Pressure regulator valve

Details Pressure regulator valve Pressure regulator valve

1989-05-11

1990-04-17

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

251117, G05D 1610

Patent

active

049171402

ABSTRACT:
A pressure regulator valve has a valve spool slidably disposed in a valve bore to control the pressure in a hydraulic passage by exhausting excess fluid delivered to the passage. The valve also has a restricted passage which supplies fluid from a main inlet passage to the controlled fluid passage continuously. The restricted passage reduces the amount of valve spool movement required during normal pressure regulation.

REFERENCES:
patent: 2016234 (1935-10-01), Hughes
patent: 2965120 (1960-12-01), Snyder
patent: 3171433 (1965-03-01), Borman
patent: 4071042 (1978-01-01), Lombard

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