Magnetically-controlled valve

Details Magnetically-controlled valve Magnetically-controlled valve

1994-05-17

1995-09-19

Nilson, Robert G.

Fluid handling

Systems

Sequentially progressive opening or closing of plural valves

251 65, 251340, F16K 3108

Patent

active

054508770

ABSTRACT:
The valve includes a tubular body made of a non-magnetic material, a seat carried by the tubular body, a closure member disposed inside the tubular body and facing the seat, the closure member including a valve member connected to a drive ring made of a magnetic material extending substantially coaxially with the tubular body and facing a magnetic field generator disposed outside the tubular body and associated with a control member.

REFERENCES:
patent: 1342641 (1920-06-01), Moreton
patent: 2405127 (1946-08-01), Beach
patent: 2688340 (1954-09-01), Stehlin
patent: 3669315 (1972-06-01), Kuckens
patent: 4672203 (1987-09-01), Holkeboer
patent: 4940207 (1990-10-01), Katsuyama
patent: 5069239 (1991-12-01), Bunce

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