Automatic pressure regulator

Details Automatic pressure regulator Automatic pressure regulator

1977-07-12

1978-06-06

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Pop valves

137501, 137508, 251DIG2, G05D 1606

Patent

active

040929981

ABSTRACT:
An automatic pressure regulator of the rolling diaphragm type requiring but one single rolling diaphragm. The diaphragm is of the deep convolution type. The rolling wall of the diaphragm controls the effective cross-sectional area of an orifice means which, in turn, effects the regulation of pressure. The force created by the high pressure acts against a spring tending to move the rolling wall of the rolling diaphragm to the orifice closing position thereof. The effective area of the rolling wall of the rolling diaphragm is variable to compensate for variations of the force of the spring resulting from changes of its length.

REFERENCES:
patent: 2720378 (1955-10-01), Otto
patent: 3070108 (1962-12-01), Fischer
patent: 3766933 (1973-10-01), Nicholson
patent: 3948285 (1976-04-01), Flynn

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