Fluid actuator

Details Fluid actuator Fluid actuator

1987-03-06

1989-01-03

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 85CA, 192 91A, 92 92, 92107, F16D 2504, F01B 1904

Patent

active

047950161

ABSTRACT:
This invention is a fluid actuator of the rolling lobe form in which a closed toroidal flexible membrane forms concentric rolling lobes on the inside and outside surfaces of an annular piston which moves axially into the membrane. The fluid actuator can be used in brake and clutch assemblies where the actuator is connected to a high pressure fluid source and serves to activate the brake or clutch assembly, a shaft or axle can pass through the center of the toroid.

REFERENCES:
patent: 2359516 (1944-10-01), Frank
patent: 3141523 (1964-07-01), Dickie
patent: 3187850 (1965-06-01), Russell
patent: 3627297 (1971-12-01), Gaydecki
patent: 3627298 (1971-12-01), Gaydecki
patent: 4051937 (1977-10-01), Garrett et al.
patent: 4606449 (1986-08-01), Lederman
patent: 4637505 (1987-01-01), Huber

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