Fast fill hydraulic clutch

Details Fast fill hydraulic clutch Fast fill hydraulic clutch

1988-01-15

1990-08-14

Braun, Leslie A.

192 clutches and power-stop control

Clutches

Operators

192106F, 192113B, F16D 25063

Patent

active

049479741

ABSTRACT:
A hydraulic clutch assembly having a hydraulic circuit that is filled with oil even when the clutch is deactivated. The piston of the clutch is provided with a sealing assembly which bifrucates the cylinder into a filled an unfilled portion. The sealing assembly is located so that the centrifugal head attributable to the hydraulic fluid does not exceed the spring force of the biasing springs of the clutch piston. The sealing assembly comprises a circular land that is machined into the piston face.

REFERENCES:
patent: 3378111 (1968-04-01), Greer et al.
patent: 3872956 (1975-03-01), Herr et al.
patent: 4186829 (1980-02-01), Schneider et al.
patent: 4425879 (1984-01-01), Shadday et al.
patent: 4502582 (1985-03-01), Lech, Jr. et al.
patent: 4664242 (1987-05-01), Downs
patent: 4706789 (1987-11-01), McColl et al.

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