Fluid-pressure operated actuator with follow-up transmission

Details Fluid-pressure operated actuator with follow-up transmission Fluid-pressure operated actuator with follow-up transmission

1975-07-21

1976-11-23

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Like rotary members

418270, 91380, 91382, F15B 910, F01C 118, F01C 2100

Patent

active

039934187

ABSTRACT:
A fluid-pressure operated actuator arrangement has a double-acting actuator device and a control valve. A three-element differential mechanism has two of its elements respectively drivingly connected to the control valve and the actuator device, and a third element resiliently coupled to an input lever. The input lever is frictionally restrained against movement. Relative movement between the lever and the third element, induced as a result of jamming the control valve, brakes the third element, increasing a torque which can be applied by the actuator device to the valve.

REFERENCES:
patent: 528183 (1894-10-01), Schleicher
patent: 742070 (1903-10-01), Saylor
patent: 1086464 (1914-02-01), Robinson
patent: 2453651 (1948-11-01), Mock
patent: 2863422 (1958-12-01), Mercier et al.
patent: 2949891 (1960-08-01), Shube

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