Regulator

Details Regulator Regulator

1993-09-02

1995-01-17

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251112, G05D 1602

Patent

active

053818245

ABSTRACT:
A gas regulator has a pressure control diaphragm biased by a spring. The force of the spring upon the diaphragm, and thus the operating pressure for the regulator, is controlled by a linear travel bushing bearing against the spring. The bushing is preferably threaded upon a shaft, the rotation of which allows travel of the bushing. The top end of the shaft is recessed within a bore in the regulator housing to deter tampering. The shaft may be locked in position by use of a recessed setscrew, while the access bore may be provided with a cover.

REFERENCES:
patent: 2522913 (1950-09-01), Westman
patent: 2973007 (1961-02-01), Schutmaat
patent: 3474822 (1969-10-01), Kuhn et al.
patent: 3712333 (1973-01-01), Semon
patent: 4696320 (1987-09-01), Bull
patent: 4760862 (1988-08-01), Mutou et al.

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