Torque distribution control system for a four-wheel drive motor

Planetary gear transmission systems or components – Differential planetary gearing – Spur gear differential

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180248, 180249, F16H 142

Patent

active

051712946

ABSTRACT:
A system for controlling torque distributed to front wheels and rear wheels of a motor vehicle comprises a planetary gear device including a first sun gear connected to an output shaft of a transmission, a carrier, first and second planetary pinions coupled with each other and rotatably supported on the carrier, and a second sun gear disposed between a front torque transmitting member and a rear torque transmitting member. The first planetary pinion is engaged with the first sun gear, and the second planetary pinion is engaged with the second sun gear. A fluid operated multiple-disk clutch is disposed between the carrier and the rear torque transmitting member so as to restrict the differential operation of the planetary gear device.

REFERENCES:
patent: 4466502 (1984-08-01), Sakai
patent: 4481877 (1984-11-01), Takano et al.
patent: 4691593 (1987-09-01), Mueller
patent: 4779487 (1988-10-01), Pitsch et al.
patent: 4882950 (1989-11-01), Gausrab et al.
patent: 4884650 (1989-12-01), Fujiki et al.
patent: 5066268 (1991-11-01), Kobayashi

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