Abstract: A motor includes a flexible variable flow channel arranged in the motor along a heat source distribution direction. The flexible variable flow channel includes a flow channel main body, at least one flexible component module mounted in the flow channel main body, a support body, and a quick adapter. The flow channel main body is configured to store and transfer a heat transferring liquid. The heat transferring liquid is configured to dissipate heat from the heat sources. The at least one flexible component module is configured to change a flow and a flow state of the heat transferring liquid flowing through the at least one flexible component module. The support body is configured to support the at least one flexible component module. The quick adapter is configured to quickly mount the at least one flexible component module. The at least one flexible component module is selected from four structures.

Abstract: A motor with a cooling system is provided. The motor includes a cooling system cooling a stator with coils wound on a core, in which the cooling system includes a plurality of spray pipes having a plurality of holes and spraying oil through the holes, the plurality of spray pipes is positioned between the stator and a housing of the motor, and the plurality of spray pipes includes pipes disposed at a center over the stator and at both sides spaced apart from each other in a circumferential direction of the stator from the center with predetermined gaps therebetween.

Abstract: A cooling-channel integrated motor housing includes a motor housing, a plurality of stator cores press-fitted into the motor housing, and a cooling pipe inserted into the motor housing and disposed in a circumferential direction of a circle along which the stator cores are arranged. The 1cooling pipe is disposed to overlap with the stator cores in a direction perpendicular to a direction in which a rotating shaft of a motor extends.

Abstract: A system and method of active endturn cooling of an electric motor of a vehicle is provided. The method comprises providing a motor having a coolant nozzle and a cam, and measuring speed, lateral acceleration, and road tilt angle of coolant due to road tilt. The method further comprises calculating coolant angle and coolant acceleration angle based on the road tilt angle and the lateral acceleration if the speed is greater than zero. The method further comprises comparing the coolant angle with a critical angle. The method further comprises calculating a first control angle and a first coolant distance based on the road tilt angle and the lateral acceleration of the vehicle if the acceleration angle is greater than the critical angle. The method further comprises determining a cam position based on the first control angle. The method further comprises moving the cam to the position to move the nozzle and compensate for the lateral acceleration such that coolant drops within a target area of the motor.

Abstract: A VCM is disclosed, the VCM including a rotor including a bobbin arranged at an upper surface of a base formed with an opening, and a driving coil wound on the bobbin, a stator including a driving magnet opposite to the driving coil, and a yoke secured by the driving magnet at an inner surface of a lateral plate, and a tilting unit including a tilt magnet arranged at an outer surface of the lateral plate, a housing fixing the tilt magnet, and a tilt coil unit opposite to the tilt magnet.

Abstract: A motor according to an embodiment of the present disclosure may include a housing comprising an accommodation space and a refrigerant supply hole; a stator core disposed in the accommodation space and coupled to an inner circumferential surface of the housing; a rotor core rotatably disposed in the accommodation space; a shaft coupled to a central portion of the rotor core; and a refrigerant supply groove formed as a recess in a portion of the inner circumferential surface of the housing adjacent to a location where the inner circumferential surface of the housing is coupled to the stator core. The refrigerant supply groove may comprise a main groove communicating with the refrigerant supply hole and extending in a circumferential direction of the stator core; and a plurality of branched grooves extending in an axial direction from both sides of the main groove.

Abstract: An electric machine for an electrified vehicle includes a stator core configured to receive a plurality of windings and an overmolded midsection formed about the stator core. The midsection also defines a first interlocking feature disposed near an end face of the stator core. The electric machine also includes an end cap defining at least a portion of a coolant channel and a second interlocking feature configured to engage the first interlocking feature and create a fluid seal to retain fluid within the coolant channel. The coolant channel is further arranged to encase end portions of the plurality of windings and direct circulating coolant across the end portions.

Abstract: A slipring with at least one slip ring module having at least one sliding track, and at least one wear indication track. A wear indication circuit is connected to the at least one wear indication track for monitoring electrical properties of the wear indication track and signaling an abnormal slipring condition. A wear indication track may be exposed to higher load, higher rotation speed, higher brush pressure force, or other lifetime-reducing influence as compared to a normal sliding track.

Abstract: A stator for an electrical machine, with at least one laminated stator core, and with at least one end cap following the laminated stator core in the axial direction of the stator, at least one line element, which is formed separately from the end cap and separately from the laminated stator core and has at least one first cooling channel, through which a cooling medium for cooling the stator may flow, being provided, having a first length region, extending in the laminated stator core, and a second length region, which extends in the end cap, which has at least one second cooling channel, through which the cooling medium may flow and which is fluidically connected to the first cooling channel.

Abstract: A cooling assembly for an electric machine is disclosed. The cooling assembly may include a generally cylindrical cooling jacket for receiving a shaft, a rotor and a stator. Further, the cooling jacket jacket may be disposed in an electric machine housing. Additionally, the cooling assembly may include at least two first passages in the cooling jacket for circulating a first coolant and at least one second passage in the cooling jacket for circulating a second coolant, the second passage being disposed between the at least two first passages. Further, the cooling assembly may include a third passage on an exterior of the machine housing, the third passage extending through the housing to fluidly connect the at least two first passages and bypass the second passage.

Abstract: A vibration generator includes a housing, a first vibrator, and a second vibrator. The first vibrator includes a hollow yoke having a through hole, a magnet disposed within the through hole of the yoke, and a first elastic support member. The second vibrator includes a coil disposed above or below the magnet within the through hole of the yoke, and a second elastic support member to which the coil is fixed and that is disposed to extend from the inside to the outside of the through hole of the yoke and that is fixed to the housing. The first vibrator vibrates at a first natural frequency in a direction connecting both side portions of the yoke. The second vibrator vibrates at a second natural frequency that is different from the first natural frequency, in the direction connecting the both side portions of the yoke.

Abstract: An electric motor includes a housing, a stator having end turn windings, a rotatable central shaft, a rotor mounted onto the central shaft, and a rotor end ring mounted onto the central shaft adjacent the rotor, the rotor end ring including an annular disk shaped body having a circumferential outer diameter and a circumferential inner diameter and being formed from a thermally conductive material, a recess formed within a face of the body, an oil jacket formed within a back side of the body, the oil jacket comprising an annular channel having a circumferential outer wall and a circumferential inner wall, two inlets, each inlet extending radially between the inner diameter of the body and the inner wall of the oil jacket, a plurality of outlets, each outlet comprising a circumferential slot, the plurality of outlets equidistantly spaced around the face adjacent the circumferential inner wall of the oil jacket.

Abstract: A linear actuator, and a tufting machine including the linear actuator are provided. The linear actuator includes a casing, a magnet unit, and a coil unit. The magnet unit includes a magnet and a magnet mounting plate. The magnet is configured to sandwich side surfaces of the magnet mounting plate. The coil unit faces the magnet. The magnet unit is configured to reciprocate along an axial direction in the casing, between the coil unit, based on magnetization and demagnetization of the coil unit.

Abstract: The present invention provides a motor including a stator around which coils are wound, a rotor disposed inside the stator, a rotating shaft coupled to the rotor, insulators positioned between the coils and the stator and including outer circumferential surfaces around which the coils are wound, and a motor housing configured to accommodate the insulators, wherein wings configured to arrange the coils are connected to the outer surfaces of the insulators, and an accommodation space configured to accommodate the wings is formed inside the motor housing.

Abstract: An electric machine includes a stator (1) and a rotor (2), which are arranged in a housing (3). A liquid cooling jacket is configured for cooling the stator (1). At least one extended surface cooler (10), which is connected to the liquid cooling jacket via a housing wall, is provided in an interior of the housing (3) for direct cooling of components arranged in the interior of the housing (3). Moreover, an axle drive of a vehicle may include the electric machine.

Abstract: A motor, a powertrain, and a vehicle. The motor may be applied to an electric motor vehicle/electric vehicle, a pure electric vehicle, a hybrid electric vehicle, a range extended electric vehicle, a plug-in hybrid electric vehicle, a new energy vehicle, battery management, a motor & driver, a power converter, a reducer, or the like. The motor is configured to output power. In a process of outputting power by the motor, a blocking member arranged in the motor blocks the contact between a rotor of the motor and a coolant, so that the coolant does not splash under the centrifugal action of the rotor in the process of rotation, thereby avoiding the kinetic energy consumption of the rotor. Therefore, a rotating speed of the motor is faster, and the output power is greater.

Abstract: There is provided a linear motor and a linear compressor including the same. The linear motor includes a stator including an air gap, a coil provided in the stator, a mover for reciprocating in the air gap, and at least one magnet fixed to the stator. In the magnet, a length in a first direction that intersects a reciprocating direction of the mover is larger than a length in a second direction that is the reciprocating direction of the mover. Therefore, it is possible to maintain or improve motor efficiency by using an amount of use of a magnet while using a low-priced magnet.

Abstract: Presented are segmented hairpin bar conductors for electric machines, methods for making/using such segmented bar conductors, electromagnetic motors using such segmented bar conductors, and vehicles equipped with an induction motor generator unit using segmented hairpin bar conductors. An electric machine includes a stator that defines multiple circumferentially spaced, radially elongated stator slots. A rotor is located adjacent and movable with respect to the stator. One or more permanent magnets are mounted to the rotor, and one or more U-shaped hairpin windings are mounted to the stator in juxtaposed spaced relation to the magnet(s). Each hairpin winding is formed from an array of collimated, electrically conductive wires that are bundled together into a unitary bar conductor. The segmented hairpin winding has a pair of hairpin legs, each of which adjoins and projects from a respective end of a hairpin crown. Each hairpin leg inserts into a respective one the stator slots.

Abstract: A guide device (1) for a cooling fluid flowing around winding heads (28) of an electrical machine (21), including a body (2), with a recess (4) delimited by an inner edge (3) for guiding through a shaft of the electrical machine (21), and a guide element (5), which protrudes from the body (2) in the axial direction and extends in the peripheral direction in a radial position lying between the inner edge (3) and an outer edge (6) of the body (2).

Abstract: A rotary electric machine includes a stator extending along an axis and having teeth arranged about the axis. The teeth are circumferentially spaced apart by slots. Conductors extend around the teeth and through the slots. The conductors are electrically connected to one another to form phases. Cooling devices are provided in the slots. Each cooling device is fluidly connected to an inlet tube for supplying cooling fluid to the cooling device and an outlet tube for removing cooling fluid from the cooling device. A manifold includes a first cooling channel fluidly connected to each inlet tube and a second cooling channel fluidly connected to each outlet tube such that all the cooling devices in the machine are fluidly connected in parallel.