A vehicle includes a battery, an electric machine, a thermistor, and a controller. The electric machine is configured to draw electrical power from the battery to propel the vehicle. The electric machine has a rotor and a stator. The stator has a core, interconnected hairpins, and a neutral bar. The core defines slots. The interconnected hairpin windings are arranged within the slots and are arranged to form a plurality of electrical phases. The neutral bar is connected to each of the electrical phases and defines an orifice. The thermistor is disposed within the orifice and is configured to sense a temperature of the electric machine. The controller is programmed to control a power output of the electric machine based on the temperature of the electric machine.

A stator (30) of an electric machine has a stator lamination stack (20) that comprises stator laminations (1). The stator (30) has at least one stator winding with conductor bars (31) arranged in slots of the stator lamination stack (20) and fixed in the slots of the stator lamination stack (20) with the aid of a fixing device. To improve the stator (30) with regard to the service life thereof and/or to the producibility thereof, at least one clamping stator lamination (8;28) has a clamping geometry that serves as the fixing device.

A stator (30) of an electric machine has a stator lamination stack (20) that comprises stator laminations (1). The stator (30) has at least one stator winding with conductor bars (31) arranged in slots of the stator lamination stack (20) and fixed in the slots of the stator lamination stack (20) with the aid of a fixing device. To improve the stator (30) with regard to the service life thereof and/or to the producibility thereof, at least one clamping stator lamination (8;28) has a clamping geometry that serves as the fixing device.

The disclosed embodiments describe a tapped winding stator for use in an electric motor. In some embodiments, the electric motor includes a stator body. In some embodiments, a plurality of teeth that are adjacent in a circumferential direction. In some embodiments, a plurality of slots are formed between the plurality of teeth. In some embodiments, a plurality of coils are mounted in each of the plurality of slots. In some embodiments, the plurality of coils are tapped in a configuration that allows the stator to selectively bypass one or more of the plurality of coils in operation. A plurality of switches are electrically coupled between the configuration and a respective phase supply to the electric motor, each of the switches having at least a first position and a second position.

The disclosed embodiments describe a tapped winding stator for use in an electric motor. In some embodiments, the electric motor includes a stator body. In some embodiments, a plurality of teeth that are adjacent in a circumferential direction. In some embodiments, a plurality of slots are formed between the plurality of teeth. In some embodiments, a plurality of coils are mounted in each of the plurality of slots. In some embodiments, the plurality of coils are tapped in a configuration that allows the stator to selectively bypass one or more of the plurality of coils in operation. A plurality of switches are electrically coupled between the configuration and a respective phase supply to the electric motor, each of the switches having at least a first position and a second position.

An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.

An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.

A stator assembly including a frame structure having a stator teeth being circumferentially distributed around a longitudinal axis, wherein in between respective two neighboring stator teeth there is formed one stator slot; a winding system having a plurality of electric windings, wherein respectively one electric winding is wound around at least one stator tooth and is partially accommodated within two stator slots and each electric winding comprises an end winding portion which axially protrudes from the frame structure; and an insulation arrangement having a plurality of electric insulation devices, each insulation device surrounding a part of one electric winding is provided. Each insulation device includes an inner insulation portion being accommodated within the respective stator slot and an outer insulation portion protruding from the frame structure and surrounding a part of the respective end winding portion. The outer insulation portion includes an outer surface which includes elevated surface portions.

A stator assembly including a frame structure having a stator teeth being circumferentially distributed around a longitudinal axis, wherein in between respective two neighboring stator teeth there is formed one stator slot; a winding system having a plurality of electric windings, wherein respectively one electric winding is wound around at least one stator tooth and is partially accommodated within two stator slots and each electric winding comprises an end winding portion which axially protrudes from the frame structure; and an insulation arrangement having a plurality of electric insulation devices, each insulation device surrounding a part of one electric winding is provided. Each insulation device includes an inner insulation portion being accommodated within the respective stator slot and an outer insulation portion protruding from the frame structure and surrounding a part of the respective end winding portion. The outer insulation portion includes an outer surface which includes elevated surface portions.

A stator for an electric machine includes a core and a multi-phase winding arrangement positioned on the core. Each phase of the winding arrangement includes a plurality of parallel paths defining a plurality of poles for the electric machine. Each parallel path includes a plurality of coils positioned on the core, each coil defined by coil legs and end turns. The coil legs include left legs and right legs extending through the slots of the core. The left legs and right legs of each coil are connected by first end turns at one end of the core and second end turns at an opposite end of the core. Each pole of the electric machine is associated with a pole slot set comprised of multiple slots on the stator core. For each pole slot set, legs for each parallel path extend through one of the slots of said pole slot set.