Abstract: A speed reducer with a falling-off prevention feature according to an aspect of the disclosure includes: a speed reducer for decelerating rotation from a drive source that generates a rotational force and outputting the decelerated rotation, the speed reducer being mounted to a robot; and a coupling member for coupling the speed reducer to the robot. The coupling member maintains coupling between the speed reducer and the robot irrespective of displacement of the speed reducer relative to the robot.

Abstract: A braking force control device includes a target acceleration calculation unit that calculates a first target acceleration based on an acquired operation amount of an accelerator pedal, a powertrain capability acquisition unit that acquires a braking force that is generable by a powertrain, and an instruction unit that instructs generation of braking forces in the powertrain and a brake. The instruction unit is configured to, when a first braking force for achieving the first target acceleration is equal to or less than the braking force that is generable by the powertrain, instruct a controller of the powertrain to generate the first braking force, and when the first braking force is larger than the braking force that is generable by the powertrain, instruct the controller of the powertrain to generate the braking force that is generable by the powertrain.

Abstract: A final drive assembly is provided for powering a ground-engaging mechanism of a work machine. The final drive assembly includes a plurality of power-transferring devices each having an output and a planetary gearset assembly including a plurality of planetary inputs and a planetary output. The planetary output is configured to transfer power from the plurality of planetary inputs to the ground-engaging mechanism. Each of the plurality of planetary inputs is coupled to one output of the plurality of power-transferring devices.

Abstract: A transmission with a differential locking unit which comprises an input shaft (10), first and second output shafts (11, 12), and first and second planetary gear sets (P1, P2). Torque introduced, via the input shaft (10), is converted and distributed to the two output shafts (11, 12) in a defined ratio, and development of a sum torque is prevented. The differential locking unit comprises an epicyclic gearing (P3) as well as a switching element (B 1). The epicyclic gearing (P3) has at least three connection shafts (3), a first connection shaft (WI) is rotationally fixed to a linking shaft (3), a second connection shaft (W2) is rotationally fixed to the second element (E21) of the first planetary gear set (PI), which is rotationally fixed to the first output shaft (11). A third connection shaft (W3) can be secured to a rotationally fixed component (GG) by the switching element (B 1).

Abstract: There is provided a technique capable of increasing support rigidity of a bearing when a support member expands due to moisture absorption. A power transmission device includes: a rotary shaft; a support member disposed outside the rotary shaft in a radial direction; a bearing disposed between the rotary shaft and the support member; and a fitting member fitted to an outer peripheral portion of the support member. The fitting member is made of a material having lower hygroscopicity than hygroscopicity of a material of the support member.

Abstract: The present document relates to an electric drive axle comprising an electric motor, a first planetary gear set, a second planetary gear set, and a differential assembly. The electric motor is drivingly connected or drivingly connectable to the differential assembly via the first planetary gear set and via the second planetary gear set.

Abstract: A driveline component includes a housing, a first rotating component and a second rotating component, an actuator and a biasing component. The actuator has a body coupled to the first rotating component, the actuator drives the body relative to the second rotating component, and the body is movable between a first position in which the body is not coupled with the second rotating component and a second position in which the body is coupled with the second rotating component. The biasing component has a retainer and a spring, the retainer is in contact with a stop surface that limits movement of the retainer, the spring is fixed to the retainer on one side of the spring and the spring is contacted by the body during at least a portion of the movement of the body to provide a biasing force on the body.

Abstract: A dual motor electric drive axle apparatus is disclosed that is enclosed within a single housing. First and second motors are disposed in the housing. First and second rotor shafts, and first and second chain drives including first and second driving sprockets are connected to the first rotor shaft. A first chain, and a first driven sprocket are connected to the first and second driving shafts by first and second chain respectively. First and second planetary gear sets having first and second input shafts are connected to the first and second driven sprockets. First and second output shafts are connected to first and second constant velocity joints that are located outside the housing. First and second axles are connected to the first and second constant velocity joints and are adapted to rotate first and second wheels respectively.

Abstract: The present invention provides a transmission mechanism which is suited to miniaturization and can reduce motion transmission errors. This transmission mechanism includes: a cam; a plurality of pins arrayed along a side surface of the cam; guide plates provided with a plurality of guide holes; and a pair of gears disposed so as to sandwich the cam. Each pin contacts only one of the pair of gears, and is guided to the corresponding guide hole in conjunction with the rotation of the cam and moves along the cam and the corresponding gear, thereby causing the guide plates or the pair of gears to rotate with respect to the cam.

Abstract: An axle assembly having an interaxle differential unit. The interaxle differential unit includes first and second side gears and a gear nest but does not have a case. The gear nest includes a spider having at least one spider shaft, a pinion gear that is rotatably disposed on the spider shaft, and a pinion gear retainer that is fastened to the spider shaft to retain the pinion gear.

Abstract: A mechanism including a first pair of races having a first pair of raceways and a first rolling element operable to roll between the first pair of raceways, wherein at least one of the first pair of raceways has a substantially variable curvature along at least a portion of a path of the first rolling element. A program product that determines a solution by adjusting the curvature of a first pair of raceways on opposite sides of a rolling element, at least one of the first pair of raceways having a substantially variable curvature along the contact points in the direction of the corresponding range of motion for the rolling element.

Abstract: A hollow reducer for high precision control includes a pin wheel housing and two-stage reduction components disposed in the pin wheel housing. A first-stage reduction component includes a driving wheel on a servo motor, a dual gear, and a planet wheel; and a second-stage reduction component includes 2-3 eccentric shafts distributed uniformly, cycloidal gears, a pin, rigid disks, and bearings, wherein two eccentric sections of the eccentric shaft support the cycloidal gears by means of the bearings, shaft extensions on two sides of the eccentric section of the eccentric shaft are supported on the left and right rigid disks by the bearings, and the rigid disks are supported on two sides of the pin wheel housing by the bearings.

Abstract: A drive axle of a vehicle includes an electric motor having an output shaft. At least one of a gear and a planetary gear set is operably connected to the output shaft of the electric motor. The at least one of the gear and the planetary gear set is operably connected to a differential configured to transfer torque to two axle half shafts of the vehicle. At least one clutch configured to facilitate a plurality of gear ratios between the electric motor and the differential.

Abstract: A vehicle differential configured to enable variable speed between a first output shaft and a second output shaft, the vehicle differential including a ring gear, a first planetary gear carrier, the first planetary gear carrier carrying a plurality of first planetary gears at least partially positioned within the ring gear, the first planetary gear carrier operably coupled to a first output shaft, a second planetary gear carrier, the second planetary gear carrier carrying a plurality of second planetary gears at least partially positioned within the ring gear, the second planetary gear carrier operably coupled to a second output shaft, a first sun gear at least partially positioned within the plurality of first planetary gears, a second sun gear at least partially positioned within plurality of the second planetary gears, and a distributor shaft and reversal gear operably coupling the first sun gear to the second sun gear.

Abstract: An electric drive unit and a drive axle system having an electric drive unit. The drive axle system also includes a drive shaft and an axle assembly that that is remotely positioned from the electric drive unit. The drive shaft operatively connects the electric drive unit to the axle assembly.

Abstract: A planetary gear train automatic limited slip differential may consist of a main differential, a planetary gear train differential controller, a left axle shaft, a right axle shaft, and a clutch. The planetary gear train differential controller may be composed of a first planetary gear train differential controller unit and a second planetary gear train differential controller unit. The first planetary gear train differential controller unit may be composed of a first planetary gear train and a first overrunning clutch connected to the first planetary gear train. The second planetary gear train differential controller unit may be composed of a second planetary gear train and a second overrunning clutch connected to the second planetary gear train.

Abstract: A variety of transmissions, and improvements thereof, are provided having improved efficiency and other benefits. The transmissions include one or more inner members that are driven by one or more cams or other means to engage in precessional rotation about an axis of rotation that, itself, orbits about a primary axis of rotation. A plurality of shaped rollers are in contact with shaped cutouts on the inner member(s) and on a ground member such that an input rotation/torque applied via the cam is realized as an output rotation/torque at an output member that is coupled to the inner member(s). Tire rollers and contact surfaces are shaped such that the rollers engage in rolling motion relative to the contact surfaces, providing improved efficiency. Multiple inner members, and corresponding sets of shaped rollers, can be provided to increase power capacity, reduce torque ripple, reduce wobble, or provide other benefits.

Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. One opposing part of a pair of opposing parts opposite to each other in the housing cover and the carrier cover includes a cone-shaped part whose diameter varies in the axial direction, and the other opposing part of the pair of opposing parts includes a sliding part configured to slide on a peripheral surface of the cone-shaped part with a same axis as an axis of the cone-shaped part.

Abstract: A traction device including a ring member, a carrier, and a sun member and an electric motor, wherein the electric motor is coupled to at least one of the ring member, the carrier, and the sun member.

Abstract: An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.