An electronic assembly (10) for an electrical rotating machine. The electronic assembly comprises a plastic overmoulded casing component (100) comprising housings (100 for receiving power modules (200), a power-conducting part overmoulded in the casing component and comprising a plurality of ground and phase traces (103a, 103b. 102), assembly openings (104, 104a, 104) for receiving means (114) for mounting each power module on the casing component, the power modules comprising a conductive support whereon power switches (2020) and signal components (2030) are mounted, the conductive support (2010) comprising a power connector (2011) connected to the power-conducting part of the casing component and at least two phase connectors (2012a, 2012b) connected to the phase traces (103a, 10b) of the casing component, and a lower ground plane (300) suitable for receiving the casing component and for being mounted on a dissipation unit of the electrical rotating machine.

A device for preventing a vibration of a stator core for power generator includes: a ring-shaped fastening band installed to enclose an outer circumferential surface of a stator core to support the stator core; a plurality of key bars coupled with the fastening band to be coupled with the stator core; and a plurality of elastic portions coupled with the fastening band to insulate vibrations in a diameter direction and an outer circumferential direction of the stator core, in which a diameter of the fastening band is extendible.

A stator cooling assembly for a linear motor includes a stator and a modular cooling arrangement. The modular cooling arrangement comprises: a U-shaped fluid cooling pipe having first and second linear segments extending along first and second opposite longitudinal sides of the stator; an inlet and outlet port connected to a free end of the first and second linear segments, respectively, for circulating a cooling fluid; a central cooling arrangement comprising primary cooling units mounted into recesses of the stator; and connecting members connecting the central cooling arrangement to the fluid cooling pipe. Each primary cooling unit comprises a heat pipe having first and second portions extending along a recess of the stator and along a portion of the fluid cooling pipe, respectively. The connecting members connect the second portion of the heat pipe of each primary cooling unit to corresponding portions of the fluid cooling pipe.

A motor assembly can include a motor shaft, a stator assembly, and a rotor assembly, and can include a cooling jacket. The cooling jacket can include an inner wall facing radially inwardly towards the stator assembly and an opposite outer wall facing radially outwardly, a circumferential internal fluid passageway for allowing a cooling fluid to be pumped through an interior of the cooling jacket, the internal fluid passageway being disposed between the inner and outer walls and extending between an inlet and an outlet, a mounting pad receiving, at an opening in the outer wall, a heat generating component associated with the motor assembly, the opening being in fluid communication with the internal fluid passageway such that the cooling fluid can provide cooling to the heat generating component.

Embodiments of the disclosure provide a stator module and a conveyor system. The stator module includes a stator body and an armature winding, wherein the armature winding is fixedly arranged on the stator body, the armature winding is provided with an upper surface and a lower surface which are oppositely arranged in a first direction, and a first splicing surface and a second splicing surface which are oppositely arranged in a second direction perpendicular to the first direction, the armature winding is provided with a first protrusion, and the first protrusion protrudes from the first splicing surface in the second direction, wherein the armature winding is provided with a plurality of armature coils arranged periodically, and at least part of the plurality of the armature coils are arranged in the first protrusion.

An electric machine assembly including a body part; a stator stationarily supported to the body part; a rotor adapted to rotate relative to the stator, and adapted to receive a shaft inside thereof; and a locking system for providing a locking state for the electric machine assembly in which the rotor is locked relative to the stator. The locking system includes at least one locking member adapted to be in a separating position between the rotor and the stator; and a plurality of radial bolt holes provided in the rotor, extending in a radial direction, and adapted to receive centring bolts such that distal ends of the centring bolts press the at least one locking member in the separating position radially outwards relative to the rotor.

An electric power system for a vehicle includes at least one electric machine, one or more power rectifiers, and a plurality of DC channels. The at least one electric machine includes a plurality of tooth-wound multi-phase windings that are substantially magnetically decoupled, and the at least one electric machine is mechanically balanced even if one of the plurality of windings is de-energized. The one or more power rectifiers are configured to produce rectified power from the power generated by the at least one electric machine. The plurality of DC channels are formed after the at least one power rectifier and are configured to provide DC power to one or more loads within a vehicle.

An electric motor assembly to supply torque is disclosed where the assembly includes a stator modules having a plurality of stator windings, each stator winding configured to receive high-voltage, alternating current; a rotor assembly, each rotor assembly having a hub and plurality of magnets arranged on the hub, the plurality of magnets each having magnetic north and south poles where the plurality of magnets are arranged along an outer periphery of the hub to alternate the magnetic north and south poles; and a main shaft to supply the torque, wherein at least one of the one or more rotor assemblies is configured to rotate the main shaft, and the at least one of the one or more rotor assemblies is associated with and concentrically contained within the one or more stator modules, the at least one of the one or more rotor assemblies being rotatable relative to the one or more stator modules.

Aircraft electric machines are described. The aircraft electric machines include a laminated rotor operably connected to a shaft, the laminated rotor comprising a plurality of rotor teeth and air gaps defined between adjacent rotor teeth about a circumference of the laminated rotor, a modular stator assembly comprising at least one stator segment having a winding wrapped about a center body of the at least one stator segment, a cooling element arranged at least one of adjacent to or within the winding, and at least one power module system comprising an active rectifier and wherein the laminated rotor and modular stator are arranged as a switched reluctance rotor-stator assembly.

A system has an axial field rotary energy device with an axis, a printed circuit board (PCB) stator and a rotor with a rotor shaft and rotor disks having respective permanent magnets (PM). The rotor rotates about the axis relative to the PCB stator. A variable frequency drive (VFD) has VFD components coupled to the axial field rotary energy device. A device enclosure contains the axial field rotary energy device. A VFD enclosure contains the VFD, and the device and VFD enclosures are axially aligned and coupled to each other. A cooling system is integrated within the device and VFD enclosures and cools the axial field rotary energy device and the VFD. The cooling system has a cooling fan located axially outboard of the device and VFD enclosures. The cooling fan circulates an air flow radially and axially relative to the device and VFD enclosures.