Device for controlling a lock-up clutch in an automatic transmis

Details Device for controlling a lock-up clutch in an automatic transmis Device for controlling a lock-up clutch in an automatic transmis

1976-07-09

1978-06-20

Wyche, Benjamin W.

Machine element or mechanism

Gearing

192 329, 74731, 74733, F16H 4700, F16D 3700

Patent

active

040954862

ABSTRACT:
A device for controlling a lock-up clutch incorporated in an automatic transmission together with a torque converter, wherein engagement and disengagement of the lock-up clutch are controlled by utilizing transitional variation characteristic of the oil pressure supplied to oil pressure servo means incorporated in the transmission.

REFERENCES:
patent: 2824632 (1958-02-01), Lucia et al.
patent: 3059740 (1962-10-01), Roche
patent: 3638771 (1972-02-01), Chana
patent: 3705642 (1972-12-01), Thompson
patent: 3719093 (1973-03-01), Edmonds

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