Abstract: An electrical assembly that with an inverter that is mounted to the field windings of a stator. The inverter has a plurality of power semiconductor packages (PSP), each of which including a semiconductor die, a plurality of electric terminals, which are electrically coupled to the semiconductor die, and a heat sink with a base, which is fixedly and electrically coupled to one of the electric terminals, and a plurality of fins that extend axially from the base in a direction away from the semiconductor die. The PSP's are arranged in a circumferentially spaced apart manner. The fins are arranged in rows and are progressively longer in length from a radially-inner most fin to a radially-outer most fin. Slots are formed in the base on a radially-inner side of the base. Each slot extends toward a radially-outer side of the base and intersects a corresponding one of the rows of fins.

Abstract: An electric motor can include a stator body defining fluid channels extending axially for fluid communication between axial ends of the stator body. Conductive windings can form first loops extending axially outward from the first end of the stator body and second loops extending axially outward from the second end of the stator body. A first cap can be coupled to the first end of the stator body and can include a first wall. The first wall can be between the first loops and the channels. Pins can extend from a side of the first wall that is opposite the first loops. The second cap can be coupled to the second end of the stator body and include a second wall. The second wall can be between the second loops and the channels. Pins can extend from a side of the second wall that is opposite the second loops.

Abstract: An electric drive unit having an electric motor, which has a rotor and a stator that includes a stator core and field windings, a housing assembly into which the electric motor is received, and a seal member. The stator core defines a plurality of stator cooling passages that extend longitudinally through the stator core. Each of the field windings has a protruding portion that extends from an axial end of the stator core. The protruding portions are encapsulated in a plastic material. The housing assembly has an annular wall member that defines a seal groove. The seal member is received in the seal groove and forms a seal between the annular wall member and the plastic encapsulation on the protruding portion of the field windings. A coolant is circulated through the stator cooling channels, and the seal member inhibits ingress of the coolant between the stator and the rotor.

Abstract: An electric drive unit having a multi-phase electric motor and an inverter with a plurality of power semiconductors, an inverter mount, and a plurality of busbars. The power semiconductors are mounted to the base of the inverter mount in an annular arrangement and with the terminals of the power semiconductors extending through the base. Each of the busbars has a first busbar portion, which includes a first body and a set of first fingers that are fixedly coupled to the first body, and a second busbar portion that includes a second body and a set of second fingers that are fixedly coupled to the second body. Associated fingers in the first and second sets of fingers of each bus bar are mechanically and electrically coupled to opposite sides of a corresponding one of the terminals.

Abstract: An axle assembly with a housing, an annular gear, a bearing, a differential, and a pair of output shafts. The housing has an annular hub. The annular gear is received in the housing. The bearing, which is a four-point angular contact bearing, supports the gear for rotation about an axis relative to the housing and has an inner bearing race, which is mounted on the annular hub, and an outer bearing race that is fixedly coupled to the annular gear. The differential is received in the housing and includes an input member, which is coupled to the annular gear for rotation therewith, and a pair of output members that are rotatable relative to the input member about the output axis. Each of the output shafts is coupled to an associated one of the output members for rotation therewith. One of the output shafts extends through the annular hub.

Abstract: An electric drive unit having a stator, a rotor received in the stator and rotatable about a central longitudinal axis, and an inverter assembly that includes a plurality of power semiconductors, a plurality of heat sinks and an end plate. The power semiconductors are thermally coupled to the heat sinks. Each of the heat sinks has a plurality of fins that extend into a flow channel that is coaxial with the plurality of sets of field windings. The end plate is coupled to the power semiconductors and has a projection, which is sealingly coupled to the stator and which and partly defines an annular cavity, and a coolant port that is coupled in fluid communication with the annular cavity. The flow channel is in fluid communication with and disposed in a flow path between the annular cavity and the cooling channels in the stator body.

Abstract: An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.

Abstract: A front axle assembly with an axle housing that has first and second housing halves that each include a main housing portion, a tubular portion and a steering yoke. The main housing portion defines a cavity that houses at least a portion of a speed differentiation mechanism. The tubular portions are fixedly coupled to an associated one of the main housing portions and extend between the main housing portion and an associated one of the steering yokes. Each steering yoke is fixedly coupled to an associated tubular portion. An annular joint structure is formed where the first and second first housing halves are coupled to one another. The annular joint structure is formed about the rotary axis such that one of the first and second housing halves is inserted into the other one of the first and second housing halves along an insertion axis that is coincident with the rotary axis.

Abstract: An electric drive module that includes an electric motor, a differential assembly, and a transmission that transmits rotary power between the electric motor and the differential assembly. The transmission has first and second reductions. The first reduction has a drive gear, which is rotatable about a first axis, and a pair of first reduction gears that are each meshingly engaged to the drive gear rotatable about a respective second axis. The second axes are spaced apart from one another and are parallel to the first axis. The second reduction has a driven gear and a pair of second reduction gears. The driven gear is rotatable about a third axis that is parallel to the first axis. Each of the second reduction gears is being meshingly engaged to the driven gear and non-rotatably coupled to an associated one of the first reduction gears.

Abstract: An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.

Abstract: An axle assembly with a housing, an annular gear, a bearing, a differential, and a pair of output shafts. The housing has an annular hub. The annular gear is received in the housing. The bearing, which is a four-point angular contact bearing, supports the gear for rotation about an axis relative to the housing and has an inner bearing race, which is mounted on the annular hub, and an outer bearing race that is fixedly coupled to the annular gear. The differential is received in the housing and includes an input member, which is coupled to the annular gear for rotation therewith, and a pair of output members that are rotatable relative to the input member about the output axis. Each of the output shafts is coupled to an associated one of the output members for rotation therewith. One of the output shafts extends through the annular hub.

Abstract: An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.

Abstract: An electric drive module that includes an electric motor, a differential assembly, and a transmission that transmits rotary power between the electric motor and the differential assembly. The transmission has first and second reductions. The first reduction has a drive gear, which is rotatable about a first axis, and a pair of first reduction gears that are each meshingly engaged to the drive gear rotatable about a respective second axis. The second axes are spaced apart from one another and are parallel to the first axis. The second reduction has a driven gear and a pair of second reduction gears. The driven gear is rotatable about a third axis that is parallel to the first axis. Each of the second reduction gears is being meshingly engaged to the driven gear and non-rotatably coupled to an associated one of the first reduction gears.

Abstract: A hybrid axle assembly that includes a housing assembly, a differential assembly received in the housing assembly, and an inside-out motor. The differential assembly is rotatable about a differential axis and has a differential input and a pair of differential outputs. The inside-out motor has a stator, which is fixedly coupled to the housing, and a rotor. The stator is disposed circumferentially about the differential input. The rotor is disposed circumferentially about the stator such that the stator is disposed radially between the differential input and the rotor. The rotor is drivingly coupled to the differential input.

Abstract: An electric drive module that includes an electric motor, a differential assembly, and a transmission that transmits rotary power between the electric motor and the differential assembly. The transmission has first and second reductions. The first reduction has a drive gear, which is rotatable about a first axis, and a pair of first reduction gears that are each meshingly engaged to the drive gear rotatable about a respective second axis. The second axes are spaced apart from one another and are parallel to the first axis. The second reduction has a driven gear and a pair of second reduction gears. The driven gear is rotatable about a third axis that is parallel to the first axis. Each of the second reduction gears is being meshingly engaged to the driven gear and non-rotatably coupled to an associated one of the first reduction gears.

Abstract: An electrical assembly that includes a semiconductor die, a heat sink and a case. The semiconductor die includes a power semiconductor device with a plurality of terminals, and a plurality of electrically conductive leads. Each of the electrically conductive leads is electrically coupled to an associated one of the terminals on the power semiconductor device. The heat sink has a base, a mount, and a plurality of fins. The mount extends from a first side of the base and is coupled to the semiconductor die. The fins are fixedly coupled to the base and extend from a second side of the base that is opposite the first side of the base. The case is formed of a first electrically insulating material. A first one of the leads is integrally and unitarily formed with the mount.

Abstract: An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.

Abstract: An axle assembly with a carrier housing, an input pinion and a ring gear. The input pinion includes pinion gear teeth and is supported for rotation about a first axis relative to the carrier housing via first and second bearings. The ring gear includes ring gear teeth that are meshed to the pinion gear teeth and a third bearing supports the ring gear for rotation about the second axis relative to the carrier housing. The third bearing is disposed along the second axis on a side of the ring gear that is opposite the first axis.

Abstract: The present disclosure relates to a transmission system having a transmission subsystem, a transmission housing for housing the transmission subsystem, and a rotor operably associated with the transmission subsystem. The rotor has a weight and dimension to act as a flywheel. At least one stator pole segment is housed within the transmission housing and has at least one stator winding thereon positioned in proximity to a surface of the rotor. An inverter communicates with the stator winding and electrically energizes the winding to cause rotation of the rotor.

Abstract: An electric motor can include a stator body defining fluid channels extending axially for fluid communication between axial ends of the stator body. Conductive windings can form first loops extending axially outward from the first end of the stator body and second loops extending axially outward from the second end of the stator body. A first cap can be coupled to the first end of the stator body and can include a first wall. The first wall can be between the first loops and the channels. Pins can extend from a side of the first wall that is opposite the first loops. The second cap can be coupled to the second end of the stator body and include a second wall. The second wall can be between the second loops and the channels. Pins can extend from a side of the second wall that is opposite the second loops.