Pressure compensated control valves

Details Pressure compensated control valves Pressure compensated control valves

1979-11-13

1982-11-30

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91451, F15B 1308

Patent

active

043611699

ABSTRACT:
A multiple section control valve bank is provided having a control valve section and an inlet section operatively connected to provide smooth proportional metering control over a wide band of operating pressures while simultaneously metering the operation of two or more fluid actuated devices from a single fluid source. This is accomplished by providing metering and logic elements in the control valve section connected to a signal chamber in the inlet section to vary the flow of fluid through the inlet section to the control section in accordance with signals from the meter and logic elements.

REFERENCES:
patent: 3592216 (1971-07-01), McMillen
patent: 3718159 (1973-02-01), Tennis
patent: 3777773 (1973-12-01), Tolbert
patent: 3815477 (1974-06-01), Ailshie et al.
patent: 3910311 (1975-10-01), Wilke
patent: 3970108 (1976-07-01), Ailshie
patent: 4037410 (1977-07-01), Jackson
patent: 4061159 (1977-12-01), Brakel

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