B60K17/20

Vehicle frame assembly

An assembly includes a vehicle frame having a crossmember defining a passage. The assembly includes a drive unit supported by the crossmember in the passage. The assembly includes a stabilizer fixed to the drive unit, the stabilizer permitting movement of the drive unit in a first direction relative to the passage and restricting movement of the drive unit in a second direction opposite the first direction.

FINAL DRIVE GEAR DEVICE CAPABLE OF TEMPORARILY EFFECTING DIFFERENTIAL MOTION

A gear device drivingly coupling a drive shaft with first and second axles is provided with a case coupled via gearing with the drive shaft, and rotatable about an axis; a hub that is couplable with the first axle; a clutch member retained by the case and disengageably engaged with the hub; a biasing element retaining the clutch member at a position where the clutch member engages with the hub; and a differential gear set coupling the case via gearing with the first and second axles and locked by the clutch member to prevent differential motion between the first axle and the second axle.

DRIVE CONTROL APPARATUS
20210388889 · 2021-12-16 · ·

A drive control apparatus includes a circuitry configured to operate a differential lock device of a differential device in timings which are different between a two wheel drive state and a four wheel drive state. The differential device is disposed between one of a pair of front wheels and a pair of rear wheels of the vehicle and configured to transmit a driving force from a drive source to the one of the pair of front wheels and the pair of rear wheels. The differential lock device is configured to lock a differential rotation of a pair of output members of the differential device that are differentially rotatable with respect to each other, and configured to respectively output the drive force.

Rear steering assembly for a vehicle

A four-wheeled vehicle includes: a frame; two front suspension assemblies and two rear suspension assemblies connected to the frame; two front wheels operatively connected to corresponding ones of the two front suspension assemblies; two rear wheels operatively connected to corresponding ones of the two rear suspension assemblies; a motor connected to the frame; a front differential and a rear differential operatively connecting the motor to the two front wheels and the two rear wheels respectively; and a steering system. The steering system includes a front steering assembly for steering the front wheels and a rear steering assembly for steering the rear wheels. The front steering assembly includes a user-operated steering input device. The rear steering assembly includes an actuator operatively connected to the rear wheels and operable to modify a steering angle thereof. The actuator is mounted to the frame and is disposed completely rearward of the rear differential.

Transmission with a differential locking unit
11739822 · 2023-08-29 · ·

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).

Electric axle drive device for a motor vehicle, and associated utility vehicle

An electrical axle drive device includes at least one first electrical machine, which has a stator and a rotor rotatable around a machine axis of rotation relative to the stator. A gear unit is drivable by the first electrical machine having at least one first planetary gear stage drivable by the first electrical machine and at least one first spur gear stage drivable by the first electrical machine. The device also includes at least one drive wheel of the motor vehicle being able to be rotated around a wheel axis of rotation running parallel to the machine axis of rotation and being drivable by the first electrical machine via the gear unit. The first electrical machine is arranged at least partially on a first side of the longitudinal central plane with respect to a longitudinal central plane of the vehicle that is spanned by the vehicle vertical direction and the vehicle longitudinal direction and the first spur gear stage is arranged on a second side of the longitudinal central plane opposite the first side in the vehicle transverse direction.

Drive control apparatus
11333231 · 2022-05-17 · ·

A drive control apparatus includes a circuitry configured to operate a differential lock device of a differential device in timings which are different between a two wheel drive state and a four wheel drive state. The differential device is disposed between one of a pair of front wheels and a pair of rear wheels of the vehicle and configured to transmit a driving force from a drive source to the one of the pair of front wheels and the pair of rear wheels. The differential lock device is configured to lock a differential rotation of a pair of output members of the differential device that are differentially rotatable with respect to each other, and configured to respectively output the drive force.

GEAR UNIT FOR A VEHICLE AND POWERTRAIN WITH SUCH A GEAR UNIT
20230243408 · 2023-08-03 ·

A gear unit includes an input shaft, output shafts and a differential having two planetary gearsets with a plurality of gearset elements. 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 gearset element of the second planetary gearset. A second gearset element of the second planetary gearset is connected to a housing, and a third gearset element of the second planetary gearset is connected to the second output shaft. A first output torque transmittable to the first output shaft. The gearset elements of the first planetary gearset and second planetary gearset have a helical toothing such that a torque is transmittable between the two output shafts.

GEAR UNIT FOR A VEHICLE AND POWERTRAIN WITH SUCH A GEAR UNIT
20230286376 · 2023-09-14 ·

A gear unit has a differential with two planetary gearsets and gearset elements. A first gearset element of the first planetary gearset is connected to an input shaft, a second gearset element of the first planetary gearset is connected to a first output shaft, a third gearset element of the first planetary gearset is connected to a first gearset element of the second planetary gearset, a second gearset element of the second planetary gearset is connected to a housing, and a third gearset element of the second planetary gearset is connected to a second output shaft. A first output torque is transmittable to the first output shaft. A second output torque is transmittable to the second output shaft. An actuation mechanism is arranged between the first and second output shafts for a co-rotationally fixed connection between the output shafts when the actuation mechanism is actuated.

Torque steer mitigation employing a limited slip differential on a steering axle

A method for mitigating torque steer in a vehicle having a steering axle with a limited slip differential and a pair of output members. The limited slip differential includes a pair of differential outputs and a clutch. The method includes: operating the limited slip differential with the clutch in the first condition; determining that the vehicle is in a state in which a torque steer condition is occurring or is likely to occur; and operating the clutch to reduce a torque differential between the differential outputs to mitigate the torque steer condition. A vehicle with a steering axle and a controller that is configured to operate a clutch in the steering axle to attenuate torque steer is also provided.