Hydraulic coupling with a lock-up clutch

Details Hydraulic coupling with a lock-up clutch Hydraulic coupling with a lock-up clutch

1975-11-21

1978-08-22

Wyche, Benjamin W.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 86, F16H 4502

Patent

active

041082893

ABSTRACT:
A hydraulic transmission with a lock-up clutch comprising a housing which encloses a fluid transmission device like a torque converter and a mechanical lock-up clutch. The clutch includes a flexible disc which divides the chamber space confined by said housing into first and second chambers and may be selectively biased toward said first or second chamber due to a pressure difference generated between the two chambers. The flexible disc includes an opening through which a fluid circuit communicating through the first and second chambers in series is established to actuate, selectively either said torque converter or said lock-up clutch.

REFERENCES:
patent: 2623411 (1952-12-01), Herndon
patent: 2694948 (1954-11-01), McFarland
patent: 2726557 (1955-12-01), Ackerman
patent: 3185273 (1965-05-01), Smirl
patent: 3338358 (1967-08-01), Christenson et al.
patent: 3693478 (1972-09-01), Malloy

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