Electric and fluid controls for clutch and transmission

Details Electric and fluid controls for clutch and transmission Electric and fluid controls for clutch and transmission

1973-10-17

1976-03-30

Wyche, Benjamin W.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 91R, 13762564, F16H 536, B60K 2100

Patent

active

039468429

ABSTRACT:
A gear box having driving members and driven members and hydraulically actuated means for engaging the driving members with driven members to effect gear change is provided with a friction clutch for coupling the engine to the input shaft. The friction clutch is actuated by a piston slidably disposed in a cylinder. The piston is connected to the movable part of the clutch. The piston is actuated by a hydraulically operated main valve of relatively large volume which in turn is actuated by a smaller electromagnetically operated primary valve to provide for rapid actuation of the clutch.

REFERENCES:
patent: 2756851 (1956-07-01), Collins
patent: 2924111 (1960-02-01), Backus et al.
patent: 3061058 (1962-10-01), Barth
patent: 3095757 (1963-07-01), Thoma
patent: 3103826 (1963-09-01), Jaeschke
patent: 3417845 (1968-12-01), Swanson
patent: 3439584 (1969-04-01), Kaptur
patent: 3478851 (1969-11-01), Smyth et al.
patent: 3530668 (1970-09-01), Siebers et al.
patent: 3561367 (1971-02-01), Black

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