Minimum purge volume hydraulic clutch actuator

Details Minimum purge volume hydraulic clutch actuator Minimum purge volume hydraulic clutch actuator

1983-02-22

1986-03-11

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

188 724, 91 31, 91443, F16D 25061

Patent

active

045749310

ABSTRACT:
An improved disk clutch structure in which a hydraulic piston provides the force to cause frictional contact between clutch plates. The invention resides in the use of a drain conduit and pressure responsive drain valve in combination with a vent conduit and a pressure responsive vent valve to remove hydraulic fluid from the hydraulic cylinder on inactivation of the clutch with the location of conduits being such that removal of the fluid from the cylinder is assisted by centrifugal forces created by moving clutch parts and such that only the hydraulic cylinder is evacuated.

REFERENCES:
patent: 2178017 (1939-10-01), Fedden et al.
patent: 2297480 (1942-09-01), Kratzman
patent: 2518016 (1950-08-01), Johnson et al.
patent: 2633218 (1953-03-01), Pielstick
patent: 2710086 (1955-06-01), Stahl
patent: 2954040 (1960-09-01), Bolster
patent: 3360087 (1967-12-01), Hilbert
patent: 3415345 (1968-12-01), Cadiou
patent: 3814226 (1974-06-01), White
patent: 3815698 (1974-06-01), Reed
patent: 3863746 (1975-02-01), Schulz
patent: 4036344 (1977-07-01), Nolan
patent: 4333552 (1982-06-01), LaMarche
patent: 4345488 (1982-08-01), Reed

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