Vehicle/engine operational parameter responsive clutch control

Details Vehicle/engine operational parameter responsive clutch control Vehicle/engine operational parameter responsive clutch control

1983-10-20

1986-04-22

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0096, 192103R, B60K 4102

Patent

active

045836272

ABSTRACT:
A control system for a hydraulic clutch comprises a starting valve and a complete engagement control valve coupled with the starting valve. The starting valve supplies to the clutch a regulated fluid pressure which is elevated in accordance with a revolution speed of an engine when it is in a start fluid pressure regulating state and which is higher than the regulated fluid pressure provided in said start fluid pressure regulating state when it is in said complete engagement fluid pressure regulating state when it is in a complete engagement fluid pressure regulating state. The complete engagement control valve shifts the starting valve from the start fluid pressure regulating state to the complete engagement fluid pressure regulating state when the vehicle speed exceeds a complete engagement vehicle speed.

REFERENCES:
patent: 3004447 (1961-10-01), Sand
patent: 3951009 (1976-04-01), Audifferd et al.
patent: 4295551 (1981-10-01), Zimmerman et al.
patent: 4459878 (1984-07-01), Frank
patent: 4478105 (1984-10-01), Yamamuro et al.

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