Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1975-12-29
1977-07-19
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
13759612, F15B 1308
Patent
active
040362450
ABSTRACT:
A pressure compensating valve mechanism for a hydraulic control valve, having a port through which excess supply fluid is diverted to tank by the valve element thereof in any metering position of the control valve spool. A pressure control mechanism connected with the excess fluid port of the pressure compensating valve mechanism governs flow of excess fluid to tank and minimizes jet forces on the pressure compensating valve element to thereby assure the desired precise control over the motor governed by the control valve.
REFERENCES:
patent: 3722543 (1973-03-01), Tennis
patent: 3771558 (1973-11-01), Ailshie
Cohan Alan
Michalsky Gerald A.
Sundstrand Corporation
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