Pressure compensated flow control system

Details Pressure compensated flow control system Pressure compensated flow control system

1982-02-08

1984-07-31

Capossela, Ronald C.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

91446, 137501, 251 33, 251 63, 251 635, F16K 3112

Patent

active

044625669

ABSTRACT:
In a pressure compensated flow control system a flow control valve has a valve element which is subjected to pulsating fluid pressure by which it is maintained in a state of dither about a mean position corresponding to the selected flow rate through the valve. The valve element is spring-biased towards a closed position and is displaced against the spring bias by an amount which is a function of the rate at which fluid is applied on one side of the valve element and the rate at which the fluid is bled away via an orifice.

REFERENCES:
patent: 3596677 (1971-08-01), Clark et al.
patent: 4121610 (1978-10-01), Harms et al.

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