Power transmission

Details Power transmission Power transmission

1986-08-29

1988-03-22

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 4891, 192 85AA, 192 8715, 192106F, F16D 25063, F16D 2510

Patent

active

047322535

ABSTRACT:
A power transmission includes two piston-type actuators for selectively engaging and releasing their associated clutches. Each of the actuators is designed in such a way that in order to compensate a centrifugal hydraulic pressure to be developed in a working fluid chamber by a remaining hydraulic fluid upon release of the clutch, a centrifugal hydraulic pressure chamber is formed on the side opposite to the working fluid chamber relative to a piston and a centrifugal hydraulic pressure equal to the centrifugal hydraulic pressure in the working fluid chamber is produced in the centrifugal hydraulic pressure chamber. A partition forming the centrifugal hydraulic pressure chamber also serves as a cylinder forming the working fluid chamber of the other actuator.

REFERENCES:
patent: 2381786 (1945-08-01), Tyler
patent: 2919778 (1960-01-01), Aschauer
patent: 3554057 (1971-01-01), Michnay et al.
patent: 3747727 (1973-07-01), Dach et al.
patent: 4573560 (1986-03-01), Eguchi
ZF Transmission Publication, pp. 3-15 (no date).
"Design Practices--Passenger Car Automatic Transmissions"--Part 1, SAE, p. 97, Copyright 1962.

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