Pressure reducer

Details Pressure reducer Pressure reducer

1988-02-01

1988-09-06

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

G05D 1600

Patent

active

047685484

ABSTRACT:
The invention is directed to a pressure reducer wherein the outlet pressure thereof is regulated by means of a comparison of the desired value with the actual value such that the adjusting range is expanded. This expansion of the adjusting range is obtained in that the adjustment of the biasing force of the membrane effects a corresponding adaptation of the desired value applied to a control unit via a position-value transmitter.

REFERENCES:
patent: 3464438 (1969-09-01), Maurer
patent: 3482588 (1969-12-01), Kreuter
patent: 3586027 (1971-06-01), Fitzgerald
patent: 3811465 (1974-05-01), Abbey
patent: 4061155 (1977-12-01), Sopba
patent: 4596264 (1986-06-01), Gladstone

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