Abstract: The methods and apparatus described enable automatic configuration, or commissioning, of controller devices and load control devices through a low voltage communication network controlled by one or more controller devices. These methods and apparatus further enable expansion of the load control system by connection of additional loads and or load control devices and or controller devices which will reinitialize the low voltage communication network and automatically reconfigure the controller devices and load control devices connected to the network.

Abstract: Disclosed is an adapter configured to couple an auxiliary battery for use with a portable device. The adapter is configured to house the OEM battery and the auxiliary battery. The power of the auxiliary battery is coupled in parallel to the OEM battery to extend the power capacity of the portable device. The adapter is further configured to isolate non-power contacts of the auxiliary battery from the portable device and from an OEM battery so as to avoid interference with any authentication circuits of the portable device or OEM battery.

Abstract: A power center includes a main body of which a top surface defines a plurality of receiving cavities. A plurality of different standards of adapter sockets is equipped in the main body and each is exposed to one receiving cavity. A power plug connects with the main body through a wire. A plurality of converter modules each includes a plug part and a socket part. The plug parts have different standards for corresponding to the adapter sockets and different countries of wall sockets. The socket parts each is designed in accordance with the standard of the power plug. The converter modules are removably disposed in the receiving cavities respectively by plugging the plug parts in the corresponding adapter sockets, and each can be taken out from the receiving cavity to plug the power plug into the socket part thereof so as to use the power center in different countries.

Abstract: Systems, methods and apparatus for a wireless power transfer are disclosed. In one aspect a wireless power transfer apparatus is provided. The apparatus includes a casing. The apparatus further includes an electrical component housed within the casing. The apparatus further includes a sheath housed within the casing. The apparatus further includes a conductive filament housed within the sheath. The electrical component is electrically connected with the conductive filament. The casing is filled with a settable fluid bound with the sheath to form a structural matrix.

Abstract: The present invention provides a wireless electrical power transmission system and its control method with good thermal stability. Said system, comprising a transmitting coil frequency generating part and a coil frequency phase tracking and feedback part, the transmitting coil frequency generating part composed of a control circuit, a driving circuit and an inverter circuit, the coil frequency phase tracking and feedback part composed of a frequency detection circuit and a phase locked loop circuit, is characterized in that said control circuit is controlled by software to output two opposite control signals, each of which controls opening and closing of a switch tube after passing through the driving circuit to generate high-frequency oscillation in the coil.

Abstract: Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product.

Abstract: A transmit resonator includes at least two loop resonators, disposed in such that the magnetic field produced by each in the near-field zone is substantially orthogonal to that produced by the other at a certain or specific portion of the zone, a power divider configured to split a signal into at least two sub-signals with weighting coefficients, a delay array configured to delay the at least one of the sub-signals and feed each of the sub-signals to each of the loop resonators, and a controller to configure the delay array to control the polarization of the near zone magnetic field. A communication module to receive feedback information from a receiver, to determine the phases of at least two sub-signals to generate a near zone magnetic field optimized for the receiver.

Abstract: An apparatus and a method for wirelessly receiving power, and an apparatus and a method for wirelessly transmitting power, are provided. A wireless power receiver includes a receiving unit configured to wirelessly receive a power, and a controller configured to control a length of a clock signal based on the power. The wireless power receiver further includes a modulator configured to change an impedance based on the length of the clock signal to perform load modulation.

Abstract: Various aspects of the subject technology include a wireless power transmission design based on extended range near-field resonance coupling induction, where magnetic near-field range may be extended by several orders of magnitude. One element that may help to accomplish the near-field extension, in one aspect, is the addition of a transformational magnetic lens to the transmitter. The magnetic lens may be made of metamaterials with refractive index of for example, ?1. It may recover and collimate the near-field evanescent, magnetic flux, effectively extending the near-field coupling distance by several orders of magnitude.

Abstract: Disclosed is a signal coupling apparatus for power line communication, the apparatus comprising a housing centrally formed with a groove to pass a power line there through, and a non-contact interface unit accommodated inside the housing to induce a power signal or a power line communication signal from the power line using an electromagnetic induction.

Abstract: A method for adjusting reactance includes an adjustable reactance generator including a comparator receiving an input sinusoidal waveform and outputting a square wave that retains the frequency and phase of the applied sinusoidal waveform. The reactance adjustment is generated using a power switching circuit that receives the square wave from the comparator as a control signal and outputs a square wave that retains the frequency and phase of the applied sinusoidal voltage waveform, an adjustable power supply that adjusts the amplitude of the square wave output by the power switching circuit, and an amplitude detector that controls the output level of the adjustable power supply. The power switching circuit output, when converted to a sinusoid, provides the effect of an adjustable reactance.

Abstract: A power-transmission-unit-side resonant circuit includes a resonant capacitor connected in series with a power transmission coil and a power-reception-unit-side resonant circuit including a resonant capacitor connected in series with a power reception coil resonate with each other to cause sympathetic vibration. This allows power to be transferred using two kinds of coupling via the magnetic field and the electric field between the power transmission coil and the power reception coil. Also, operation is performed at a switching frequency that is higher than a specific resonant frequency of the entire multi-resonant circuit, such that a ZVS operation is performed. As a result, a switching loss is reduced by a large amount and a highly efficient operation is performed thus enabling a power transfer system with a reduced size and an increased power conversion efficiency to be provided.

Abstract: The invention relates to an inductive contactless energy and data transmission system (1) having a primary-side coil arrangement and a secondary-side coil arrangement, the primary-side coil arrangement and secondary-side coil arrangement each having at least one coil (3, 7) for energy transmission and at least one coil (4, 6) for data transmission, characterised in that the primary-side and secondary-side coils for energy transmission are in the form of coils (3, 7) which each have a single winding direction, and in that the coils (4, 6) for data transmission are coil arrangements which each have at least two coil fields (4a, 4b, 4c, 4d).

Abstract: A circuit for providing a dummy load includes first to fifth resistors, a comparator, and first to fifth electronic switches. When a power good signal from a power supply is at a low level signal, the first electronic switch is turned off. The second to fourth electronic switches are turned on. The fifth electronic switch is turned off. When the power good signal from the power supply is at a high level signal, the first electronic switch is turned on. The second to fourth electronic switches are turned off. The fifth electronic switch is turned off.

Abstract: An identification circuit is connected between a universal serial bus (USB) interface, and each of a controller and a power management unit (PMU). The identification circuit includes first to fourth electronic switches. When a power adapter is connected to the USB interface, the negative data pin of the USB interface is floating. The first and fourth electronic switches are turned off. The second and third electronic switches are turned on. Power from the power adapter is transmitted to the second power pin of the PMU. When the USB interface is connected to a computer, the negative data pin of the USB interface outputs a low level signal. The first and fourth electronic switches are turned on. The second and third electronic switches are turned off. Power from the computer is transmitted to an electronic device with the USB interface.

Abstract: An exemplary embodiment of the present disclosure illustrates a transmission cable including a first port, a second port, a third port and a plurality of conduction wires. Through each respective one of the plurality of conduction wires, a power pin of the third port is connected to power pins of the first port and the second port, a ground pin of the third port is connected to a ground pin of the first port, and a specific pin of the third port is connected to a metal shielding case or the ground pin of the second port. The second port is floating when the specific pin of the third port is connected to the metal shielding case. Therefore, the stability of a transmission system established through the transmission cable can be guaranteed.

Abstract: According to one embodiment, there is provided an inrush current suppression apparatus that suppresses an inrush current generated when shunt capacitors are connected to a power system, the apparatus including a voltage measurement unit measuring power source voltages, a current measurement unit measuring circuit breaker currents, a polarity determination unit determining the polarities of residual voltages, a phase section detector detecting a phase section in which the polarities of the residual voltages match the polarities of the power source voltages, and a circuit breaker closing unit closing the circuit breaker within the phase section.

Abstract: A power saving circuit for an electronic device is disclosed. The power saving circuit includes a direct-current (DC) power supply, a sensing unit, and a control unit. The DC power supply is used for providing a DC current. The sensing unit, coupled to the DC power supply, is used for detecting the DC current and operating to generate a voltage signal according to the DC current. The control unit, coupled to the sensing unit, is used for determining whether a system circuit of the electronic device has a light load or a heavy load and generating an enable signal.

Abstract: An electric switching device for a low voltage circuit includes an electronic unit configured to be operatively connected to a first communication bus implementing a first communication protocol, a communication module configured to be operatively connected to the first communication bus and to a second communication bus implementing a second communication protocol, which is different than the first communication protocol. The communication module is configured to place the first communication bus in communication with the second communication bus, and to detect a condition of the switching device and make it available externally thereto by means of the first communication bus and/or the second communication bus.

Abstract: A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a coil that is configured to reciprocate relative to the magnetic stator assembly or to linearly translate in a common direction relative to the magnetic stator assembly. The electromagnetic actuators are coupled to the linear-to-rotary converter and upon reciprocation or linear translation, drive the linear-to-rotary converter in rotary or linear motion. The device may be located inside a wheel, which may be part of a vehicle. If part of a wheel of a vehicle, the device can be used to provide propulsion, steering, braking, and suspension for the vehicle.

Abstract: An electromechanical generator for converting mechanical vibrational energy into electrical energy. The electromechanical generator has a housing and an electrically conductive coil assembly movably mounted in the housing. The coil assembly has radially inner and outer sides, and upper and lower edges. A mount for the coil assembly extends inwardly of the radially inner side for mounting the coil assembly for linear vibrational motion along an axis. A first biasing device is mounted between the housing and the mount to bias the electrically conductive coil assembly in opposed directions along the axis towards a central coil position, a magnetic core assembly is movably mounted in the housing for linear vibrational motion along the axis, and a second biasing device is mounted between the housing and the magnetic core assembly to bias the magnetic core assembly in opposed directions along the axis towards a central magnet position.

Abstract: A system and methods for generating electricity through a commensal relationship between a moving object and a generation unit. A generation unit includes a generation unit magnet positioned to pass through an induction coil. In certain embodiments, a moving magnet associated with a moving object attracts the generation unit magnet and, accordingly, causes the generation unit magnet to pass through the induction coil. The passage of the generation unit magnet through the induction coil generates electricity.

Abstract: An electric motor has a stator in which an armature is disposed. The armature has a shaft. One of the stator or the armature includes a lamination stack having slots in which magnet wires are wound, the magnet wires having a coating of heat activated adhesive. There is further provided plastic molded around the magnet wires with heat of the plastic activating the heat activated adhesive on the magnet wires during molding of the plastic to bond the magnet wires together.

Abstract: A motor drive device employed, for example, in an electric power steering apparatus for vehicle, achieves a reduction not only in size but also in vibration and noise at the same time. At least one of a motor drive control unit (30) and a motor (10) is provided with at least two screw holes (53) for fixation to a gear (speed reducer) of an electric power steering apparatus. Let L1 be a maximum value of a distance between center points of the screw holes (53) and L2 be a distance between an end face (D) of a stator iron core (12) in an axial direction on a farther side from the gear and an attachment surface (C) attached to a gear side, then a value of L1 is equal to or greater than a value of L2.

Abstract: A molded structure according to the present invention is formed from a molding resin which includes at least a thermosetting resin, a thermoplastic resin, and an electrically insulating inorganic filler subjected to a surface treatment with a coupling agent, and which contains the coupling agent in an amount 0.5 times to 2 times the amount of the coupling agent necessary to cover the total surface area of the inorganic filler. Thus, the adhesion is improved between the resin and the inorganic filler in the molding resin, and a molded structure can be achieved which has a high thermal conductivity and high dimensional stability.

Abstract: A mold structure according to the present invention is formed from a molding resin including at least a thermosetting resin, an electrically insulating inorganic filler containing at least a metal hydrate, and a dispersant. Thus, it is possible to improve the dispersibility of the inorganic filler in the molding resin, and increase the filling property and fluidity of the inorganic filler. As a result, the molding resin which has a high thermal conductivity and excellent moldability can achieve a mold structure with high radiation performance.

Abstract: A molded motor of the present invention comprises: a stator having a stator core wound with a winding and molded with a molding resin; a rotor including a rotary body having a ferrite resin magnet which is a permanent magnet, disposed in a circumferential direction and confronting the stator, and a shaft penetrating through an axial center of the rotary body; a pair of bearings supporting the shaft; a pair of electrically-conductive brackets securing the bearings; and conductive pins which is connecting parts that electrically connect the pair of brackets. The rotor is provided with a first dielectric layer between the shaft and an outer peripheral surface of the rotary body, and a second dielectric layer between the shaft and the bearings.

Abstract: A rotating electric machine includes a rotor, a stator, formed by stacking perforated-disk-shape stator cores, surrounding the rotor, arranged with a gap from the rotor, a first stator cooling duct to allow the cooling gas to flow from an inner side toward outer side of the stator, a second stator cooling duct to allow the cooling gas to flow from an outer side to an inner side of the stator, a plurality of support plates for supporting the stator and providing sectioning between the first and second flow paths, and a flow control part configured to suppress a flow of the cooling gas passing through the gap part where the outer end part of the stator core and the inner end part of the support plate face each other.

Abstract: A wind power generator has a nacelle; a hub rotatable about an axis of rotation with respect to the nacelle; at least two blades fitted to the hub; an electric machine which is fitted to the nacelle, is bounded by an inner surface extending about the axis of rotation, and has a rotor and a stator; and a cooling system for airflow cooling the electric machine, and which has a deflector body for defining a gap between the deflector body and the electric machine and guiding the airflow into the gap.

Abstract: A generator for a wind turbine is provided. The generator has a rotor rotatably mounted relative to a stator and a support member for stationary mounting the stator. The stator has at least one groove arranged on a surface of the stator that is bounded by a surface of the support member so as to form at least one duct for conducting a coolant.

Abstract: A cooling system for an electrical machine is produced in the form of an extruded profile and has a plurality of webs which run in the direction of the extrudate of the extruded profile. Each web separates two adjacent cooling channels of the cooling jacket from one another. The cooling channels of the cooling jacket form a meandering cooling system. Passages of the cooling system which run perpendicular to the webs are formed by in each case one cutout in each of the webs at one of the end faces of the cooling jacket or by cutouts in end plates which are attached to the end faces of the cooling jacket.

Abstract: An electric motor including a housing; an output shaft stuck out from an end face of the housing; an air purge device having an inner circumferential surface and a mounting surface, the inner circumferential surface surrounding an outer circumferential surface of the output shaft, the mounting surface is mounted on the end face of the housing, the air purge device being configured to supply air to a clearance between the inner circumferential surface and the outer circumferential surface of the output shaft; and a fastening part fastening the air purge device to the end face of the housing in a detachable manner. The housing and the air purge device respectively having fitting parts at which the housing and the air purge device are fitted to each other when mounting the air purge device to the end face of the housing.

Abstract: A resistor pack assembly includes a first mounting plate, a second mounting plate, a cylindrical suppression resistor, and a cylindrical cover. The first mounting plate has a circular face, a first connection terminal, and a second connection terminal. The second mounting plate has a circular face, a third connection terminal and a fourth connection terminal. The cylindrical suppression resistor has a first flat surface and a second flat surface opposite the first flat surface, and is located between the first mounting plate and the second mounting plate, wherein the first flat surface contacts the circular face of the first mounting plate and the second flat surface contacts the circular face of the second mounting plate. The cylindrical cover has an inner diameter aperture, wherein the first mounting plate, the second mounting plate, and the cylindrical suppression resistor are located within the inner diameter aperture of the cylindrical cover.

Abstract: A method of making an electric motor includes installing a plurality of hairpin coils in a plurality of slots, wherein the plurality of hairpin coils comprise a first hairpin coil and a second hairpin coil, the first hairpin coil comprising a first end and the second hairpin coil comprising a second end. The method further includes inserting the first and second ends into a void of an electrically conductive coupler to electrically connect the first and second ends; and placing the insulation cap over the coupler so as to protect the coupler from contacting other electric conductive materials.

Abstract: An electric motor furniture drive for a piece of furniture having at least one furniture part. The electric motor furniture drive includes a control unit, at least one adjustment drive, and at least one operating unit configured as a multifunction operating part connected via an adapter device to the control unit.

Abstract: A motor includes a stationary unit and a rotary unit. The stationary unit includes a stator, a base portion having at least one hole, and a flexible wiring substrate. The flexible wiring substrate reaches a position higher than a lower surface of the base portion through at least one hole and is arranged to supply electric power to the stator. The flexible wiring substrate includes a connection portion arranged higher than the lower surface of the base portion and connected to the stator. The connection portion includes a solder portion arranged on a lower surface thereof to cover a portion of a lead wire extending from a coil of the stator. At least a portion of the solder portion is positioned within the hole.

Abstract: There is provided a drive-device-integrated rotating electrical machine, in which a radially protruding portion (35,39) is provided radially on at least one of a housing (17) and a heat sink (29) which constitute a storing section (22) of the drive device (8); an opening portion (36) is formed on at least one of the radially protruding portion (35); a connector section (34) is attachably/detachably attached onto the opening portion (36); and a connector-connecting portion (46) for electrically connecting the connector section with the drive device is provided in the vicinity of the opening portion.

Abstract: An electric motorcycle includes an electric driving unit including an electric motor and a power transmission mechanism, and is configured to halt supplying of electric power to the electric motor for at least a period in the stopped state. A starting assist method is executed in the electric motorcycle. The starting assist method comprises the steps of activating the electric motor and rotating a rotor by itself to store rotation energy in the rotor, keeping the rotation energy stored in the rotor in the step of storing the rotation energy, in a stopped state of the electric motorcycle, and transmitting the rotation energy of the rotor kept in the step of keeping the rotation energy to the rear wheel as starting assist power.

Abstract: An auxiliary propulsion system includes a case for connection to at least one input or output device, a first flange associable with a power input, a power drive shaft with a first end placed substantially in a position corresponding to the first flange and a second end opposite the first end, a second flange in one piece with the second power drive shaft placed in a position corresponding to the second end, an electric motor connected to the second flange, a clutch including a first disc assembly rotating as a unit with the first flange, a second disc assembly rotating as a unit with the power drive shaft, elements to engage the first disc assembly with the second disc assembly. The elements include a piston to compress the first and second disc assemblies and make them rotate as a unit, the piston being connected to at least one centrifugal weight.

Abstract: A dynamoelectric machine flange having: a base section having a substantially open circumferential shape, the base section including: a radially facing inner surface; a radially facing outer surface; and at least one slot extending axially through a portion of the base section; and a neck portion extending axially from the base section.

Abstract: An apparatus (structure) is provided to support a superconductor winding (61) of an electromotive machine. An assembly (110), such as a cradle, may define a recess to receive the superconductor winding. An elongated loop (74) provides radial support to the winding. Loop 74 may be made of a material resistant to heat flow, such as a fiber-reinforced polymer (FRP) material. Assembly (110) may be arranged to support elongated loop (74) at a distal end (78) of the loop. A base assembly (130) may be arranged to anchor the elongated loop at a proximate end (76) of the loop. A support structure 120 may be arranged to provide tangential load support to the assembly.

Abstract: The stator is formed by a pack (10) of stacked magnetic laminations (12), each of which has a central opening (14) and a plurality of peripheral holes (18), in such a way that the overlapping of identically shaped holes (18) in the laminations (12) defines respective passages through the pack (10). The faces of the laminations (12) are substantially flat and retaining means are associated with the holes (18) in an end lamination (12a) of the pack (10), these means protruding into the openings of the respective holes (18) in the end lamination (12a) without interfering with the other laminations (12) of the pack (10).

Abstract: A rotating electromechanical apparatus includes a cylindrical ironless stator coil comprising a plurality of wires, a magnetic rotor arranged with the stator coil, wherein the magnetic field flux associated with the rotor interacts with the stator coil wires by electromagnetic induction, a cylindrical bobbin arranged to support the wires, a strand woven on at least the outer circumference of the wire-wrapped cylindrical bobbin, and a curable potting material potting the wires, bobbin and strand to provide an ironless composite stator coil when cured.

Abstract: A rotor with a first rotor core, a second rotor core, a field magnet, and an interpole magnet is provided. The first rotor core has a first core base and a plurality of first nail-shaped magnetic pole parts that extend in the axis direction from the outer circumference section of the first core base. The second rotor core has a second core base and a plurality of second nail-shaped magnetic pole parts that extend in the axis direction from the outer circumference section of the second core base. The field magnet is magnetized along the axis direction and makes the first nail-shaped magnetic parts function as first magnetic poles and the second nail-shaped magnetic parts function as second magnetic poles. The interpole magnet is arranged between the first nail-shaped magnetic parts and the second nail-shaped magnetic parts. The interpole magnet has the same polarity as the first and second nail-shaped magnetic pole parts, in the sections where same face the first and second nail-shaped magnetic pole parts.

Abstract: A permanent magnet rotary machine includes a rotor and a plurality of circumferentially spaced permanent magnets spaced circumferentially about a rotational axis of the rotor. A stator is positioned adjacent the rotor, and includes a plurality of circumferentially spaced U-shaped cores. The U-shaped cores are provided with a separate coil. The cores are arranged such that at least three phases of electric power are created by three sets of the cores.

Abstract: A U phase winding, an X phase winding, a V phase winding, a Y phase winding, a W phase winding, and a Z phase winding are configured by mounting conductor wires so as to alternate repeatedly between 5?/6 short-pitch windings and 7?/6 long-pitch windings, and are mounted into the stator core in that order so as to be stacked sequentially in a radial direction so as to be offset by one slot each in a first circumferential direction.

Abstract: A winding assembly for an electric generator includes a stator core having a relatively cylindrical inner shape. Also included is a rotor core coaxially rotatable within the stator core, wherein the rotor core includes an input shaft. Further included is a rotor winding support structure on the rotor core and comprising a surface disposed at an angle relative to the input shaft and extending radially outward from the input shaft toward the stator core. Yet further included is a rotor winding bundle disposed along, and supported by, the surface of the rotor winding support structure.

Abstract: A rotating electrical machine includes a stator with an iron core having a plurality of slots and a stator winding configured by connecting a plurality of segment conductors each formed by a rectangular wire including an end portion and an insulating film; and a rotator that faces the stator through a gap, wherein the conductor includes a portion coated with the insulating film and a peel-off portion from which the insulating film is peeled off and has a cross-section smaller than the coated portion, the segment conductor and another segment conductor are bonded to each other outside the slots so as to bring at least parts of the peel-off portions as bonding faces into contact with each other, at least one segment conductor of the bonded segment conductors includes a straight portion that is formed in a linear shape in an axial direction and an arc portion.

Abstract: A stator of a rotating electric machine includes: a plurality of teeth having a same shape are arranged in a radial direction toward a rotary shaft core with base ends thereof being coupled to a core back in a ring shape; a slot formed between the adjacent teeth; a flange portion formed projecting to opposite sides of apical ends of the teeth; a slot inlet formed between the adjacent flange portions; a winding area formed around each teeth; and a wire wound via an insulator having a same shape in each winding area. A first wire is wound around first teeth provided alternately, and a second wire is wound around second teeth put between the first teeth, and the first wire and the second wire are wound in a different shape in a sectional shape of opposing portions.

Abstract: In an expansion sheet for a rotary electric machine that has a thermal expansion property and is to be arranged between a core and a coil conductor in a slot in the rotary electric machine, in which the coil conductor is housed in the slot formed in the core, the expansion sheet has a first surface and a second surface and includes: a first surface-side portion; and a second surface-side portion that is closer to the second surface than the first surface-side portion, wherein an amount of volume increase, caused by heating, of the first surface-side portion is higher than an amount of volume increase, caused by the heating, of the second surface-side portion.