A hub motor is disclosed, the hub motor is mounted on an axle assembly, the an axle assembly includes an axle rod and an axle sleeve, and an independent cassette flywheel is provided at one end of the axle sleeve where an end cover is located, a limiting sleeve is disposed outside of the cassette flywheel to prevent the cassette flywheel from detaching from the axle sleeve, and an anti-rotation piece for preventing rotation of the axle sleeve is provided at another end of the axle sleeve where a wheel hub is located.

Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.

A drive train for a motor vehicle has an electrical machine and a transmission, the drive shaft of which is coupled to the rotor of the electrical machine, wherein the drive train comprises a coupling device which is adapted to couple the drive shaft of the transmission to a power takeoff shaft of the transmission in order to block a rotation of the power takeoff shaft.

A transmission for an agricultural or heavy load vehicle is provided, and includes a central drive shaft, at least one planetary gearset comprising a planet carrier, at least one output drive element, and one brake device. The drive shaft is connected to the output drive element via the planetary gearset. The brake device is located between the planet carrier and the output drive element in the form of a ring gear, such that the output drive element can be coupled to the planet carrier via the brake device.

A disconnector assembly for a wheel hub transmission where the wheel hub transmission may have an input shaft that receives an input torque from a drive unit. The disconnector assembly may have a first coupling portion driven by the input shaft, and a connector having a second coupling portion and being axially displaceable between a first axial position and a second axial position. Each of the first and second coupling portions may have at least two engagement sections and at least one disengagement section positioned between the engagement sections. The engagement sections of the first and second coupling portions may engage each other when the connector assumes the first axial position. When the connector assumes the second axial position, at least one engagement section of the first and second coupling portion may be received in the disengagement section of the respective other of the first and second coupling portion.

A universal driving device includes a sun gear rotatably provided; a ring gear disposed on a rotation plane coplanar to a rotation plane of the sun gear and provided so that a rotation shaft of the ring gear is movable relative to a rotation shaft of the sun gear; and a gear train engaging the sun gear to the ring gear and configured to allow a relative motion between the rotation shaft of the sun gear and the rotation shaft of the ring gear and define a continuous power transmission state between the sun gear and the ring gear.

A power transmission apparatus may include a first motor-generator including a first stator fixed to a first housing, and a first rotor; a second motor-generator including a second stator fixed to a second housing and a second rotor; a first planetary gear set including first and third rotation elements connected to the first rotor and a first wheel, respectively, and a third rotation element; a second planetary gear set including fourth, fifth and sixth rotation elements connected to the second rotor, a second wheel, and the third rotation element, respectively; a first clutch selectively locking up the first planetary gear set by selectively connecting two out of the first to third rotation elements; a second clutch selectively locking up the second planetary gear set by selectively connecting two of the fourth to sixth rotation elements; and a brake selectively fixing the third and sixth rotation elements to a third housing.

A portal axle drive for a vehicle axle of an electric vehicle with driving wheels includes a drive shaft (AN) with an input axis (a) and an output shaft (AB) with an output and wheel axis (b). The input axis (a) and the output axis (b) have an axial or portal offset (c). A first gear stage (Ü1) is arranged between the drive shaft (AN) and the output shaft (AB). In an axial direction, a second gear stage (Ü2) is arranged next to the first gear stage (Ü1) and an engagement device (SE) is arranged next to the second gear stage (Ü2). The first gear stage (Ü1) and the second gear stage (Ü2) are engageable via the engagement device (SE).

A hydrostatic transaxle includes: a casing that is provided with an openable and closable filter insertion port and is filled with hydraulic oil; a hydraulic continuously variable transmission that is arranged inside the casing; a filter holding member that includes a support base that is a hollow cylindrical portion and oil-tightly partitions an inside of a cylinder and an outside of the cylinder, and a filter connection port that is a hollow cylindrical portion extending from a peripheral side surface of the support base and communicating with the inside of the cylinder, the support base communicating the inside of the cylinder to the port, and arranged between the center section and the casing facing the port; and a filter body that is freely inserted to and removed from the casing via the filter insertion port.

A vehicle drive device with a variable transmission includes a first driving module that provides a driving force, a second driving module that controls a transmission ratio, a reduction gear part comprising a first sun gear, a second sun gear, and a planetary gear provided inside the second driving module, and an output part connected to one of the first sun gear, the second sun gear, and the planetary gear. In particular, the first driving module is connected to another one of the first sun gear, the second sun gear, and the planetary gear that is not connected to the output part.