192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1977-04-18
1978-05-30
Wyche, Benjamin W.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192103FA, 192 41R, F16D 43284, F16H 4118
Patent
active
040918998
ABSTRACT:
A torque converter and lock-up clutch in which a single plate fluid operated clutch is disposed between the turbine and the input shell of the torque converter. The clutch engagement chamber is formed between the turbine and the clutch plate while a clutch disengagement chamber is formed between the input shell and the clutch plate. A normally open centrifugally responsive valve is mounted on the clutch and provides a controlled flow path between the engagement and disengagement chambers in response to clutch speed thereby controlling the pressure differential between the chambers when the clutch speed is less than a predetermined value. A normally closed centrifugally responsive valve is mounted on the clutch and provides a controlled flow path between the engagement and disengagement chambers in response to the speed of the clutch, thereby controlling the engagement force of the clutch when the speed of the clutch is equal to or greater than the predetermined speed.
REFERENCES:
patent: 2404657 (1946-07-01), Roberts et al.
patent: 3390594 (1968-07-01), Gillespie
patent: 3410378 (1968-11-01), Maurice
patent: 3693478 (1972-09-01), Malloy
General Motors Corporation
Scherer Donald F.
Wyche Benjamin W.
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