Combined pressure regulator and relief valve having a single bia

Details Combined pressure regulator and relief valve having a single bia Combined pressure regulator and relief valve having a single bia

1989-07-27

1990-09-04

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137116, 137569, 137881, 137885, G05D 1600

Patent

active

049535820

ABSTRACT:
A pressure regulator and relief valve including a valve body, a first regulating valve moveable between first and second positions in response to a predetermined gallery pressure for regulating the pressure of a fluid, a second relief valve moveable between first and second positions in response to a predetermined relief pressure of a fluid and a single spring disposed within the valve body for biasing both the first regulating valve and the second relief valve to their respective first positions within the valve body.

REFERENCES:
patent: 3375844 (1968-04-01), Mercier
patent: 4302937 (1981-12-01), Aubert

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