Electro-magnetic valves particularly for household appliances

Details Electro-magnetic valves particularly for household appliances Electro-magnetic valves particularly for household appliances

1982-03-04

1983-12-06

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 45, 251141, 335275, F16K 3102

Patent

active

044188862

ABSTRACT:
The electro-magnetic valve includes a hydraulic pilot control consisting of an inlet and outlet with a concentric valve seat, sealable by a flexable diaphragm. The inlet and outlet are both arranged on one side of the diaphragm and a hydraulic pressure is arranged on the other side of the diaphragm. A filling aperture from the inlet to the pressure chamber and a central pressure relief aperture from the pressure chamber to the outlet are provided, the central pressure relief aperture being connected to a bypass in the valve body. An electro-magnetic means for opening the pressure relief aperture is also included.

REFERENCES:
patent: 1706404 (1929-03-01), Jacobson et al.
patent: 2160117 (1939-05-01), Borresen
patent: 2292477 (1942-08-01), Ray
patent: 2412490 (1946-12-01), Biggle
patent: 3090592 (1963-05-01), Fleer
patent: 3654963 (1972-04-01), Ages
patent: 3765452 (1973-10-01), Charron
patent: 3934816 (1976-01-01), Terrell et al.

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