Abstract: A rotor assembly for an electric motor includes a shaft, a lamination stack, a plurality of magnets including a first magnet, and a plurality of pole pieces including a first pole piece. The first magnet is disposed between the lamination stack and the first pole piece, and each pole piece has an outer pole surface. The rotor assembly also includes a sleeve including an outer sleeve body disposed about the outer pole surface of each pole piece to retain each of the pole pieces with respect to the lamination stack, and a plurality of spacers extending from the outer sleeve body radially inward toward the shaft. The plurality of spacers includes a first and second spacer, and the first and second spacers are disposed between the first pole piece and the lamination stack to reduce flux leakage of the first magnet.

Abstract: A rotor assembly for an electric motor includes a shaft extending along and rotatable about an axis. The rotor assembly also includes a lamination stack coupled to the shaft, a plurality of magnets including a first magnet coupled to the lamination stack, and a plurality of pole pieces spaced radially outward from the shaft. Each pole piece of the plurality of pole pieces is separate from the lamination stack. The plurality of pole pieces includes a first pole piece, and the first and second magnets are disposed between the lamination stack and the first pole piece. The rotor assembly further includes a plurality of spacers including a first spacer disposed between the first pole piece and the lamination stack to reduce flux leakage of the first magnet.

Abstract: A method of manufacturing a rotor assembly for an electric motor is disclosed. The rotor assembly includes a lamination stack extending along an axis, a plurality of magnets including a first and second magnet each coupled to the lamination stack, and a plurality of pole pieces including a first pole piece spaced from the lamination stack and separate from the lamination stack. The rotor assembly also includes a plurality of spacers including a first spacer spaced from the lamination stack. The method includes the step of disposing the first magnet and the second magnet between the lamination stack and the first pole piece. The method also includes the step of disposing the first spacer between the lamination stack and the first pole piece to reduce flux leakage between the lamination stack and the first pole piece.

Abstract: An assembly for power transmission between an output of a drive engine and an input of a transmission. The assembly includes a torque converter and a P2 module that are axially engage and retained for flexibility in assembling of the assembly. The P2 module including a clutch and an electric motor.

Abstract: A rotor assembly includes a shaft defining a lubricant inlet channel for receiving a lubricant and a lamination stack. The lamination stack is rotatably coupled to the shaft, extends between first and second lamination stack ends, and defines a lubricant cooling channel in fluid communication with the lubricant inlet channel. The rotor assembly also includes a first end cap adjacent to the first lamination stack end and a second end cap adjacent to the second lamination stack end. One of the first end cap and the second end cap defines an end cap inlet at a first radial distance from the shaft, a lubricant outlet channel defined to extend at least partially radially inward toward the shaft, and an end cap outlet at a second radial distance from the shaft which is less than the first radial distance for expelling the lubricant.

Abstract: A torque transfer assembly includes an engine starter, an electric machine, a torque converter, and a disconnect clutch further defined as a mechanical clutch. The vehicle includes an internal combustion engine including an output shaft, and a transmission. The engine starter is adapted to be rotatably coupled to the output shaft for rotating the output shaft to start the internal combustion engine. The electric machine is adapted to be rotatably coupled to the transmission for delivering rotational torque to the transmission. The torque converter is rotatably coupled to the electric machine and adapted to be rotatably coupled to the transmission. The mechanical clutch is adapted to be rotatably coupled to the output shaft and the torque converter. The mechanical clutch is adapted to selectively rotatably couple the output shaft to the torque converter and is adapted to selectively rotatably decouple the output shaft from the torque converter.

Abstract: The present invention relates to a freewheel arrangement (4) having a freewheel (2), which comprises a first running ring (44), a second running ring (46), at least one clamping element (26; 28) that is between the first and the second running ring (44, 46) and is movable between a coupling position and a release position, and an actuating element (42) for adjusting the at least one clamping element (26; 28), wherein the actuating element (42) can be arranged on the first running ring (44) and is movable relative to the first running ring (44). A friction device (52) for generating a frictional force acting on the actuating element (42) is provided, the frictional force counteracting a drive force acting on the first running ring (44) so as to move the actuating element (42) relative to the first running ring (44). The present invention furthermore relates to a drivetrain (82) having such a freewheel arrangement (4).

Abstract: A permanently engaged starter system for use in a vehicle includes a duel-mass flywheel. The vehicle includes crankshaft, an engine block, and a transmission. The dual-mass flywheel includes an engine side primary, a transmission side primary mass, and a secondary mass. The permanently engaged starter system also includes a one-way clutch including an outer race disposed about the axis, and an inner race disposed about the axis and disposed between the outer race and the axis. The permanently engaged starter system additionally includes a ring gear rotatably coupled to one of the inner race and the outer race of the one-way clutch, with the other of the inner race and the outer race being rotatably coupled to the transmission side primary mass of the dual-mass flywheel. The one-way clutch is nested within the dual-mass flywheel with respect to the axis.

Abstract: A torque transfer assembly includes an engine starter, an electric machine, a torque converter, and a disconnect clutch further defined as a mechanical clutch. The vehicle includes an internal combustion engine including an output shaft, and a transmission. The engine starter is adapted to be rotatably coupled to the output shaft for rotating the output shaft to start the internal combustion engine. The electric machine is adapted to be rotatably coupled to the transmission for delivering rotational torque to the transmission. The torque converter is rotatably coupled to the electric machine and adapted to be rotatably coupled to the transmission. The mechanical clutch is adapted to be rotatably coupled to the output shaft and the torque converter. The mechanical clutch is adapted to selectively rotatably couple the output shaft to the torque converter and is adapted to selectively rotatably decouple the output shaft from the torque converter.

Abstract: A permanently engaged starter system for use in a vehicle, with the vehicle including a crankshaft and an engine block, includes a dual-mass flywheel and a permanently engaged starter assembly. The dual-mass flywheel extends along an axis and has an inner diameter portion disposed about and adjacent the axis and an outer diameter portion disposed about the axis such that the inner diameter portion is disposed between the outer diameter portion and the axis. The permanently engaged starter assembly includes a one-way clutch and a ring gear. The one-way clutch extends along the axis and includes an inner member disposed about the axis and an outer member disposed about the inner member. The ring gear is rotatably coupled to the one-way clutch and is adapted to be rotatably coupled to the outer diameter portion of the dual-mass flywheel through the one-way clutch.

Abstract: A pawl clutch may include first member having at least one notch, and a second member. The first member and the second member may be configured to rotate relative to each other at a speed differential when the pawl clutch is disengaged. The pawl clutch may further include at least one pawl moveably retained to the second member and having a toe portion configured to engage the pawl clutch by engaging the notch of the first member. The toe portion of the pawl may have a chamfered edge configured to contact a corner of the notch to reject engagement of the pawl with the notch when the speed differential is above a threshold.

Abstract: A hybrid-vehicle system includes an internal combustion engine configured to deliver a first rotational torque to a crankshaft. The first rotational torque is a maximum torque deliverable by the internal combustion engine. The hybrid-vehicle system also includes a transmission selectively rotatably coupled to the crankshaft, and an assembly including an electric machine rotatably coupled to the transmission and configured to deliver a second rotational torque directly to the transmission. The assembly also includes a one-way clutch configured to rotationally couple the crankshaft and the transmission. The assembly further includes a friction clutch moveable between an engaged state where the crankshaft and the transmission are rotationally coupled, and a disengaged state where the crankshaft and the transmission are rotationally decoupled. The friction clutch is further defined as a latching friction clutch.

Abstract: An assembly for power transmission between an output of a drive engine and an input of a transmission. The assembly includes a torque converter and a P2 module that are axially engage and retained for flexibility in assembling of the assembly. The P2 module including a clutch and an electric motor.

Abstract: A permanently engaged starter system for use in a vehicle includes a flex plate. The vehicle includes a crankshaft and an engine block. The flex plate extends along and is rotatable about an axis. The flex plate is adapted to be rotatably coupled to the crankshaft. The permanently engaged starter system also includes a one-way clutch including an outer and inner race. The permanently engaged starter system additionally includes a ring gear rotatably coupled to one of the inner race and the outer race of the one-way clutch. The permanently engaged starter system further includes a starter support plate, and a pilot support plate coupled to the ring gear. The pilot support plate is fixedly coupled to the starter support plate and is configured to axially and radially align and retain the ring gear and one of the inner race and the outer race with respect to the axis.

Abstract: A shifting system includes an input member, a disconnect, an output member, and a shifting assembly to selectively rotationally couple the input member and the output member. The shifting assembly includes an input hub having a disconnectable component engageable with the disconnect and a clutch engagement component extending radially away from an axis. A plurality of clutch plates is coupled to the clutch engagement component and is moveable between engaged and disengaged positions. A biasing member is coupled to the clutch plates to bias the clutch plates toward the engaged position, and an apply plate is coupled to the biasing member. The apply plate is moveable between a first plate position where the clutch plates are in the engaged position, and a second plate position where the clutch plates are in the disengaged position. A clutch plate carrier is coupled to the clutch plates and to the output member.

Abstract: A permanently engaged starter system for use in a vehicle, with the vehicle including a crankshaft and an engine block, includes a dual-mass flywheel and a permanently engaged starter assembly. The dual-mass flywheel extends along an axis and has an inner diameter portion disposed about and adjacent the axis and an outer diameter portion disposed about the axis such that the inner diameter portion is disposed between the outer diameter portion and the axis. The permanently engaged starter assembly includes a one-way clutch and a ring gear. The one-way clutch extends along the axis and includes an inner member disposed about the axis and an outer member disposed about the inner member. The ring gear is rotatably coupled to the one-way clutch and is adapted to be rotatably coupled to the outer diameter portion of the dual-mass flywheel through the one-way clutch.

Abstract: A permanently engaged starter system for use in a vehicle includes a dual-mass flywheel. The vehicle includes a crankshaft, an engine block, and a transmission. The dual-mass flywheel includes an engine side primary mass, a transmission side primary mass rotatably coupled to the engine side primary mass, and a secondary mass rotatably coupled to the transmission side primary mass. The permanently engaged starter system also includes a one-way clutch including an inner race disposed about the axis. The permanently engages starter system additionally includes a ring gear rotatably coupled to the inner race of the one-way clutch. The transmission side primary mass or the secondary mass of the dual-mass flywheel is configured to be an outer race for the one-way clutch.

Abstract: A shifting system for a vehicle transmission includes an input member and a selectable one-way clutch rotatably coupled to the input member. The selectable one-way clutch is moveable between first, second, and third clutch positions. The shifting system also includes a disconnect coupled to the input member and moveable between first and second disconnect positions, and an output member selectively rotatable with the input member. The shifting system further includes a shifting assembly for selectively rotatably coupling the input and output members. The shifting assembly includes an input hub coupled to the input member, having a disconnectable component engageable with the disconnect, and having a clutch engagement component. Clutch plates are coupled to the clutch engagement component and are moveable between engaged and disengaged positions. A clutch plate carrier is coupled to the clutch plates and output member to transmit torque from the clutch engagement component to the output member.

Abstract: A permanently engaged starter system for use in a vehicle includes a dual-mass flywheel. The vehicle includes a crankshaft, an engine block, and a transmission. The dual-mass flywheel includes an engine side primary mass, a transmission side primary mass rotatably coupled to the engine side primary mass, and a secondary mass rotatably coupled to the transmission side primary mass. The permanently engaged starter system also includes a one-way clutch including an inner race disposed about the axis. The permanently engages starter system additionally includes a ring gear rotatably coupled to the inner race of the one-way clutch. The transmission side primary mass or the secondary mass of the dual-mass flywheel is configured to be an outer race for the one-way clutch.

Abstract: A permanently engaged starter system for use in a vehicle includes a flex plate. The vehicle includes a crankshaft and an engine block. The flex plate extends along and is rotatable about an axis. The flex plate is adapted to be rotatably coupled to the crankshaft. The permanently engaged starter system also includes a one-way clutch including an outer and inner race. The permanently engaged starter system additionally includes a ring gear rotatably coupled to one of the inner race and the outer race of the one-way clutch. The permanently engaged starter system further includes a starter support plate, and a pilot support plate coupled to the ring gear. The pilot support plate is fixedly coupled to the starter support plate and is configured to axially and radially align and retain the ring gear and one of the inner race and the outer race with respect to the axis.