Solenoid operated valve

Details Solenoid operated valve Solenoid operated valve

1980-03-21

1981-10-20

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

92102, 92103F, 251 45, F16K 3102

Patent

active

042956315

ABSTRACT:
A solenoid operated valve with a primary diaphragm type valve member controlled in accordance with the fluid pressure on opposite sides thereof and a solenoid operated pilot valve having a fixed axially extending pilot valve outlet tube extending through a central opening in the diaphragm valve member and operable for selectively referencing the fluid pressure on one side of the diaphragm with the valve outlet pressure.

REFERENCES:
patent: 882944 (1908-03-01), Haas
patent: 1614468 (1927-01-01), Haas
patent: 2776812 (1957-01-01), Colendar
patent: 2940722 (1960-06-01), Vargo
patent: 3079952 (1963-03-01), Miller
patent: 3282171 (1966-11-01), Tuckmantel
patent: 3362679 (1968-01-01), Le Wan
patent: 3493008 (1970-02-01), Scaglione
patent: 3895645 (1975-07-01), Johnson
patent: 3943975 (1976-03-01), Schnittker
patent: 4179096 (1979-12-01), Fromfield
patent: 4192345 (1980-03-01), Fujii et al.
patent: 4206901 (1980-06-01), Williams

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