Magnetically actuated stopper valve

Details Magnetically actuated stopper valve Magnetically actuated stopper valve

1979-05-17

1981-08-18

Schwadron, Martin P.

Valves and valve actuation

Permanent or constantly energized magnet actuator

251174, 251130, 308139, F16K 3108

Patent

active

042842620

ABSTRACT:
A packless magnetically actuated stopper valve. A driven magnet assembly is rotatably mounted inside a nonmagnetic bonnet. A drive magnetic holder surrounds the bonnet and rotates thereon. The driven magnet assembly turns a stopper positioned in the main valve body between inlet and outlet passages. Floating valve seats associated with each passage sealably engage the stopper.

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patent: 3347262 (1967-10-01), Gibson
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patent: 3472270 (1969-10-01), Masheder
patent: 3680831 (1972-08-01), Fujiwara
patent: 3731904 (1973-05-01), Valince
patent: 3747892 (1973-07-01), Gigantino et al.
patent: 3774878 (1973-11-01), Martinez
patent: 3908959 (1975-09-01), Fichtner
patent: 4106825 (1979-08-01), Ruyak

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