Hydraulic pressure control valve

Details Hydraulic pressure control valve Hydraulic pressure control valve

1974-08-02

1976-08-10

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1374546, G05D 1610

Patent

active

039735818

ABSTRACT:
A combination of a control piston and pilot spool is slidable in a through passageway between an accumulator chamber and a spring chamber separated by a valve body in the valve housing. The combination slides in response to accumulator pressure causing shifting in fluid paths between inlet and outlet ports and drain to maintain the accumulator pressure constant.

REFERENCES:
patent: 2316445 (1943-04-01), Marshall
patent: 2664908 (1954-01-01), Strnad
patent: 2737966 (1956-03-01), Lucien
patent: 2779346 (1957-01-01), Curlett
patent: 3042072 (1962-07-01), Humphrey et al.
patent: 3294104 (1966-12-01), Mercier

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