Power transmission for four-wheel drive vehicle

Details Power transmission for four-wheel drive vehicle Power transmission for four-wheel drive vehicle

1985-10-16

1987-03-17

Love, John J.

Land vehicles

Wheeled

Occupant propelled type

74714, B60K 17346

Patent

active

046502025

ABSTRACT:
A power transmission for a four-wheel drive vehicle includes a change-speed gearing mounted within a transmission casing, and an intermediate differential unit assembled within the transmission casing and drivingly connected to an output shaft of the change-speed gearing to be applied with a driving torque through the change-speed gearing for transmitting the driving torque to a first drive shaft for front-wheel drive and to a second drive shaft for rear-wheel drive. The differential unit comprises an input member drivingly connected to the output shaft of the change-speed gearing, a plurality of planetary gear sets coaxially arranged within the transmission casing and drivingly connected to the input member, the planetary gear sets being designed to provide a plurality of drive power trains at a different gear ratio, and a shift mechanism arranged to selectively connect one of the planetary gear sets to the first and second drive shafts.

REFERENCES:
patent: 3773130 (1973-11-01), Mueller
patent: 4357840 (1982-11-01), Winzeler
patent: 4423644 (1984-01-01), Coutant
patent: 4538700 (1985-09-01), Suzuki

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