A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing includes a single external power access for the shift actuator. A controller interprets a shaft displacement angle, determines if the transmission is in an imminent zero or zero torque region, and performs a transmission operation in response to the transmission in the imminent zero or zero torque region.

A transmission includes an input shaft and an output shaft, the input shaft selectively accepting a torque input from a prime mover, and the output shaft selectively providing torque output to a driveline. A controller determines a shaft displacement angle representing an angle value of rotational displacement difference between at least two shafts of the transmission, and performs a transmission operation responsive to the shaft displacement angle.

A gearbox for a planetary gear having a hollow-cylindrical housing body having a first internal gear, and a bearing flange engaging at least in sections coaxially in the housing body, so that an overlap area is formed, wherein the housing body and the bearing flange are firmly bonded to each other in the overlap area by laser irradiation welding. The bearing flange has a second internal gear in the overlap area. The gearbox relates to a planetary gear and a motor/transmission combination having such a gearbox and a production method thereof.

A planetary power transmission device includes a ring member; a sun member; a first shaft disposed concentrically with the sun member and fixed to the sun member; a plurality of planetary members provided between the ring member and the sun member; support shafts configured to respectively support the planetary members such that the planetary members are rotatable; a carrier member to which the support shafts are fixed, the carrier member being configured to rotate in accordance with revolution of the planetary members along an inner peripheral surface of the ring member; a second shaft fixed to the carrier member so as to be concentric with the first shaft; and a housing configured to accommodate the ring member, the sun member, the planetary members, and the carrier member. An outer peripheral surface of the carrier member is rotatably supported by the housing via a bearing.

A bearing assembly for supporting a helical-wheel shaft of a helical planetary gear, in particular an adjustment device in vehicles for adjusting two mutually adjustable vehicle parts, wherein the helical-wheel planetary gear is a helical-wheel shaft with a helical-gear toothing, which shaft is rotatably mounted about a helical-wheel shaft axis, and a planetary carrier comprising at least three helical planetary gears, each rotatably mounted in the planetary carrier about a planetary gear axis, and each having a planetary gear toothing, wherein the helical gear planetary axes extend obliquely to the helical-wheel shaft axis, and the bearing assembly for supporting the helical gear shaft has a first bearing section and a second bearing section, wherein the first bearing section consists of an axial and radial bearing, and the second bearing section consists of helical-wheel planetary gears, wherein the planetary gear toothing in the second bearing section meshes with the helical-gear toothing.

A traction drive system for a vehicle includes a housing, a high-speed motor, a motor controller, a transmission, a cooling system, and a lubricating oil system. The housing defines a motor cavity, an electronics cavity, an oil cavity, and a cooling fluid cavity. The cooling fluid cavity is thermally coupled to each of the motor, electronics, and oil cavities. The high-speed motor is substantially within the motor cavity and coupled to a lubricating oil system fluidically coupled to the oil cavity. The motor controller includes electronics within the electronics cavity. The transmission is mechanically coupled to the high-speed motor and coupled to the lubricating oil system fluidically coupled to the oil cavity. The cooling system is fluidically coupled to the cooling fluid cavity and configured to cool the high-speed motor, the motor controller, and the lubricating oil system.

Provided is a driving apparatus that can be miniaturized while maintaining necessary output. A driving apparatus (1) comprises a motor (10), an intermediate gear train (20) including at least one gear that transmits power generated by the motor (10), and an output shaft (30) to output driving power to outside. Furthermore, the driving apparatus (1) comprises a torque limiter (40) provided between the intermediate gear train (20) and the output shaft (30), to enable cutoff of the transmission of the power between the intermediate gear train (20) and the output shaft (30), and a planetary gear mechanism (50) provided between the torque limiter (40) and the output shaft (30). The planetary gear mechanism (50) is disposed in parallel with the motor (10).

In an electric actuator, an output shaft has a housing recess. An end of a motor shaft is housed in the housing recess. A first bearing supports the motor shaft in the housing recess. The motor shaft has an eccentric shaft. A deceleration mechanism includes an external gear connected to the eccentric shaft via a second bearing, an internal gear engaged with the external gear, a flange part expanding from the output shaft, and protrusions protruding from the flange part and disposed along the circumferential direction. The external gear has holes recessed on the other side in the axial direction. The holes are disposed along the circumferential direction and each have an inner diameter larger than the outer diameter of the protrusion. The protrusions are inserted into the holes respectively and support the external gear to be swingable around the central axis via the inner surfaces of the holes.

A planetary transmission includes at least two planetary stages. A sun shaft of a planetary stage of the at least two planetary stages is connected for transmission of torque via a coupling toothing system to a planetary carrier of a second transmission stage of the at least two planetary stages that follows the first transmission stage. The coupling toothing system is a flat notch toothing system. A drive train of a wind power plant, in which a corresponding planetary transmission is used as transmission, is also provided. A wind power plant that is equipped with a corresponding drive train is provided. An industrial application that has a corresponding planetary transmission as transmission is also provided.

A variable speed transmission disposed in a housing includes a transmission input shaft and a transmission output shaft. A power take off is disposed in the housing and includes a power take off output shaft and a clutch/brake mechanism having a clutch input hub engaged to and driven by the transmission input shaft, a cage engaged to the clutch input hub, a brake stator and a brake rotor and carrier being selectively engageable with the cage and alternately selectively engageable with the brake stator. An output hub is rotatably driven by the brake rotor; and a biasing member is disposed between the cage and the brake rotor to bias the brake rotor to engagement with the brake stator.