A driving device includes an electric motor, a rotating shaft, a motor housing, a printed circuit board, an electric power converting circuit, a rear frame end working as a heat radiating member, gel working as a heat transfer member, multiple mounted parts and so on. The heat radiating member is located on a side of the printed circuit board and facing a motor-side surface of the printed circuit board, to which multiple switching elements are mounted. The gel is plastically deformed and adhered to the switching elements and the heat radiating member for transferring heat of the switching elements to the heat radiating member. At least one of the mounted parts is mounted to the printed circuit board and located at a position between a through-hole opposing area and one of the switching elements, which is located at a position closest to a rotational angle sensor mounted to the printed circuit board in the through-hole opposing area.

A system includes an emergency response vehicle transitionable between a motive state and a non-motive state and a tool. The tool includes an identifier and is configured to be removably secured to the emergency response vehicle. The system further includes a scanner coupled to the emergency response vehicle and operable to identify the identifier when the tool is secured to the emergency response vehicle. A control module is communicatively coupled to the scanner and includes a processor and a memory storing instructions which cause the processor to determine that the emergency response vehicle has transitioned between the motive state and the non-motive state, and, in response to determining that the emergency response vehicle has transitioned between the motive state and the non-motive state, cause the scanner to scan the emergency response vehicle for the identifier to determine whether the tool is secured to the emergency response vehicle.

The present disclosure relates to an axial flux motor comprising a stator assembly and a rotor assembly. The axial flux motor also includes a cooling jacket including fins that extend between electromagnets of the stator assembly. The axial flux motor rotor assembly also includes an air cooling arrangement to provide air cooling to the stator assembly. The axial flux motor also includes stator cores having enlarged end plates.

An electrically powered propellor apparatus comprising an axial flux electric machine. The axial flux electric machine comprises a rotor, at least one stator and a shaft. The shaft mounts the rotor and the shaft is mounted in at least two spaced apart thrust bearings. Each of the thrust bearings is configured to resist thrust in opposing axial directions of the shaft. The shaft has a propellor mounted on at least one end thereof.

A motor includes: a motor housing; a stator disposed inside the motor housing and supported by the motor housing; and a thermally conductive sheet disposed so as to fill a gap in a radial direction or an axial direction between the motor housing and the stator.

A motor comprising a shaft, an array of stator assemblies rigidly attached to the shaft, each stator assembly includes a stator yoke having a toroid shape fixed around the shaft and having a number of slots at radial and axis directional faces with windings within the slots of the stator yoke, and a rotor assembly rotatively attached to the shaft to enclose the array of stator assemblies, the rotor assembly has a rotor drum with sections, each section embraces one stator assembly, each section has two axial-flux permanent magnet arrays attached on axial-directional inner surfaces of the section and has one radial-flux permanent magnet array attached on a radial-directional inner surface of the section furthest from the shaft, wherein the axial-flux and the radial-flux permanent magnet arrays with the number of pole pairs equals the number of the stator slots plus or minus the number of stator winding pole pair.

A linear motion device includes: a base that extends in a reference direction; a linear guide mechanism that includes a guide rail fixed to the base and extending in the reference direction and a slider supported movably on the guide rail along the reference direction; a moving body that is fixed to the slider and that is movable in the reference direction together with the slider; a linear motor that includes a stator fixed to the base, the stator including a magnet row and extending in the reference direction, and a mover including a plurality of coils provided with a certain gap from the stator; and a heat transfer body that is disposed between the moving body and the mover and that is connected to the moving body and the mover, and the heat transfer body extends in a direction away from the linear guide mechanism.

A method is provided for producing a slot base insulation in a stator (210, 220), wherein the stator (210, 220) is part of an electrical machine and is constructed from a ferromagnetic material. The stator (210, 220) is provided with at least one slot (204) to fit a winding wire (122) in the at least one slot (204). The at least one slot (204) is coated with a soft-magnetic insulation material. A stator (210, 220) also is provided with the slot base insulation.

A stator (1) for an electric machine (100) has stator laminations (3) stacked in an axial direction (A) to form a stator lamination stack (2). The stator laminations (3) have strip-shaped inserts (4) extending in a radial direction (R). The inserts (4) have a higher thermal conductivity than the rest of the stator lamination (3). The stator laminations (3) are rotated in relation to one another in an azimuthal direction (U) about an angle of rotation (D) in such a manner that the inserts (4) of directly adjacent stator laminations (3) are not arranged one above another in the axial direction (A). An electric machine (100), a motor vehicle (200) and a method for producing a stator (1) also are provided.

A turbomachine includes a housing with an e-machine housing. Also, the turbomachine includes a rotating group supported for rotation within the housing. Moreover, the turbomachine includes an e-machine that is configured as at least one of an electric motor and an electric generator, that is operatively coupled to the rotating group, and that includes a stator that is housed within the e-machine housing. Furthermore, the turbomachine includes a thermal bridge member that extends between the stator and the e-machine housing to define a thermal path for heat to transfer from the stator to the e-machine housing. The e-machine housing includes a thermal bridge retainer member that defines an outer boundary of the thermal bridge member.