Abstract: In a rotating electric machine, an armature winding includes segmented conductors that include a coil side portion, housed in slots of the armature, and a coil end portion protruding from an armature core on both sides in an axial direction. The coil side portions are housed in the slots so as to form 2N+1 layers in a radial direction. The coil end portion connects two coil side portions respectively housed in the slots that are a predetermined pitch apart in a circumferential direction. The coil end portion includes a first coil end portion connecting the coil side portions of differing layers in the radial direction and a second coil end portion connecting the coil side portions of the same layer. On both ends in the axial direction, any of the plurality of coil side portions that are housed in the slots is connected to the second coil end portion.

Abstract: An electric drive unit that includes an electric motor having motor output shaft and a heat sink that is received therein. The heat sink is comprises of a plurality of discrete heat sink elements that are stacked together and inserted into the motor output shaft. The heat sink elements have central hubs that cooperate to form a coolant supply passage that extends centrally through the heat sink. Each of the heat sink elements defines a plurality of discrete coolant return passages that are relatively shorter in length than the central hubs so that a void annular space is formed between the coolant return passages of adjacent heat sink elements.

Abstract: Power plant having generator with stator and rotor rotating in opposite directions and comprising rotor generator linear gear and stator generator linear gear positioned in opposite directions to one another relatively to generator axis consisting of rotor shaft and stator shaft, rotor generator impeller and stator generator impeller in contact with rotor generator linear gear and stator generator linear gear, and have rotational motion in opposite directions, at least one carrying motor allowing lifting the mechanism up by motor linear gear, sensor groups detecting location of the mechanism, battery and/or power supply and/or electricity grid providing electrical energy for the system, brush-slip ring system and mechanism phase output for drawing out electricity generated in said generator, a control unit controlling accelerating, decelerating and stopping actions of said mechanism of which location is detected by mechanism phase output and sensor groups and carrying motor and motor drive circuit preforming

Abstract: A motor, a compressor and a refrigeration device are provided. The motor has a stator and a rotor. The stator has an annular stator yoke and multiple stator teeth located on an inner side of the stator yoke. The stator teeth are provided at intervals along a periphery of the stator yoke. The rotor is provided in the stator. The rotor has an annular rotor yoke and multiple rotor teeth located on an exterior of the rotor yoke. The rotor teeth are provided at intervals along a periphery of the rotor yoke. A tooth width of the stator teeth is T1 and a width of the stator yoke is T2, and T1 and T2 are defined by 4.8?T2/T1?5.1. A tooth width of the rotor teeth is L1 and a width of the rotor yoke is L2, and L1 and L2 are defined by 6.1?L2/L1?6.3.

Abstract: An in-wheel motor unit provided in a wheel of a wheel unit, includes: a motor having a rotor disposed on a radially outer side of a stator; a brake disposed on an inner side of the motor; and a housing that accommodates the motor and the brake. Further, the housing has a cylindrical partition that radially partitions a space for accommodating the motor and a space for accommodating the brake, the stator is fixed to an outer peripheral surface of the partition, and the brake is disposed on an inner peripheral side of the partition, and a fixing portion included in the brake is fixed to the housing.

Abstract: An automobile steering simulator structure comprising a shell rotor, a coil stator, permanent magnets, a base, a steering wheel, the shell rotor, the coil stator and the permanent magnets form a slice motor, a first cavity is provided inside the base, a front end cover is screwed on a side of the shell rotor away from the base, a second cavity is between the front end cover and the shell rotor, a first PCB board is arranged inside of the first cavity and a second PCB board is arranged inside of the second cavity, a magnetic encoder rotating shaft rotationally installed in middle of the base is arranged between the first and second cavity, a conductive slip ring is arranged outside the shaft, both ends of the conductive slip ring are respectively connected to the first and second PCB board, a position sensor is arranged at bottom of the shaft.

Abstract: Permanent magnet external rotor (1) for an electric motor, comprising a cup-shaped body (2) provided with a bottom (20) and a side wall (21); at least one magnet (3), defining a plurality of poles and fixed inside said cup-shaped body (2); and a metal insert (4), defined by a helical spring fitted around the at least one magnet (3) which forms the closure of a magnetic circuit of the electric motor.

Abstract: An electrical machine for use in an aircraft, including a rotor. The rotor includes a plurality of rotor poles, and a stator including a plurality of phases. Each respective phase occupies at least one elementary block and the at least one elementary block of each phase includes a set of conductors of the respective phase wound around a plurality of slots of the respective elementary block in a concentrated winding configuration. A mechanical shift angle between the respective concentrated windings of each pair of adjacent elementary blocks is greater than a rotor pole pitch. The rotor pole pitch is an angle between adjacent poles of the rotor.

Abstract: A motor vehicle electric motor assembly includes a motor housing having an annular wall extending from a housing first end to an opposite housing second end about a central axis to bound a cavity. The housing first end has a base configured to support a bearing housing. A motor shaft extends along the central axis between a shaft first end and a shaft second end. A rotor is fixed to the shaft for rotation about the central axis. A stator is supported by the annular wall in radially spaced relation from the rotor. A bearing is fixed in the bearing housing to support the shaft first end for rotation about the central axis. An end cover assembly is fixed to the housing second end. The end cover assembly has a motor shaft opening with a periphery of the motor shaft opening supporting the shaft second end for rotation about the central axis.

Abstract: The present disclosure relates to the field of new energy, and provides a three-phase terminal block, a drive assembly, and a vehicle. The three-phase terminal block includes a cylindrical terminal block body and three single-phase terminals each arranged along an axial direction of the terminal block body, wherein the single-phase terminals each are provided with a first terminal portion and a second terminal portion on two ends. The three single-phase terminals are arranged at an outer circumference of the terminal block body to connect terminals of a stator correspondingly, thereby optimizing the wiring layout. In addition, the space formed by the three single-phase terminals can accommodate components, thereby improving the compactness of the structure layout.

Abstract: A power generator or sensor apparatus is provided. Another aspect employs a hybrid triboelectric and electromagnetic generator. In still another aspect, a power generator is used for water wave energy harvesting. A further aspect provides a power generator including an outer housing with an electrical conductor on an exterior thereof, radial overlapping electrodes located within the housing with a dielectric layer between the electrodes, a plate linearly moveable within the housing, at least one magnet affixed to the plate, and at least one spring biasing the plate within the housing. Moreover, an aspect of the present power generator includes a modularized connection configuration to linearly secure together multiples of the housing.

Abstract: It is possible to reduce a rise in temperature of a rotor by reducing the temperature of a stator. The motor 1 includes a stator 5, and a rotor 4, which is disposed with a gap from the stator 5, being arranged in a housing 2, in which the stator 5 is provided with an annular yoke and a plurality of teeth protruding from an inner peripheral portion of the yoke toward the rotor 4; slots in which coils 6 wound around the teeth are arranged are respectively formed between the teeth that are adjacent to each other; a mold resin portion 30 in which the stator 5 and the coils 6 are molded is provided; the mold resin portion 30 includes a flow path 32 formed within at least one slot among a plurality of slots; and the flow path 32 is supplied with a cooling medium.

Abstract: To provide a motor inhibiting emission of electromagnetic noise (EMC) to the outside and a rotary apparatus including the motor. The rotary apparatus of the present disclosure includes: a housing; a motor arranged inside the housing; a circuit board arranged inside the housing and electrically connected to the motor; and a flexible wiring board electrically connecting the motor to the circuit board, the motor including a frame formed with a conductive member, the frame electrically connected via the flexible wiring board to a ground of the circuit board.

Abstract: A stator for an electric machine has a plurality of pins, which are arranged on concentric circles at different distances from a stator center point in slots and each concentric circle forms a layer, wherein four pins in different layers are respectively connected to one another in series and form a winding, a first pin of the winding is located in a first slot in the 4n?1 layer, wherein n is a natural number, a second pin of the winding is located in a second slot in the 4n layer, wherein the second slot is at a first radial distance from the first slot in a first circumferential direction of the stator, a third pin of the winding is located in the first slot in the 4n?3 layer, a fourth pin of the winding is located in the second slot in the 4n?3 layer.

Abstract: An energy storage device is mounted at a horizontal end of a work vehicle for storing energy generated from operation of the work vehicle. The energy storage device includes a stator of an electric machine having a stator axis, a rotor of the electric machine fixed for rotation with a rotating ballast and configured for rotation about the stator axis, a housing disposed around the rotor and configured to contain the electric machine, and a brake configured to absorb kinetic energy of the rotor.

Abstract: An electric motor vehicle traction motor has a motor housing, a liquid-cooled motor stator and a dry running internal motor rotor which is separated fluidically from the motor stator. The motor stator is formed by a stator body with radial stator slots and a plurality of stator coils. The axial phase windings are arranged in the stator slots, and the winding heads of protrude axially out of the stator slots. A slot potted body is made from a potting material and by way of which the stator coil axial phase windings are potted into the stator slots in a fluid-tight manner. The stator coil winding heads are of potting-free configuration and protrude in each case directly into a fluid-tight cooling space. As a result of the omission of a separate split cage, a small air gap is realized and manufacturing costs are reduced.

Abstract: A device has a housing, stators and a rotor with an axis and rotor disks with magnets. Each stator has a printed circuit board with conductive layers laminated together with layers of an insulating material. Each conductive layer has coils that can carry electrical current when connected to an external voltage source. The stators are mechanically coupled to the housing, so the stators react to torque produced by the device. The housing has two end sections and mid-sections where the end sections are mechanically coupled a stator and a ferromagnetic yoke. The mid-sections are mechanically coupled to one or two stators and ferromagnetic yokes. The ferromagnetic yokes are coupled to the stators and to the housing to provide a path for magnetic flux produced by the magnets and a path to conduct heat generated by the stators from the stators to the housing.

Abstract: The present disclosure discloses a vibration device includes a housing with a receiving space; and a vibration unit received in the receiving space, including an elastic support member; a stator fixed to the housing, including one of a coil and a magnet fixed to the housing; a vibrator suspended by the elastic support member, including the other of the coil and the magnet; and a battery suspended by the elastic support member; wherein the coil and the magnet interact to drive the vibrator to vibrate relative to the stator for generating haptic feedback. The vibration device in the present disclosure has higher space utilization rate and lower cost.

Abstract: The motor support (16) comprises an inner ring (20) able to receive an element of the motor and an outer ring (22) able to be fastened to a housing, and a means (24) of decoupling between the two coaxial rings (20; 22) comprising a plurality of pads (46) of elastomer material that are interposed between the inner ring (20) and the outer ring (22). Each pad (46) is substantially “H”-shaped in form. The two arms (46int, 46ext; 461, 462) of the «H» are separated by a distance B. Each arm (46int, 46ext; 461, 462) has a width D measured in the radial direction. The web (46a) of the “H” has a width A measured in the orthoradial direction. The ratio A/B B is greater than or equal to 1.4, and the ratio A/D is greater than or equal to 2.

Abstract: A work vehicle and energy storage device include an electric machine having a stator and a rotor. The rotor is configured to rotate from the flow of electrical current provided to the electric machine, rotate to store energy of the work vehicle, provide a rotor mass to an end of the work vehicle, and generate electrical current for the work vehicle from rotation of the rotor. The rotor mass is greater than a stator mass.