Device for magnetically controlling a shutter member in a tubula

Details Device for magnetically controlling a shutter member in a tubula Device for magnetically controlling a shutter member in a tubula

1996-06-27

1997-10-14

Lee, Kevin

Valves and valve actuation

Permanent or constantly energized magnet actuator

F16K 3108

Patent

active

056763441

ABSTRACT:
A drive member of magnetic material is coupled to a shutter member and co-operates with a magnetic field generator connected to a control member. The magnetic field generator is mounted inside a sleeve of non-magnetic material secured to the tubular body. The sleeve extends substantially along the axis of the tubular body having one end closed and having its opposite end opening out to the outside of the tubular body. The drive member extends outside the sleeve facing the magnetic field generator.

REFERENCES:
patent: 3612363 (1971-10-01), Carter
patent: 4452423 (1984-06-01), Beblavi et al.
patent: 4948091 (1990-08-01), Satoh et al.
patent: 5039061 (1991-08-01), Heard
patent: 5069239 (1991-12-01), Bunce et al.
patent: 5129619 (1992-07-01), Castetter
patent: 5484133 (1996-01-01), Oliver

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