Low pressure pilot valve

Details Low pressure pilot valve Low pressure pilot valve

1977-05-31

1979-01-23

Weakley, Harold W.

Valves and valve actuation

Fluid actuated or retarded

Dashpot or fluid controlled retarder or timer

251 613, 137489, 13750544, F16K 3112

Patent

active

041356977

ABSTRACT:
A pressure regulator valve including a poppet type valve carried by a plate, which in turn is biased by a diaphragm of considerable area. The diaphragm plate is adjustably spaced closely to the diaphragm chamber cover plate so that movement of the valve sufficient to enable flow, will consume much or all of the clearance, momentarily compressing the gas therein, and dampening valve operation to reduce chatter.

REFERENCES:
patent: 429591 (1890-06-01), Abbe
patent: 527902 (1894-10-01), Taafel
patent: 892788 (1908-07-01), Wilkins
patent: 1045197 (1912-11-01), Echuler
patent: 1120002 (1914-12-01), Walquist
patent: 1934982 (1933-11-01), Jones
patent: 2433414 (1947-12-01), Annin
patent: 2578005 (1951-12-01), Glasgow
patent: 2770441 (1956-11-01), Grove
patent: 2955614 (1960-10-01), Meynig
patent: 3189045 (1965-06-01), McCloud
patent: 4026513 (1977-05-01), Callenberg

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