Control valve for a hydraulic clutch

Details Control valve for a hydraulic clutch Control valve for a hydraulic clutch

1984-08-10

1986-09-16

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 85R, B60K 4102

Patent

active

046116990

ABSTRACT:
A control valve for a hydraulic clutch system comprising a cylindrical valve body; a first piston slidably fitted into the valve body; a second piston slidably fitted into the valve body; a rod connecting both pistons together; a control chamber formed between both pistons and around the rod; an inlet connecting the chamber to a supply passage connected to a hydraulic source; an outlet connecting the chamber to a supply passage connected to a hydraulic clutch; a leak port connecting the chamber to a drain passage; a first forcing mechanism operable to force the first piston toward the second piston by a force according to the rotation speed of an engine; and a second forcing mechanism operable to force the second piston toward the first piston by a force according to the opening degree of the throttle.

REFERENCES:
patent: 2809536 (1957-10-01), O'Malley
patent: 3466950 (1969-09-01), Mummert
patent: 4444297 (1984-04-01), Parsons

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