, and ii) a second input to receive a second input value, the second input value indicating a magnitude of the output voltage produced by the power supply circuit. The current emulator circuit uses the magnitude of the input voltage and the magnitude of the output voltage to emulate current flowing through the inductor of the power supply circuit. The emulated current flow represents an actual current supplied by the inductor to the load. The power supply control circuit uses the emulated current flowing through the inductor to control the magnitude of the output voltage within a desired range. | 2016-02-04 |
20160036327 | BUCK CONVERTER USING VARIABLE PULSE - A buck converter using a variable pulse includes a switching unit configured to convert a supply voltage supplied from an external device into an internal voltage, and a pulse controller configured to variably control a driving time of the switching unit according to a result obtained by detecting a difference between the supply voltage and an output voltage which is the internal voltage. | 2016-02-04 |
20160036328 | VOLTAGE CONVERTER AND A VOLTAGE CONVERSION METHOD OF THE VOLTAGE CONVERTER - A voltage converter includes first and second charging elements, first and second switches, and first and second switch controllers. The first switch controller adjusts a first activation timing of a first control signal in response to a pulse width modulation signal, a switch signal, and a first control signal. The first control signal is a signal for controlling the first switch. The second switch controller adjusts a second activation timing of a second control signal in response to the pulse width modulation signal, the first control signal, and a second control signal. The second control signal is a signal for controlling the second switch. | 2016-02-04 |
20160036329 | NEGATIVE VOLTAGE GENERATOR - In an embodiment there is: A negative voltage generator configured to generate an output having a negative voltage from an input having a positive voltage comprising an input node configured to receive an alternating signal, an output node for outputting an output voltage of the generator and a ground node, a switching element configured to provide a conductive and non-conductive flow path between a first terminal and a second terminal in response to a control signal; a control element adapted to control the flow of current therethrough between a first terminal and a second terminal. | 2016-02-04 |
20160036330 | Apparatus and Methods for Integrated Power Converter with High Bandwidth - A DC-DC power converter includes a switched inductor power converter and a parallel linear voltage regulator. Two transistors are positioned in the switched inductor power converter to periodically set a bridge voltage thereby producing a square wave with a fixed frequency and variable duty cycle. An inductor and an output capacitor filter the bridge voltage so that only the average value of the bridge voltage is passed to the load. Parasitic impedance due to physical separation of the switched inductor power converter and the load is overcome by providing the parallel linear regulator with its own dedicated channel to the load. | 2016-02-04 |
20160036331 | SEMICONDUCTOR DEVICE AND DC-TO-DC CONVERTER - In general, according to one embodiment, a semiconductor device includes a device main body, a semiconductor substrate. The device main body includes a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part. The semiconductor substrate includes a DC-to-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied to the first conductor. The semiconductor substrate is disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. | 2016-02-04 |
20160036332 | CONTROL APPARATUS, BUCK-BOOST POWER SUPPLY AND CONTROL METHOD - A control apparatus, a buck-boost power supply, and a control method that can control an output part comprising two primary switches which are N-type transistors without changing the switching frequency are provided. A control apparatus for a buck-boost power supply comprises: a pulse-width modulation (PWM) signal generator configured to generate a PWM signal having a pulse whose pulse width is based on an output voltage; a mode pulse signal generator configured to generate a mode pulse signal having a signal whose time period is based on at least one of an input voltage, a difference between an input voltage and the output voltage, and a difference between an input voltage and a voltage proportional to the output voltage; a first delayed signal generator configured to generate a first delayed signal having a pulse whose rising edge or falling edge is delayed for a first delay time from a rising edge or a falling edge of the pulse of the PWM signal; and an output controller configured to control an output part of the buck-boost power supply, based on the PWM signal, the mode pulse signal, and the first delayed signal, the output part comprising: two primary switches that are each an N-type transistor; a boost capacitor for driving the high-side switch of the primary switches; and two secondary switches that are each a transistor, wherein the output controller controls switching of the output part so that a first time period during which the high-side switch of the primary switches is off and the low-side switch of the primary switches is on is longer than or equal to the first delay time. | 2016-02-04 |
20160036333 | METHOD AND APPARATUS FOR SENSING MULTIPLE VOLTAGE VALUES FROM A SINGLE TERMINAL OF A POWER CONVERTER CONTROLLER - A controller includes a switching control coupled to switch a power switch of a power converter to regulate an output of the power converter. A sensor is coupled to receive a signal from a single terminal of the controller. The signal from the single terminal is representative of a line input voltage of the power converter during at least a portion of an on time of the power switch, and an output voltage of the power converter during at least a portion of an off time of the power switch. The switching control is responsive to an output of the sensor, and includes a first current source, an internal voltage supply coupled to the first current source, and a buffer circuit coupled to receive the signal from the single terminal. The first current source is coupled to supply a first current to the buffer circuit. | 2016-02-04 |
20160036334 | ELECTRONIC APPARATUS, POWER SUPPLY AND POWER CONTROL METHOD THEREOF - An electronic apparatus including a power supply, the power supply including: first and second switches configured to perform a switching operation in response to a control signal; a transformer including a primary winding which is provided with a tap and a secondary winding to which voltage from the primary winding is induced, and configured to operate at least a portion of the primary winding to apply a voltage to the secondary winding in response to the switching operation of one of the first switch and the second switch; and a controller configured to output a control signal so that one of the first switch and the second switch can perform the switching operation in accordance with an operation mode of the electronic apparatus. | 2016-02-04 |
20160036335 | RECTIFYING AND SMOOTHING CIRCUIT, POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS - A rectifying and smoothing circuit includes: a rectifying circuit, including four rectifying elements, for rectifying an AC voltage of an AC voltage source; a smoothing circuit for smoothing the voltage rectified by the rectifying circuit; a filter circuit connected between the rectifying circuit and the smoothing circuit; and a first rectifying element, connected between the rectifying circuit and the filter circuit, shorter in reverse recovery time than the four rectifying elements. The first rectifying element is connected between a first output terminal of first and second output terminals of the rectifying circuit and a positive terminal of the smoothing circuit through the filter circuit, the first output terminal being capable of outputting a higher voltage than the second output terminal. | 2016-02-04 |
20160036336 | SYSTEMS AND METHODS FOR REDUCING ELECTROMAGNETIC INTERFERENCE BY ADJUSTING SWITCHING PROCESSES - System and method for regulating a power conversion system. An example system controller for regulating a power conversion system includes a signal generator and a driving component. The signal generator is configured to receive a feedback signal associated with an output signal of a power conversion system and a current sensing signal associated with a primary current flowing through a primary winding of the power conversion system and generate a modulation signal based on at least information associated with the feedback signal and the current sensing signal. The driving component is configured to receive the modulation signal and output a drive signal to a switch based on at least information associated with the modulation signal. | 2016-02-04 |
20160036337 | SWITCHING POWER SUPPLY APPARATUS - A switching power supply apparatus includes a first series circuit including a third rectifier device and a fourth rectifier device and that is connected between a positive output terminal and a negative output terminal, and a first capacitor a first end of which is connected to a connection node between the third rectifier device and the fourth rectifier device and a second end of which is connected to an end, not connected to the first series circuit, of a first rectifier device or a second rectifier device. The first series circuit and the first capacitor define a snubber circuit. | 2016-02-04 |
20160036338 | SYSTEMS AND METHODS FOR SINGLE ACTIVE BRIDGE CONVERTERS - A single active bridge converter is provided. The single active bridge converter includes a transformer including a primary winding and a secondary winding, a primary side circuit electrically coupled to the primary winding and including an H bridge circuit, and a secondary side circuit electrically coupled to the secondary winding, the secondary side circuit including a switch configured to selectively short the transformer secondary winding. | 2016-02-04 |
20160036339 | INSULATION-TYPE SYNCHRONOUS DC/DC CONVERTER - Asynchronous rectifier controller is provided on a secondary side of an insulation-type synchronous DC/DC converter and controls the synchronous rectifier transistor. A driver circuit controls the synchronous rectifier transistor. A photo coupler connection terminal is coupled to an input side of the photo coupler. An error amplifier amplifies an error between a voltage detection signal according to an output voltage of the DC/DC converter and its target voltage, and to draw a current according to the error from an input side of the photo coupler via the photo coupler connection terminal. | 2016-02-04 |
20160036340 | INSULATION-TYPE SYNCHRONOUS DC/DC CONVERTER - The feedback IC is provided at the secondary side of the DC/DC converter and is coupled to the photo coupler. The error amplifier amplifies an error between a voltage detection signal according to an output voltage of the DC/DC converter and a target voltage, and draws a current according to the error from the input side of the feedback photo coupler via the photo coupler connection terminal. The abnormal detection circuit asserts an abnormal detection signal when an abnormal condition in a secondary side of the DC/DC converter is detected. The protection circuit is coupled to the photo coupler connection terminal, and acts on the feedback photo coupler via the photo coupler connection terminal so that a feedback operation by the error amplifier is invalid and an on-period of the switching transistor is shorten. | 2016-02-04 |
20160036341 | POWER GRID FREQUENCY FLEXIBLE OPERATION SYSTEM AND METHOD USING THE SAME - A power grid frequency flexible operation system is provided. The system comprises a generating unit, which includes a base-load unit and a peak-load unit; a high voltage direct-current (HVDC) transmission unit, which transmits the power generated in the generating unit as direct current (DC) power; and a load, which is supplied with the power generated by the generating unit; wherein the high-voltage direct current (HVDC) transmission unit comprises a converter, which transforms to direct current (DC) power, alternating current (AC) power generated in the generating unit and having a first frequency variation allowance range; an inverter, which is connected to the converter and transforms the direct current (DC) power to alternating current (AC) power having a second frequency variation allowance range, wherein the first frequency variation allowance range is larger than the second frequency variation allowance range. | 2016-02-04 |
20160036342 | POWER CONVERSION DEVICE - Semiconductor switching elements are individually inserted between a plurality of power conversion units provided in parallel with each other through a DC link portion and a DC power supply unit for supplying DC power to each of the power conversion units to restrict the DC power supplied to the respective power conversion units. A control circuit monitors a short-circuit current occurring in each of the power conversion units and turns off the semiconductor switching element connected to the power conversion unit where the short-circuit current flows to stop the power supplied to the power conversion unit. | 2016-02-04 |
20160036343 | SEMICONDUCTOR DEVICE - Converter output terminals of a converter are located adjacent to each other on a first side and an external terminal for external connection of a composite module is located adjacent to the converter output terminal. AC input terminals of the converter are located on a second side. Each of the distances between the converter output terminals and between the converter output terminal and the external terminal is set to a first formation pitch. Each of the distances between the AC input terminals is set to a second formation pitch. The first formation pitch is set to be equal to the second formation pitch. | 2016-02-04 |
20160036344 | THREE-PHASE BUCK RECTIFIER FOR POWER SUPPLIES - A three-phase alternating current (AC) to direct current (DC) converter may include a three-phase AC filter receiving a three-phase AC power supply, a plurality of three-phase current source rectifiers (CSR) connected in parallel with each other and connected to a three-phase AC filter, and an output filter connected to the CSR's to generate a DC output. Each of the CSRs may include six switches and a free-wheeling diode. Each of the three filtered AC inputs from the three-phase AC filter may be connected via a switch of the six switches to selectably send current into a positive line, and each of three filtered AC inputs from the three-phase AC filter may be connected via another switch of the six switches to selectably receive current from a negative line. The free-wheeling diode may have a cathode connected to the positive line and an anode connected to the negative line. | 2016-02-04 |
20160036345 | LOAD DRIVING CIRCUIT AND METHOD THEREOF - In one embodiment, a method of driving a load can include: monitoring an AC input to a rectifier circuit in real-time, where the rectifier circuit can include first and second rectifier circuits, and controlling first and second controllable switches based on a state of the AC input is in a first state. For example, a first state can include the AC input being in a positive half cycle and increasing, or the AC input being in the positive half cycle and decreasing while being at least as high as a predetermined threshold value. The AC input can be used to supply power to a load circuit and an output capacitor via the first rectifier circuit when the AC input is in the first state, where the first rectifier circuit can include a first diode and the second controllable switch. | 2016-02-04 |
20160036346 | ELECTRIC-POWER CONVERSION SYSTEM - The number of constituent components is reduced so as to provide a small-size and inexpensive electric-power conversion system. The electric-power conversion system is provided with an inverter circuit ( | 2016-02-04 |
20160036347 | ELECTRIC-POWER CONVERSION SYSTEM - The number of constituent components is reduced so as to provide a small-size and inexpensive electric-power conversion system. The electric-power conversion system is provided with an inverter circuit ( | 2016-02-04 |
20160036348 | ELECTRIC-POWER CONVERSION SYSTEM - The number of constituent components is reduced so as to provide a small-size and inexpensive electric-power conversion system. The electric-power conversion system is provided with an inverter circuit ( | 2016-02-04 |
20160036349 | LOAD CONTROL DEVICE FOR CONTROLLING A DRIVER FOR A LIGHTING LOAD - A load control device is configured to generate a control signal having a desired magnitude for controlling a load regulation device adapted to control the power delivered to an electrical load. The load control device may comprise a control terminal arranged to provide the control signal to the load regulation device, a communication circuit for generating the control signal, and a control circuit configured to generate an output signal that is provided to the communication circuit. The communication circuit may be characterized by non-linear operation. The control circuit may adjust the magnitude of the output signal in response to the difference between the magnitude of the control signal and the desired magnitude to adjust the magnitude of the control signal towards the desired magnitude. The control circuit may also be configured to determine if an incompatible load regulation device is coupled to the load control device. | 2016-02-04 |
20160036350 | POWER CONVERSION DEVICE AND MOTOR DRIVING DEVICE - The power conversion device includes a power-supply shunt resistor provided between a negative voltage side of a DC power supply and an inverter and phase lower-arm shunt resistors respectively provided between phase lower-arm switching elements of two arms among three arms and the power-supply shunt resistor. The power conversion device detects voltages between connection points of the phase lower-arm switching elements and the phase lower-arm shunt resistors and a negative voltage side of the DC power supply and calculates, on the basis of detection values of the voltages, phase currents flowing to a load device. | 2016-02-04 |
20160036351 | STRETCHABLE TRIBOELECTRIC GENERATOR, STRETCHALBE ELECTRICITY STORAGE DEVICE, AND WEARABLE ELECTRONIC DEVICE - Disclosed herein are a stretchable triboelectric generator, a stretchable electricity storage device and a wearable electronic device. The stretchable triboelectric generator comprises a first stretchable triboelectric generation part comprising a first fabric layer and a first friction layer on the first fabric layer and a second stretchable triboelectric generation part comprising a second fabric layer and a second friction layer on the second fabric layer. The stretchable electricity storage device comprises at least one of a stretchable battery or a stretchable supercapacitor. The stretchable electricity storage device may be connected to the stretchable triboelectric generator and may store electricity generated by the stretchable triboelectric generator. The wearable electronic device comprises the stretchable triboelectric generator, the stretchable electricity storage device and a sensor connected electrically to at least one of the stretchable triboelectric generator or the stretchable electricity storage device to sense vital signs, bio signals, or body's movement changes. | 2016-02-04 |
20160036352 | ASSEMBLY FOR AN ULTRASONIC MOTOR - The invention relates to an assembly for an ultrasonic motor, comprising an actuator body, an actuator retainer that accommodates the actuator body, an actuator bearing, and a friction element driven by the actuator body, wherein there is planar frictional contact between the actuator body and the friction element and the assembly has an optimized tilt axis, about which the actuator retainer and/or the friction element can be pivoted and which is arranged at a distance from the center of gravity of the actuator body and is shifted in the direction of the section of the friction element touched by the actuator body. | 2016-02-04 |
20160036353 | Increased Force Generation in Electroactive Polymers - Methods and systems are provided for combined direct current and alternating current activation of electroactive polymer devices. The combined direct current and alternating current activation may increase force generation compared to activation using direct current alone. For example, a method for actuating an electroactive polymer device may include providing the electroactive polymer device. The electroactive polymer device may include a first electrode and a second electrode electrically coupled to an electroactive polymer. The method may include applying a direct current across the electroactive polymer via the first and second electrodes. The method may include applying an alternating current across the electroactive polymer. The direct current and the alternating current may be effective to cause actuation of the electroactive polymer device. | 2016-02-04 |
20160036354 | ROADWAY RENEWABLE ENERGY GENERATION SYSTEM AND METHOD - A roadway renewable energy generation system and method, that includes a plurality of plunger devices, electrically connected in series, and each plunger device configured to generate a predetermined amount of electricity, through reciprocating linear motion, when actuated by an object; a plurality of grooves formed within a ground surface configured to house the plurality of plunger devices therein, wherein a top portion of each plunger device extends a predetermined distance above the ground surface; a transformer configured to transform the electricity generated by the plurality of plunger devices; and a storage device configured to store the electricity from the transformer. The system is embedded into roadways and parking garages/ramp entrances, for example, to enable electricity generated when each plunger device is depressed as the vehicle tires pass over the roadways to be stored and reused for electric vehicles and power/utility grids. | 2016-02-04 |
20160036355 | ELECTROSTATIC CHUCK DEVICE - Provided is an electrostatic chuck device in which the attachment of particles to the rear surface of a plate-like specimen can be further suppressed by suppressing the generation source of the particles and, furthermore, an effect of cooling the plate-like specimen using a cooling gas can be improved. The electrostatic chuck device is formed by including an electrostatic chuck portion in which an upper surface ( | 2016-02-04 |
20160036356 | Method for Starting a Variable-Speed Electric Motor - The invention relates to a method for starting a variable-speed electric motor, wherein upon detection of locking of the motor shaft a positive torque is applied to the motor shaft, and wherein the positive torque is continuously modified with different frequencies to overcome the locking. | 2016-02-04 |