Vehicle power transmission mechanism

Details Vehicle power transmission mechanism Vehicle power transmission mechanism

1996-07-10

1997-12-23

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Impeller-turbine type fluid circuit and mechanical path in...

192 326, F16H 4708

Patent

active

057002193

ABSTRACT:
A vehicle power transmission mechanism which is disposed between a vehicle engine and a transmission. The vehicle power transmission mechanism includes a hydraulic coupling that inputs a power from an engine and a planetary gear unit that decreases the output rotating speed of the hydraulic coupling and transmits the rotating speed to the transmission. The planetary gear unit includes a ring gear coupled to an output of the hydraulic coupling, a plurality of planetary gears which are meshed with the ring gear, a carrier that supports the plurality of planetary gears and are coupled to a member at a side of the transmission, and a sun gear which is meshed with the plurality of planetary gears. A brake unit selectively brakes the rotation of the sun gear. A direct coupled clutch unit is configured to selectively directly transmit power from the engine to the carrier of the planetary gear unit.

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patent: 2324733 (1943-07-01), Smirl
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patent: 2917950 (1959-12-01), Duffield
patent: 2929270 (1960-03-01), Tuck et al.
patent: 3041892 (1962-07-01), Schjolin
patent: 4246997 (1981-01-01), Tarumizu
patent: 4584891 (1986-04-01), Mori
patent: 4813300 (1989-03-01), Ohkubo
patent: 4844216 (1989-07-01), Fukushima
patent: 4924978 (1990-05-01), Ohkubo
patent: 4942779 (1990-07-01), Ohkubo
patent: 5122104 (1992-06-01), Ohkubo

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