Servo pressure regulator for a gas valve

Details Servo pressure regulator for a gas valve Servo pressure regulator for a gas valve

1996-10-25

1998-04-07

Ferensic, Denise L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

137 65, 13762565, 13762527, F16K 3112

Patent

active

057355037

ABSTRACT:
An electromechanical actuator-operated pressure regulator for supplying control pressure for a diaphragm-operated gas control valve, the actuator also operating an on-off control valve for the gas valve. A passageway including a pressure adjusting device for supplying a minimum gas valve output pressure extends from the downstream side of the on-off valve to the gas valve outlet.

REFERENCES:
patent: 1309203 (1919-07-01), Hopkins
patent: 1540017 (1925-06-01), Kandall
patent: 1798973 (1931-03-01), Cordier
patent: 2155170 (1939-04-01), Odend'hal
patent: 2277162 (1942-03-01), Soderberg
patent: 2473038 (1949-06-01), Rockwell
patent: 3090592 (1963-05-01), Fleer
patent: 3975135 (1976-08-01), Kinsella
patent: 4250922 (1981-02-01), Will
patent: 4406400 (1983-09-01), Berkhof
patent: 4785846 (1988-11-01), Kragten
patent: 5345963 (1994-09-01), Dietiker
patent: 5348036 (1994-09-01), Oksanen
patent: 5497806 (1996-03-01), Swank

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