Temperature-compensated pressure regulator

Details Temperature-compensated pressure regulator Temperature-compensated pressure regulator

1992-02-06

1992-12-29

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Thermal responsive

13750514, G05D 1602

Patent

active

051743264

ABSTRACT:
A pressure regulator or pressure element with a valve, whose valve closing body 10 separates an admission pressure chamber 2 from a back pressure chamber 3, has a diaphragm 12 that is under spring pressure in the opening direction of the valve closing body 10. The diaphragm 12 separates the back pressure chamber from a reference pressure chamber 4 which is filled with a gas that is under such pressure that its ability to expand compensates the temperature dependence of the compressive force of the spring in order to compensate the pressing force of the compression spring 13, which changes with changing temperature.

REFERENCES:
patent: 767200 (1904-08-01), Barnes
patent: 2141715 (1938-12-01), Hilger
patent: 2163597 (1939-06-01), Grove
patent: 2261364 (1941-11-01), Grove
patent: 2884946 (1959-05-01), Anderson
patent: 3602428 (1971-08-01), Lochner

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