Valves and valve actuation – Permanent or constantly energized magnet actuator
Patent
1992-12-15
1994-10-04
Schwadron, Martin P.
Valves and valve actuation
Permanent or constantly energized magnet actuator
2511291, 25112921, 335229, F16K 3108
Patent
active
053519345
ABSTRACT:
A permanent magnet, proportional solenoid valve having a suspended armature which is separated from two opposing pole pieces by two normally unequal gaps having a collectively constant dimension. The magnetic field originating from the magnet extends through the gaps and is used to bias the armature to a position at which the valve is normally closed.
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Guyuax James R.
Jensen Ron B.
Allied-Signal Inc.
Black Joseph R.
Lee Kevin L.
Schwadron Martin P.
Walsh Robert A.
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