Abstract: A method includes: (a) receiving identification information of a power storage device that is connected to a charging device, and a value indicating the state of a storage battery included in the power storage device, from at least one of the charging device and the power storage device; (b) associating to each other and storing the identification information of the power storage device and the value indicating the state of the storage battery; (c) prior to charging of the power storage device by the charging device being started, determining the possibility of charging the power storage device by comparing the received value indicating the state of the storage battery with a value indicating a past state of the storage battery that is stored and corresponds to the received identification information of the power storage device; and (d) transmitting information indicating the determined possibility of charging the power storage device to at least one of the charging device and the power storage device.

Abstract: A method for outputting a charging current is provided. When a power amplifier is connected to a device, the power amplifier acquires recognition information from the device. The power amplifier determines the type of the device according to the foregoing recognition information, and selects, according to the type of the device, a current to output. The power amplifier outputs the selected current to the device, in which the current is used to charge the device.

Abstract: Disclosed is a portable device for aiding low temperature high power output of a battery pack, the device including a primary loop and a control unit, in which: the primary loop is configured as a working loop of the battery pack and comprises a power resistor, herein two ends of the power resistor are electrically connected with the positive/negative terminal of the battery pack respectively, and the battery pack discharges at low temperatures through the power resistor so that an internal temperature of the battery pack rises; and the control unit is configured to control on/off of the primary loop.

Abstract: A method to control storage into and depletion from multiple energy storage devices. The method enables an operative connection between the energy storage devices and respective power converters. The energy storage devices are connectible across respective first terminals of the power converters. At the second terminals of the power converter, a common reference is set which may be a current reference or a voltage reference. An energy storage fraction is determined respectively for the energy storage devices. A voltage conversion ratio is maintained individually based on the energy storage fraction. The energy storage devices are stored individually with multiple variable rates of energy storage through the first terminals. The energy storage is complete for the energy storage devices substantially at a common end time responsive to the common reference.

Abstract: A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.

Abstract: The present disclosure relates to a charger (1, 101, 201) for wirelessly charging a cellular telephone (T). The charger (1, 101, 201) comprises a housing (9, 109, 209) for receiving a portion of the cellular telephone (T), and a charging panel (7, 107, 207) comprising means (30) for wirelessly charging the cellular telephone (T). The charging panel (7, 107, 207) is movably mounted C to the housing (9, 109). The charging panel (7, 107, 207) is movable between a non-charging position and a charging position.

Abstract: In one example an electronic device comprises at least one sensor to detect a remote power source and a controller comprising logic, at least partly including hardware logic, to determine an input power parameter at a wireless charging device, generate a signal in response to the input power parameter, and forward the signal to an actuator device. Other examples may be described.

Abstract: An electronic device and an operation method thereof according to various example embodiments wirelessly receive detection power for detecting the electronic device, and put a limitation on storing the power.

Abstract: Methods are provided herein for orientation-independent, wireless charging of devices. The methods disclosed herein comprise transmitters and at least one receiver to transmit power wirelessly. The methods described herein comprise generating rotating magnetic fields to induce an electric current in a device.

Abstract: Systems and methods for free device placement for wireless charging are described. In some embodiments, an Information Handling System (IHS) may include a processor; and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: determine that the IHS is placed in a position on a wireless charging pad such that the wireless charging pad cannot provide power to the IHS above a minimum threshold value; request that the wireless charging pad provide fringe power to IHS without repositioning the IHS on the wireless charging pad, wherein the fringe power is smaller than the minimum threshold power level; and use the fringe power to indicate a problem or error to a user.

Abstract: It is described a method and related system for transferring electric energy from an electric energy source to a load to be electrically supplied. The method and related system allow to store electric energy from an electric energy source and supply a load using at least one capacitor and at least one rechargeable battery in which, during the step of charging, the method, related to the availability of the electric supply, can choose to charge sequentially or simultaneously said at least one capacitor and said at least one rechargeable battery. During the step of discharging, the method supplies the load using sequentially electric energy stored in said at least one capacitor and after that in said at least one rechargeable battery.

Abstract: A method of charging a battery of electric accumulators from the electric energy supplied by an electric generator, wherein the battery is chary to a first maximum state-of-charge in a first operating mode and to a second maximum state-of-charge, lower than the first maximum state-of-charge, in a second operating mode. The method includes switching from the first mode to the second mode when a first condition relative to the day length, or to the variation of the day length, is fulfilled and comprises switching from the second mode to the first mode when second conditions are fulfilled, the second conditions including determining that the day length becomes shorter than a first duration threshold and determining that a criterion determined from the environmental conditions of the electric generator or of the battery is fulfilled.

Abstract: A power supply system may comprise a plurality of input buses and an output bus. A plurality of multi-input power supplies may be disposed between the plurality of input buses and the output bus. The plurality of multi-input power supplies may be configured to supply a predetermined amount of power to the output bus before and after a failure event. The failure event may comprise at least one of the following: a failure of a one of the plurality of multi-input power supplies and loss of power on one of the plurality of input buses. Each input to the power supply may include an independent power section to support near or full output power in the event of another input power loss. Any input line loss from an independent power bus/grid may provide line redundancy to the power supply and to the power system as an Uninterruptable Power Supply.

Abstract: A wireless power transmitter is provided which performs communication with a wireless power receiver through multiple slots. The wireless power transmitter comprises: a power converter consisting of at least one coil to convert a current into a magnetic field; and a power transmission controller that receives information associated with a power transfer phase from the wireless power receiver through at least one of the multiple slots, during the transfer of power to the wireless power receiver through the power converter, wherein the information associated with the power transfer phase contains a slot number assigned to the wireless power receiver.

Abstract: A contactless electric power supply device includes: a supply coil provided on a supply side device; a high frequency power source circuit that applies high frequency voltage to the supply coil; a receiver coil provided on a receiver side device that is arranged facing the supply side device, the receiver coil receiving high frequency electric power by contactless electric power supply via electromagnetic coupling with the supply coil; a receiver circuit that converts the high frequency electric power received by the receiver coil and supplies power to an electric load of the supply side device; and a supplementary coil provided on the supply side device, the supplementary coil interlinking with at least a portion of a magnetic circuit that electromagnetically couples the supply coil and the receiver coil.

Abstract: An electronic module is provided. The electronic module comprises an inductor having a magnetic body with a coil encapsulated in the magnetic body and a substrate having electronic devices thereon, wherein a first electrode is disposed on a top surface of the magnetic body and a second electrode is disposed on a lateral surface of the magnetic body, wherein the top surface of the inductor and the bottom surface of the substrate are configured side by side and electrically connected to each other, wherein a plurality of third electrodes are disposed on a lateral surface of the substrate, for electrically connecting the electronic module to an external circuit board.

Abstract: The wireless power reception apparatus includes: a duty controller configured to calculate an amount of current of a transmission coil required for the wireless power transmission apparatus and control a duty cycle by using at least one of distance information between the wireless power transmission apparatus and the wireless power reception apparatus or load current information; a power converter configured to convert an effective load resistance according to the duty cycle; a wireless data transmitter configured to transmit a signal that requires a control of the calculated amount of current of the transmission coil to the wireless power transmission apparatus; and a reception resonator configured to receive a power according to the amount of current of the transmission coil controlled by the signal that requires a control of the amount of current of the transmission coil from the wireless power transmission apparatus.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: A wireless power system for powering a television includes a source resonator, configured to generate an oscillating magnetic field, and at least one television component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive power from the source resonator via the oscillating magnetic field when the distance between the source resonator and the at least one device resonator is more than 5 cm, and wherein at least one television component draws at least 10 Watts of power.

Abstract: Disclosed is an ultrasonic short-range wireless power transmission system comprising: an ultrasonic transmission transducer configured to transmit power, wherein the ultrasonic transmission transducer comprises: a converter configured to convert power received from an external power source; a controller configured to control power of a modulator and power of an amplifier; a communication unit configured to communicate with an external reception transducer; a sensor configured to sense ultrasonic waves transferred from an ultrasonic wave emission region; the modulator electrically connected to the controller and configured to generate a signal for ultrasonic short-range wireless power transmission; and the amplifier configured to amplify a modulation signal generated by the modulator and convert the modulation signal into power; and one or more transmission modules configured to receive the power from the amplifier and convert an electrical reception signal into ultrasonic waves.

Abstract: Among other things, in general, methods of increasing transfer efficiency in a power link are described, as well as power links implementing such methods. Methods of dynamic charging are also described. Applications of such methods and power links include the charging of portable electronic devices as well as implantable medical devices.

Abstract: A wireless power transmission device and a method for controlling the same are provided. The method includes receiving a charging request from an external apparatus using radio communication, determining a direction in which the external apparatus is positioned, determining a distance between the wireless power transmission device and the external apparatus, and transmitting an ultrasonic signal to the external apparatus based on the direction in which the external apparatus is positioned and the distance between the wireless power transmission device and the external apparatus.

Abstract: A stator includes a stator core has slots that are each provided between stator teeth disposed on the stator core. The insulation paper is disposed in the slot between the coil and the stator core defining the slot has a recess at a position adjacent to connection parts between side walls and a bottom wall of the insulation paper. The recess extends so as to be apart from the connection parts in one of a radial direction and the circumferential direction. The insulation members include a projection that is configured to be disposed inside the recess.

Abstract: A stator in which stator coils are formed by a plurality of unit coils arranged so as to be shifted from each other in the circumferential direction and each having: a first slot-accommodated portion; a second slot-accommodated portion; a first terminal wire extending from the first slot-accommodated portion; a second terminal wire extending from the second slot-accommodated portion and shifted from the first terminal wire by one line of a conductive wire; a terminal-side coil end portion; and first and second anti-terminal-side coil end portions, wherein the first terminal wire and the second terminal wire of the respective different unit coils are joined with each other.

Abstract: A core segment formed by laminating electrical steel sheets, a coupling hole having a lamination direction as its depth is formed in a portion of a yoke piece on a third side in a circumferential direction. An insulator includes a coupling pin protruding toward a second side in the lamination direction, at a portion of a first covering portion on a fourth side. A stator core formed by coupling core segments in a ring shape where the coupling pin of the insulator mounted on the core segment that is to the third side is inserted in the coupling hole of the core segment that is to the fourth side, and where a side surface on the fourth side of the yoke piece being to the third side and a side surface on the third side of the yoke piece being to the fourth side are in contact with each other.

Abstract: There is described a synchronous reluctance machine having a plurality of poles and comprising a stator with a plurality of spaced slots and a rotor. The rotor has one direct axis and one quadrature axis for each pole and comprises a plurality of flux barriers, each extending to a circumference thereof at least one barrier point. Successive angular separations between barrier points around the circumference of the rotor increase or decrease when moving around half a pole pitch from an initial axis to an adjacent finishing axis, the initial axis being one of a direct axis or a quadrature axis and the finishing axis being the other of a direct axis and a quadrature axis. The increase or decrease in size may be governed by a systematic progressive series.

Abstract: An electric machine may include a plurality of sections each having permanent magnets arranged therein to form magnetic poles. The laminations may be stacked to form a rotor. A stator may surround the rotor. A non-magnetically permeable layer may be interposed between at least one adjacent pair of the sections that has skewed magnetic poles.

Abstract: An electric machine may include an adjacent pair of laminations each defining pockets having permanent magnets arranged therein to form magnetic poles. The laminations may be stacked in a pole-skewed fashion to form a portion of a rotor. A stator may surround the rotor. The machine may further include a separator lamination between the adjacent pair defining cutout portions having a shape based on a superposition of shapes of the pockets to increase a reluctance of leakage paths between the permanent magnets.

Abstract: A rotor capable of preventing a magnet or a cover tube from being damaged by contacting a mold of an injection machine during production. The rotor includes a rotor core, a plurality of magnets arranged on the outside of the rotor core in the radial direction, a cylindrical cover tube surrounding the plurality of magnets, and resin charged to a gap defined between an outer peripheral surface of the rotor core and an inner peripheral surface of the cover tube. An axial dimension of the rotor core is greater than an axial dimension of each magnet, and an axial dimension of the cover tube.

Abstract: An integrated direct drive motor system for industrial use includes an outer rotor motor axially aligned with, and coupled to, a rotating drum, with no transmission or clutch mechanism between the two so that the drum is effectively an extension of the outer rotor of the motor. An adapter coupler attaches to the motor and the drum to allow the motor to directly drive the drum. In one exemplary embodiment, a flexible curtain is spooled vertically by the drum to control an industrial high-speed roll-up door. In another exemplary embodiment, an endless-loop belt is driven by a horizontally-oriented drum to control an industrial conveyor system. Various embodiments of the integrated direct drive motor system and various method of operation are disclosed.

Abstract: 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.

Abstract: A protection system for an electrical machine includes a first connecting line for connecting an internal space of the electric machine to an external space surrounding the electrical machine, a valve, and a filter which is impermeable to dust. The valve and the first connecting line are configured to render the first connecting line impassable when the valve is closed, and to enable a first gaseous medium to enter the internal space from the external space when the valve is open. The filter is configured to filter the first gaseous medium that enters the internal space from the external space through the first connecting line.

Abstract: Provided is a brushless direct current (BLDC) motor applied to a fuel pump for a motor vehicle, and more particularly, a BLDC motor of a fuel pump for a motor vehicle in which an end of a shaft of a rotor is coupled to a stator side to be rotated such that a length of the shaft is reduced.

Abstract: Top face lands are formed on the top face of a circuit board, and bottom face lands are formed on the bottom face of the circuit board. The top face lands are disposed radially inward of a cylinder part of a cover member, and when viewed from axially above, the top face lands are hidden by the cover member such that they cannot be seen. The bottom face lands are disposed axially above the bottom face of the retaining plate, and do not protrude from the bottom face of the retaining plate. Viewed from the radial direction, a first cutaway is formed in the cylinder part of the cover member. Viewed from axially below, a second cutaway is formed in the retaining plate. When a circuit member is taken out in the radial direction, the circuit member is fastened to the top face lands, via the first cutaway, and when the circuit member is taken out in the axially downward direction, the circuit member is fastened to the bottom face lands, via the second cutaway.

Abstract: An electrical power feed-through system for external energy supply to an electric motor located within a sealed housing, in which one or more motor winding wires of the electric motor are each fed through an electrically insulating sleeve in a portion of an end segment of the motor winding wire, wherein the motor winding wire is enclosed in the segment by the sleeve forming a hermetic seal, and each sleeve has an at least partially conical contact area, which corresponds with an at least partially conical hole that passes through a dividing wall of the housing, into which hole the sleeve is pressed in such a way that the hole is sealed, and the motor winding wire that is fed through the sleeve (17) is fed though the dividing wall (15a).

Abstract: An illustrative embodiment of the present disclosure includes a pump having a rotor and a plurality of vanes. The rotor is attached to a motor that rotates it in first and second directions and is located in a cavity. The plurality of vanes are each pivotally coupled to the rotor so as the rotor rotates, the vanes selectively push fluid from an inlet port out through an outlet port. The plurality of vanes each have an end selected from the group consisting of a lobe, no lobe, and a rod located in the lobe. Each of the plurality of vanes also includes a pivot pin configured to fit in a corresponding receptacle located in the rotor so that each of the plurality of vanes is pivotable with respect to the rotor inside the cavity.

Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion at a first side ahead of the end of the second side of the main body portion, and the end of the second side at the radially inner surface of the connection terminal holding portion is located at the first side ahead of the surface of the second side of the circuit board.

Abstract: A motor includes a bus bar holder with a bottom portion widening from an inner surface of a main body portion to a radially inner side, and protrusion portions extending from the bottom portion toward one side. A wiring member held by the bus bar holder includes circuit board connection terminals electrically connected to one surface of the circuit board. The circuit board connection terminals are arranged in a predetermined direction at one surface of the circuit board. An outer edge of the circuit board is provided with a first notch portion in which one of the protrusions is located. The first notch portion is opened toward any one of a direction from the center axis to the circuit board connection terminal and a predetermined direction, when viewed from one direction.

Abstract: A motor includes a bus bar holder with a main body portion, a connector portion protruding from the main body portion toward a radially outer side, and a connection terminal holding portion protruding from the main body inner surface toward a radially inner side. The main body portion is provided with a seal portion directly or indirectly contacting the cover along a circumferential direction of a center axis. A rib protruding toward a second side ahead of a circuit board is disposed at a surface of a second side of the connection terminal holding portion.

Abstract: A motor includes a rotor with a shaft, a stator, first and second bearings supporting the shaft, a bus bar assembly holding the second bearing, a circuit board, a sensor magnet fixed to the shaft, and a rotation sensor which is attached to the circuit board and faces a direction. The bus bar assembly includes a bus bar and a bus bar holder. The bus bar holder includes a cylindrical main body portion including an opening at a second side. The bus bar includes a coil connection portion that protrudes from an inner surface of the main body portion and is electrically connected to a coil of the stator. The end of the second side of the coil connection portion is located at a second side ahead of a surface of a first side of the circuit board.

Abstract: A motor includes a bus bar assembly including a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a bottom portion, and a first circuit board support portion. The wiring member includes a circuit board connection terminal electrically connected to the circuit board. The circuit board connection terminal includes a contact portion connected to the circuit board, and applies force to the circuit board through the contact portion. The first circuit board support portion is disposed at a region of the bottom portion to define a side at which the circuit board connection terminal is located when viewed from one direction. The first circuit board support portion and the contact portion are located at different positions when viewed from the one direction.

Abstract: A bus bar holder of a motor includes a main body portion, and a connector portion protruding from the main body portion toward a radially outer side and located at a rear side of an axial direction ahead of a housing. The bus bar holder is provided with a seal portion directly or indirectly contacting a cover along a circumferential direction of a center axis. The connector portion includes a connector connection portion that connects the main body portion of the bus bar holder to the connector main body portion. At least a portion of the surface of a front side of an axial direction of the connector connection portion is located at a front side ahead of the seal portion at a radially outer side of the seal portion.

Abstract: A rotor of a rotating motor includes a boss into which a shaft is inserted, a rotor yoke provided on a side of an outer circumference of the boss and formed of a plurality of pole pieces connected into a circular ring shape, and a coupling member made of resin with which the boss and the rotor yoke are integrally molded. Each of the plurality of pole pieces is provided with an injection hole that is bored in an axial direction and into which the resin is injected in the integral molding.

Abstract: A balanced planetary gearbox including an assembly having an input stage and an output stage. The assembly includes two grounds, each with ground rollers and ground rings. The two grounds are fixedly attached to one another. The assembly includes a sun gear and planet sub-assemblies between the two grounds. The planet sub-assemblies include at least one input planet gear and one output planet gear. The sun gear and the input planet gears include rollers. An abutment of rollers in the gearbox keeps the sun gear and the planet gears in alignment. The output gear meshes with an output ring disposed in between the two ground rings, such that a combination of the at least one input planet gears from each of the plurality of planet sub-assemblies provides a structural symmetry to the planetary gearbox.

Abstract: Provided is an electric power generation system with which, when converting energy of a flowing fluid, an electric power generation mechanism is located at a site different from a site that receives the energy of the flowing fluid, with energy transfer system by outer and inner cable.

Abstract: The present invention relates to a variable power transmission device which comprises: a power generator, a front driver module and a rear driver module; a power generator and any one selected from the front driver module and the rear driver module; or a power generator. The variable power transmission device produces a rotational force from a combination of: an induced magnetic field generated by the front driver module; a rotating magnetic field generated by the front driver module and the power generator; a rotating magnetic field generated by the power generator and the rear driver module; and an induced magnetic field generated by the power generator together with the rear driver module, using the power supplied from a power applying driving body or the power supplied from a power receiving driving body, increases the rotational force through acceleration, and transmits the power to the power receiving driving body.

Abstract: The invention relates to a device for converting kinetic energy of a flowing medium to electrical energy, comprising a rotor for placing in the flowing medium and a generator connected to the rotor. The rotor comprises a tube with one or more vanes mounted on the inner side of the tube and extending radially to the centre thereof, wherein the tube is mounted for rotation about a horizontal axis. A length of the tube in horizontal direction amounts here to at least 25% of a diameter of the tube in vertical direction. An outflow part diverging in the flow direction can connect to a rear edge of the tube as seen in flow direction of the medium. The tube can be bearing-mounted in a frame via a central shaft mounted on the inner ends of the vanes. The frame can on the other hand comprise an outer bearing, for instance a stator tube, enclosing the tube. The inner ends of the vanes can then lie at a distance from each other, so leaving clear a central passage.

Abstract: A waste heat recovery system for use with an internal combustion engine, that includes a first heat exchanger and a second heat exchanger; an exhaust conduit for receiving an input of waste exhaust gas flow from the internal combustion engine; a working fluid configured to absorb thermal energy; a heat collecting circuit operatively connected to the first heat exchanger and the second heat exchanger to transfer heat energy from the waste gas exhaust flow to the working fluid. The working fluid is first directed to the second heat exchanger then directed to the first heat exchanger, the first heat exchanger being positioned upstream, with respect to the waste exhaust gas flow, of the second heat exchanger and then to an electrical generation means. The flow of the working fluid is controllable by way of a control module as is the flow of the exhaust gases, in order to optimise both generation of eletrical energy and operation of the engine.

Abstract: Provided is a power generating device which, while having a basic structure of using a rack and a pinion, increases power generating efficiency and has fewer components, has improved durability due to a simplified structure, and can easily be made in smaller sizes. Configuring a guide mechanism using outer walls of a case of a power generating unit as guides and combining the same with rails provided on inner walls of a case of the power generating device distributes unnecessary stress on the power generating unit over the inner walls of the case to obtain effects of achieving an overall small size, reduction in the number of components, and improved durability.