Method and apparatus for rotating hydraulic control rods

Details Method and apparatus for rotating hydraulic control rods Method and apparatus for rotating hydraulic control rods

1975-11-12

1977-02-08

Cohan, Alan

Fluid handling

Processes

137331, F16K 2900

Patent

active

040067513

ABSTRACT:
A method and an apparatus for imparting rotational movement to a control rod which is reciprocably inserted in a hydraulic circuit for controlling flows of fluid pressure from a pressure source to an actuator, wherein the operating fluid pressure is by-passed to a rotating mechanism which is disengageably associated with one end of the control rod, thereby driving the rotating mechanism to engage and rotate the control rod through a certain angle upon actuation of the hydraulic circuit.

REFERENCES:
patent: 1908396 (1933-05-01), Albright
patent: 3159173 (1964-12-01), Fremon
patent: 3504696 (1970-04-01), McCurley

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