Provided is a vehicle power device including: an inner ring as a fixed ring, an outer ring as a rotary ring which is an outer ring rotation, and a bracket a knuckle for fixing an inboard side end portion of the inner ring removably with the electric motor disposed. The electric motor is of an outer rotor motor type, and the bracket includes a bracket base portion and a bracket cylindrical portion, the bracket base portion for being attached to the knuckle and fixed to the inner ring, the bracket cylindrical portion which extends from the bracket base portion toward an outboard side is located on an outer periphery of the outer ring via a radial gap and is provided with a stator disposed on an outer peripheral surface. The rotor of the electric motor is removably attached to the wheel mounting flange via a rotor casing.

Gear unit with an integral differential arranged between an input shaft and two output shafts, having a first and a second planetary gearset with gearset elements. One gearset element is connected to an epicyclic gear train input, an output of the epicyclic gear train and a stationary component of the gear unit. A first gearset element is connected to the input shaft, a second gearset element is connected to the first output shaft, and a third gearset element is connected to a first gearset element of the second planetary gearset. A second gearset element is connectible to a second gearset element of the epicyclic gear train. A third gearset element is connected to the second output shaft. A first gearset element of the epicyclic gear train is connected to the input shaft. A third gearset element of the epicyclic gear train is connected to the stationary structural component.

A tandem wheel assembly for a work vehicle includes a tandem wheel housing, a center drive member rotatably disposed within the housing, first and second wheel end assemblies, a coupler between each wheel end drive member and the center drive member, and a brake assembly. Each wheel end assembly includes an input shaft, a wheel end drive member mounted thereon, a wheel end gear train coupled to the input shaft, an output shaft coupled to the wheel end gear train, and a wheel end hub coupled to the output shaft for supporting one of the wheels. The brake assembly is coupled to the tandem wheel housing and to the input shaft or the output shaft of at least one of the first wheel end assembly or the second wheel end assembly and reduces the amount of backlash.

An axle assembly for a low floor vehicle is described herein. The axle assembly includes an axle housing and a drive unit for driving a wheel assembly. The axle housing including a first gearbox, a second gearbox and a cradle assembly coupling the first gear box to the second gear box. The axle assembly includes first and second hub assemblies that form a first axis of rotation. The first gearbox includes an electric motor that is coupled to a transmission used to rotate an output shaft. The first gearbox also includes a differential mounted for rotation with the transmission and a first drop box mounted for rotation with the differential. The axle assembly also includes a portal axle mounted for rotation with the first drop box and extends from the first gearbox to the second gearbox wherein the portal axle forms a second axis of rotation that is offset from the first axis of rotation of the hub assemblies. The second gearbox includes a second drop box mounted for rotation with the portal axle and is adapted to drive the second hub assembly.

A compact transmission, in particular for use within a single-wheel drive unit, includes a gear carrier fixed to the frame, which has a continuous central recess, and a main transmission having an internally toothed ring gear rotatably mounted on the outside of the gear carrier, externally toothed gears arranged in front of the one of the end faces of the gear carrier and meshing with the ring gear, and an input sun shaft. The compact transmission further includes a transmission pre-stage arranged within the central recess, and a pre-stage input shaft having an externally toothed pre-stage sun wheel, a pre-stage ring gear, and at least one pre-stage intermediate gear meshing with both the pre-stage sun wheel and with the pre-stage ring gear. An additional carrier is fastened to the transmission carrier, via which the pre-stage intermediate gears are held captively in the central recess.

Disclosed are in-wheel driving devices. The devices include a wheel bearing including a hub and an outer ring disposed outward of the hub in a radial direction, a speed reducer including a carrier coupled to a wheel, an annular sealing member disposed between the hub and the carrier and brought into close contact with the carrier to seal lubricant oil supplied into the speed reducer, and wheel bolts that couple the wheel and the carrier and pass through wheel bolt holes formed in the carrier spaced apart from each other in a circumferential direction. The sealing member is concentric with a first virtual circle passing through centers of the wheel bolt holes. The first virtual circle has a larger diameter than the sealing member such that the wheel bolts are located outward of the sealing member in the radial direction.

A vehicle drive unit (11) includes a spindle (12) on which a female spline portion (12G) is formed, a wheel (15) disposed on an outer peripheral side of the spindle (12), wheel bearings 17, 18 that rotatably support the wheel (15) in relation to the spindle (12), an electric motor (21) located on an axial one side of the spindle (12), a shaft (22) connected to an output shaft (21B) of the electric motor (21), a planetary gear reduction device (25) disposed between the shaft (22) and the wheel (15), and a shaft bearing (46) that rotatably supports the shaft (22) in relation to the spindle (12). A retainer (42) retaining the shaft bearing (46) is disposed on an inner peripheral surface side of the spindle (12), and a male spline portion (42E), which is spline-coupled to a female spline portion (12G) of the spindle (12), is disposed on the retainer (42).

Methods and systems for an electric driveline are provided. In one example, the electric driveline system includes a transmission with a planetary gearset, with a first gearset component rotationally coupled to a first electric machine and a second electric machine, and a first output interface and a second output interface rotationally coupled to a first axle and a second axle, respectively, and a second gearset component in the planetary gearset. The driveline system further includes a first friction clutch configured to selectively brake a third gearset component and a second friction clutch configured to selectively couple the first gearset component to an output shaft.

A housing unit for use in an axle end assembly including first and second housing parts, wherein one of the first and the second housing parts are disposed to be mutually rotatable and define a housing interior space, wherein the first housing part for establishing on a hub has a flange, wherein the second housing part for safeguarding against rotation in relation to a stator of a wheel suspension has an engagement portion, wherein a gear wheel assembly is disposed in the housing interior space to transmit a torque of a driveshaft to the first housing part, wherein one of the first and the second housing parts, when dismantling the housing unit from the wheel suspension, are mutually established that the housing interior space remains closed such that at least 70% of the outwardly protruding faces of the housing unit are closed in a fluid-tight manner.

A portal assembly has a housing for attachment to the vehicle axle and enclosing a gear assembly having an input gear linked to the axle shaft for rotating around a first rotational axis and an output gear positioned within a second lower rotational axis that converts rotation of the input gear to rotation of the output gear. An output axle is driven by the output gear for transferring rotational force to a unit bearing located outside of the housing. The unit bearing is attached to and transfers rotational force to a wheel hub.