A bevel gear wheel end assembly having a housing, an input bevel gear, at least one driven bevel gear and a stationary bevel gear. The input bevel gear meshes with at least one driven bevel gear, at least one driven bevel gear is mounted on a shaft fixed relative to the housing, and at least one driven bevel gear meshes with the stationary bevel gear such that rotation of the input bevel gear about a drive axis at a first speed causes rotation of the housing about the drive axis at a second speed. An oil relief arrangement is provided in the shaft of at least one driven bevel gear.

An electric phaser for dynamically adjusting a rotational relationship of a camshaft with respect to an engine crankshaft of an internal combustion engine includes an electric motor and a tapered roller drive. The tapered roller drive includes a sun, rollers, a carrier, at least one ring, and at least one load generator providing an axial load. The rollers are maintained in rolling engagement with the sun and the ring without the use of teeth. In some embodiments, the tapered roller drive is based on a fixed-sun design. In other embodiments, the tapered roller drive is based on a split ring design.

The subject matter of the invention is a trackless tugger train having at least one transportation module and at least two axle modules. Each transportation module is arranged between two axle modules, wherein each axle module has a wheel axle and a steering device for steering the wheel axle, wherein the steering devices of the axle module are embodied in each case in such a way that each steering device steers the axle module which is assigned to it, independently of a steering device of another axle module.

Disclosed is a multi-gear torquer with end covers on both sides of the casing. An input shaft and an output shaft are respectively arranged at the center of the two end covers. A sun gear is fixed on the input shaft and moves along a planet gear engaged in the transmission mechanism. The planet gear meshes with a gear ring and moves around the sun gear, then the planet gear drives the turntable centrally fixed with the output shaft connected to the load end. The multi-gear torquer disclosed herein has the following advantages: large output torque and high mechanical efficiency, and it can be used as power transmission equipment for a car or a train and used as other mechanical transmission equipment.

An aircraft drive chain including a plurality of main pinions meshing with each other, a first main pinion including a wall delimiting an inner volume, external teeth being provided on an outer surface of the wall, the external teeth meshing with at least one second main pinion, a gear system being incorporated in the inner volume, the first main pinion and the gear system being jointly configured to form a multiplier or reducer and to ensure a mechanical energy transfer between a driving member and a slave member.

An electric phaser for dynamically adjusting a rotational relationship of a camshaft with respect to an engine crankshaft of an internal combustion engine includes an electric motor and a tapered roller drive. The tapered roller drive includes a sun, rollers, a carrier, at least one ring, and at least one load generator providing an axial load. The rollers are maintained in rolling engagement with the sun and the ring without the use of teeth. In some embodiments, the tapered roller drive is based on a fixed-sun design. In other embodiments, the tapered roller drive is based on a split ring design.

A compound planetary mechanism includes a frame, a first carrier for undergoing rotation about a central axis of rotation of the first carrier, a first gear, a second gear for undergoing rotation about the central axis of rotation, and at least one planetary mechanism having a second carrier supported on the first carrier for undergoing rotation about a planetary axis and disposed substantially parallel to and a distance from the central axis of rotation. The second carrier includes a first shaft supported on the second carrier for undergoing rotation about a satellite axis forming an angle between zero and ninety degrees with the planetary axis, a third gear connected to a first end of the first shaft coaxially with the satellite axis, and a fourth gear connected to a second end of the first shaft coaxially with the satellite axis. The mechanism further includes a second shaft configured to rotate freely and endlessly about the planetary axis, a fifth gear connected to a first end of the second shaft coaxially with the planetary axis and cooperating with the first gear, a sixth gear connected to a second end of the second shaft coaxially with the planetary axis and cooperating with the third gear, a third shaft supported on the second carrier and configured to rotate freely and endlessly about the planetary axis, a seventh gear connected to a first end of the third shaft coaxially with the planetary axis and cooperating with the fourth gear, and an eighth gear cooperating with the second gear and connected coaxially with the planetary axis either to a second end of the third shaft or to the second carrier.

The present invention provides a solar photovoltaic rotation device installed the top of a pole so as to rotate a solar panel array, the device comprising: a first tubular body; a second tubular body; a gear unit; and a driving motor, wherein the gear unit is formed as a planet gear set comprising: a sun gear connected to a rotational shaft of the driving motor; multiple PL gears disposed around the sun gear to be engaged with the sun gear; and a ring gear disposed outside of the multiple PL gears to be engaged with the PL gears, the ring gear being fixed to the first tubular body, and at least one among the sun gear, the PL gears, and the ring gear has inclined teeth formed on the circumferential surface thereof, and thus has a tapered structure.

The present disclosure relate to a gear train comprising an input and an output wherein power is transferred between input and output via two or more gears (13) in parallel, such as a planetary gear train. Each of the two or more gears (13) are beveled, and arranged to rotate about a respective gear shaft (15), and each of the gears (13) are displaceable in the axial direction of its gear shaft (15). An equalizing arrangement (25) is provided that interconnects the gears (13) such that they are subjected to a similar force of application in their respective axial directions.

In a gear mechanism having a gear stage, the input shaft is oriented coaxially to the output shaft. The first planet carrier is connected to the input shaft for conjoint rotation, e.g., is integrally formed therewith. The first gear wheel is connected to the second gear wheel for conjoint rotation, the first planet gear is connected to the second planet gear for conjoint rotation, and the first crown-toothed gear is connected to the housing for conjoint rotation. The toothing of the first planet gear meshes with the toothing of the first crown-toothed gear, and the toothing of the second planet gear meshes with a crown toothing formed on the second planet carrier. A bearing for rotatably mounting the first and second gear wheel is received in the second planet carrier, the toothing of the first gear wheel meshes with the toothing of the second crown-toothed gear, the second crown-toothed gear is connected to the housing for conjoint rotation, and the toothing of the second gear wheel meshes with a crown toothing of the output shaft.