Torque distribution control system for a four-wheel drive motor

Details Torque distribution control system for a four-wheel drive motor Torque distribution control system for a four-wheel drive motor

1990-08-03

1993-03-16

Lall, Parshotam S.

Boots, shoes, and leggings

36442405, 180197, 180248, B60K 17346

Patent

active

051950375

ABSTRACT:
A central differential is provided for distributing an output torque of a transmission to front wheels and rear wheels of a vehicle. A fluid-operated restricting device is provided for restricting the differential operation of the central differential. The central differential is arranged to distribute a larger torque to the rear wheels than to the front wheels. A slip ratio of the rear wheels is calculated in dependency on rear-wheel speed and vehicle speed. The fluid-operated restricting device is operated in accordance with the slip ratio, in such a manner that the restricting magnitude increases with an increase of the slip ratio.

REFERENCES:
patent: 4420059 (1983-12-01), Suzuki
patent: 4702341 (1987-10-01), Taga et al.
patent: 4727966 (1988-03-01), Hiramatsu et al.
patent: 4776424 (1988-10-01), Naito
patent: 4825368 (1989-04-01), Itoh et al.
patent: 4848508 (1989-07-01), Smirl et al.
patent: 4966249 (1990-10-01), Imaseki
patent: 4989686 (1991-02-01), Miller et al.

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