Four wheel drive power transmission system with clutch between c

Details Four wheel drive power transmission system with clutch between c Four wheel drive power transmission system with clutch between c

1986-09-03

1988-09-06

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74714, 180249, F16H 144.5

Patent

active

047683996

ABSTRACT:
In a four wheel drive power transmission system for an automotive vehicle, including a planetary gear mechanism wherein the carrier, the ring gear and the sun gear thereof operate as a power input member, a first power output member for driving either of a pair of front wheels or a pair of rear wheels and a second power output member for driving the other of the pair of front wheels and the pair of rear wheels, respectively, the planetary gear mechanism being selectively locked to rotate as a unitary rotational member, a clutch is incorporated in a rotational power transmitting system for rotationally connecting the ring gear with either the pair of front wheels or the pair of rear wheels so as selectively to intercept the rotational power transmitting system between, wherein the first power output member provides hundred percent front or rear wheel drive when operated with the planetary gear mechanism being locked, while the second power output member provides high percentage opposite rear or front wheel drive when the planetary gear mechanism is not locked.

REFERENCES:
patent: 3828877 (1974-08-01), Fogelberg
patent: 3941199 (1976-03-01), Williams
patent: 3963085 (1976-06-01), Vinton
patent: 4074591 (1978-02-01), Dick
patent: 4298085 (1981-11-01), Moroto et al.
patent: 4552241 (1985-11-01), Suzuki
patent: 4566554 (1986-01-01), Suzuki
Patent Abstracts of Japan, vol. 9, No. 92 (M-373), [1815], 20th Apr. 1985; & JP-A-59 216 766 (Nissan Jidosha K.K.), 6/12/84.

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