Pulsed magnetic valve assembly

Details Pulsed magnetic valve assembly Pulsed magnetic valve assembly

1983-08-18

1985-08-13

Scott, Samuel

Valves and valve actuation

Permanent or constantly energized magnet actuator

335229, 335253, F16K 3108

Patent

active

045345392

ABSTRACT:
A magnetically operated valve having a permanent magnet with constant remanence wherein the permanent magnet is formed with an annular configuration and is located in one end of a tubular core guide member which operates to guide a movable core member forming the valve body. The permanent magnet is produced from a rare earth/cobalt alloy and secures the valve in at least one of a plurality of switched positions and a ferromagnetic circuit is formed with sheet metal sheets extending to form the outer portion of the ferromagnetic circuit with the movable core member forming the inner part thereof. The permanent magnet is inserted in cutout portions of the sheet metal sheets which form the outer part of the ferromagnetic circuit.

REFERENCES:
patent: 2435425 (1948-02-01), Cunningham
patent: 2614584 (1952-10-01), Goepfrich
patent: 2829860 (1958-04-01), Garner et al.
patent: 2867236 (1959-01-01), Klein
patent: 3022450 (1962-02-01), Chase
patent: 3082359 (1963-03-01), Mangiafico et al.
patent: 3331042 (1967-07-01), Erickson et al.
patent: 3361161 (1968-01-01), Schwartz
patent: 3379214 (1968-04-01), Weinberg
patent: 4159026 (1979-06-01), Williamson
patent: 4382578 (1983-05-01), Ruyak

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