Abstract: A rotor assembly for a hybrid module includes a rotor carrier, a rotor segment, an end ring, a first spacer, a second spacer, and a compressed spring. The rotor carrier includes a first outer cylindrical surface and a radial surface, and the rotor segment is installed on the first outer cylindrical surface. The end ring is fixed to the rotor carrier and arranged for fixing to an engine flexplate. The first spacer is disposed axially between the rotor segment and the radial surface, and the second spacer is disposed axially between the rotor segment and the end ring. The compressed spring is disposed axially between the end ring and the second spacer to press the first spacer, the second spacer, and the rotor segment against the radial surface for frictional torque transmission between the rotor segment and the rotor carrier.

Abstract: A hybrid module includes a housing with a bulkhead wall, a K0 shaft, a rotor assembly, a rotor carrier and a first bearing. The K0 shaft is arranged for driving connection with a crankshaft. The rotor assembly has an electric motor rotor and a thrust surface for a K0 clutch. The K0 clutch is arranged to drivingly connect the rotor assembly to the K0 shaft. The rotor carrier is fixed to the rotor assembly and the first bearing is arranged to rotationally separate the bulkhead wall and the rotor carrier. In an example embodiment, the first bearing is a deep groove ball bearing. In an example embodiment, the hybrid module includes a seal installed in the bulkhead wall and contacting the K0 shaft. In an example embodiment, the hybrid module includes a bushing installed on the K0 shaft and arranged for contacting an inner bore of the crankshaft.

Abstract: A drive module for a vehicle includes an input extending along an axis and configured to be driven by an engine. An electric motor has a rotor carrier hub configured to be rotated about the axis. The rotor carrier hub is non-rotatably connected to a torque converter cover and is selectively coupled to the input via a clutch. The rotor carrier hub has an inner surface defining an interior, an outer surface defining an exterior, and a plurality of holes extending through the rotor carrier hub from the inner surface to the outer surface to enable oil to transfer from the interior to the exterior. This provides a controlled and relative constant oil flow for cooling the drive module.

Abstract: A stator assembly for a hybrid module includes a stator carrier, a stator segment, and a water jacket. The stator carrier has an inner cylindrical surface and the stator segment is installed in the inner cylindrical surface. The water jacket is fixed to the stator carrier to enclose a sealed chamber therebetween. The water jacket may be fixed to the stator carrier by a pair of circumferential welds at opposite ends of the sealed chamber. The stator assembly may include a fluid port fixed to the water jacket and arranged to guide a fluid into or out of the sealed chamber to cool the stator assembly.

Abstract: A hybrid module comprising a rotor assembly including a rotor carrier and a torque converter completely disposed radially inside of the rotor carrier is provided. The torque converter assembly includes an impeller having an impeller shell fixed to the rotor carrier such that the impeller shell and the rotor carrier form a housing of the torque converter.

Abstract: A hybrid module includes a housing with a bulkhead wall, a K0 shaft, a rotor assembly, a rotor carrier and a first bearing. The K0 shaft is arranged for driving connection with a crankshaft. The rotor assembly has an electric motor rotor and a thrust surface for a K0 clutch. The K0 clutch is arranged to drivingly connect the rotor assembly to the K0 shaft. The rotor carrier is fixed to the rotor assembly and the first bearing is arranged to rotationally separate the bulkhead wall and the rotor carrier. In an example embodiment, the first bearing is a deep groove ball bearing. In an example embodiment, the hybrid module includes a seal installed in the bulkhead wall and contacting the K0 shaft. In an example embodiment, the hybrid module includes a bushing installed on the K0 shaft and arranged for contacting an inner bore of the crankshaft.

Abstract: A hybrid module comprising a rotor assembly including a rotor carrier and a torque converter completely disposed radially inside of the rotor carrier is provided. The torque converter assembly includes an impeller having an impeller shell fixed to the rotor carrier such that the impeller shell and the rotor carrier form a housing of the torque converter.

Abstract: A solid electric axle is suitable for use on a heavy duty work vehicle. One or two motors are concentric with the half-shafts. The main housing includes a center support and two other pieces which are bolted to the center support. A linear actuator is used to lock the differential and also to select a neutral mode in which the rotors of the motors can be stationary while the vehicle moves.

Abstract: A rotor assembly for an electric motor, including: a rotor carrier hub; a rotor radially disposed about the rotor carrier hub; and an annular end ring. The rotor carrier hub includes: an axis of rotation; an annular outer surface facing in a first axial direction parallel to the axis of rotation; a circumferentially disposed outer surface; a curved indentation in the annular outer surface; and a protrusion extending beyond the circumferentially disposed outer surface in a radially outward direction orthogonal to the axis of rotation and radially aligned with the curved indentation such that a line, in the radially outward direction, passes through the curved indentation and the protrusion. The end ring is in contact with the circumferentially disposed outer surface of the rotor carrier hub and the protrusion. The protrusion blocks displacement of the rotor in the first axial direction.

Abstract: A rotor assembly for a hybrid module includes a rotor carrier, a rotor segment, an end ring, a first spacer, a second spacer, and a compressed spring. The rotor carrier includes a first outer cylindrical surface and a radial surface, and the rotor segment is installed on the first outer cylindrical surface. The end ring is fixed to the rotor carrier and arranged for fixing to an engine flexplate. The first spacer is disposed axially between the rotor segment and the radial surface, and the second spacer is disposed axially between the rotor segment and the end ring. The compressed spring is disposed axially between the end ring and the second spacer to press the first spacer, the second spacer, and the rotor segment against the radial surface for frictional torque transmission between the rotor segment and the rotor carrier.

Abstract: A stator assembly for a hybrid module includes a stator carrier, a stator segment, and a water jacket. The stator carrier has an inner cylindrical surface and the stator segment is installed in the inner cylindrical surface. The water jacket is fixed to the stator carrier to enclose a sealed chamber therebetween. The water jacket may be fixed to the stator carrier by a pair of circumferential welds at opposite ends of the sealed chamber. The stator assembly may include a fluid port fixed to the water jacket and arranged to guide a fluid into or out of the sealed chamber to cool the stator assembly.

Abstract: A drive unit for a hybrid module includes a housing assembly and an electric motor including a stator and a rotor. The stator is fixed to the housing assembly. The drive unit further includes an assembly configured for rotatably connecting the rotor to an internal combustion engine The assembly includes a shaft configured for connecting to the internal combustion engine, a rear ball bearing on the shaft and a bearing housing on an outer race of the rear ball bearing. The bearing housing axially abuts the rear ball bearing so the rear ball bearing limits rearward axial movement of the bearing housing relative to the shaft. In other words, axial thrust from the bearing housing is transferred to the shaft by the axial load carrying capacity of the ball bearing.

Abstract: A torque converter includes a cover, an impeller including an impeller engagement section, an axially movable turbine piston including a turbine engagement section configured for engaging the impeller engagement section to form a lockup clutch and a coast engagement structure configured for contacting the cover to limit axial movement of the turbine piston away from the impeller in a coast condition.

Abstract: A hybrid drive module, comprising a cover of a torque converter. The hybrid drive module further includes a carrier hub connected to a rotor of an electric motor and the cover, the hub including a first surface and a protrusion extending outward from the first surface. The hybrid drive module also includes an end ring disposed between the protrusion and the rotor and in contact with the first surface, wherein the end ring is engaged with the protrusion and the rotor, and the protrusion restrains the end ring and rotor utilizing an interference fit between the carrier hub and the end ring.

Abstract: A rotor carrier for a hybrid module includes an annular ring, a first tubular segment, a second tubular segment, and a first radially extending orifice. The annular ring is arranged for fixing to a torque converter cover. The annular ring includes radially inner portion. The first tubular segment extends from the radially inner portion in a first axial direction. The second tubular segment extends from the first tubular segment in the first axial direction. The first radially extending orifice is disposed in the second tubular segment. The annular ring, the first tubular segment, and the second tubular segment are integrally formed from a same piece of material. The first tubular segment has a first outer diameter, and the second tubular segment has an outer surface with a second outer diameter, less than the first outer diameter.

Abstract: A motor assembly for a hybrid vehicle includes an electric motor, a shaft, a multiplate clutch, and a housing. The electric motor has a rotatable rotor with a carrier. The shaft is arranged for drivingly engaging a combustion engine. The multiplate clutch is drivingly engaged with the carrier for releasably engaging the electric motor to the shaft. The housing includes a center support with a hydraulic channel extending from radially outside of the electric motor to radially inside of the electric motor. In an example embodiment, the motor assembly has a torque converter fixed to the carrier. In some example embodiments, the motor assembly has a concentric slave cylinder for engaging the clutch. The concentric slave cylinder is hydraulically connected to the center support hydraulic channel. In an example embodiment, the motor assembly has a pressing plate in contact with the slave cylinder and the multiplate clutch.

Abstract: A rotor carrier for a hybrid module includes an annular ring, a first tubular segment, a second tubular segment, and a first radially extending orifice. The annular ring is arranged for fixing to a torque converter cover. The annular ring includes radially inner portion. The first tubular segment extends from the radially inner portion in a first axial direction. The second tubular segment extends from the first tubular segment in the first axial direction. The first radially extending orifice is disposed in the second tubular segment. The annular ring, the first tubular segment, and the second tubular segment are integrally formed from a same piece of material. The first tubular segment has a first outer diameter, and the second tubular segment has an outer surface with a second outer diameter, less than the first outer diameter.

Abstract: A rotor assembly for an electric motor, including: a rotor carrier hub; a rotor radially disposed about the rotor carrier hub; and an annular end ring. The rotor carrier hub includes: an axis of rotation; an annular outer surface facing in a first axial direction parallel to the axis of rotation; a circumferentially disposed outer surface; a curved indentation in the annular outer surface; and a protrusion extending beyond the circumferentially disposed outer surface in a radially outward direction orthogonal to the axis of rotation and radially aligned with the curved indentation such that a line, in the radially outward direction, passes through the curved indentation and the protrusion. The end ring is in contact with the circumferentially disposed outer surface of the rotor carrier hub and the protrusion. The protrusion blocks displacement of the rotor in the first axial direction.

Abstract: A drive assembly for a motor vehicle drive train includes a first subassembly configured for connecting to an engine crank. The first subassembly includes a slip clutch plate. The drive assembly also includes a second subassembly connected to the first subassembly via a radially outer portion of the slip clutch plate. The second subassembly includes a damper assembly. A method of forming a drive assembly for a motor vehicle drive train is also provided.

Abstract: A drive module for a vehicle includes an input extending along an axis and configured to be driven by an engine. An electric motor has a rotor carrier hub configured to be rotated about the axis. The rotor carrier hub is non-rotatably connected to a torque converter cover and is selectively coupled to the input via a clutch. The rotor carrier hub has an inner surface defining an interior, an outer surface defining an exterior, and a plurality of holes extending through the rotor carrier hub from the inner surface to the outer surface to enable oil to transfer from the interior to the exterior. This provides a controlled and relative constant oil flow for cooling the drive module.