Fluid actuation device with compensation for wear

Details Fluid actuation device with compensation for wear Fluid actuation device with compensation for wear

1985-08-28

1987-03-31

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

60589, 60593, 91189A, 92 6D, 192111A, 188347, F16D 1375

Patent

active

046532722

ABSTRACT:
Fluid actuation device with compensation for wear, particularly for friction clutch mechanisms of the type having a cylinder in which there are placed a first piston resting on a spring and a second piston extended by a declutching control rod, and in which the space between the pistons is filled with an incompressible fluid. The cylinder carries a separation wall between two compartments which house respectively the first and the second pistons. An orifice for communication between said compartments carried by the separation wall is associated with a stopper valve rigidly connected to a membrane that is subjected to a pressure for control and transmission of a thrust force on the cylinder and for driving the control rod.

REFERENCES:
patent: 3830061 (1974-08-01), Severinsson
patent: 4215625 (1980-08-01), Hoffmann et al.
patent: 4300351 (1981-11-01), Grullmeier

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