Solenoid-controlled diaphragm valves

Details Solenoid-controlled diaphragm valves Solenoid-controlled diaphragm valves

1976-03-12

1978-07-11

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 45, F16K 3140, F16K 31385

Patent

active

040997014

ABSTRACT:
A diaphragm controlled solenoid valve is disclosed having a small pressure inlet orifice in the diaphragm and is characterized by an internal groove provided in the bonnet with at least a portion of the groove being in the same vertical plane as the orifice. The groove is at least as wide and preferably is of greater width than the diameter of the orifice. A manually operable cam is provided for lifting the actuator of the solenoid in case of its malfunction. The spring which normally actuates the diaphragm is eliminated.

REFERENCES:
patent: 2738157 (1956-03-01), Vargo
patent: 2882929 (1959-04-01), Churchill et al.
patent: 3306570 (1967-02-01), Cooksley
patent: 3368582 (1968-02-01), Kozel et al.
patent: 3768771 (1973-10-01), Dicken, Jr.

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