Magnetically-operated valve

Details Magnetically-operated valve Magnetically-operated valve

1980-08-18

1982-11-23

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

With second diverse control

137429, 137443, 141198, 141DIG1, 222 67, 251 65, F16K 2118, F16K 3300

Patent

active

043600387

ABSTRACT:
A magnetically-operated valve has a body provided with a passageway therethrough. A piston is mounted on the body for sliding movement toward and away from a valve seat. The piston has a magnetic pole at one end. A magnet is mounted on the body for movement between a first position, at which the piston will be held in a flow-permitting position, and a second position, at which the piston will sealingly engage the seat to terminate such flow. An override mechanism may be operated to displace the piston against the repulsive forces between like poles.

REFERENCES:
patent: 932153 (1909-08-01), Martin
patent: 1390446 (1921-09-01), Jerdone, Jr.
patent: 2609669 (1952-09-01), Eddy
patent: 3202174 (1965-08-01), Rudelick
patent: 3233625 (1966-02-01), Pase
patent: 3741239 (1973-06-01), Riddiford
patent: 3822933 (1974-07-01), Johnson

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