Valve assembly

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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F16K 31/08 (2006.01)

Patent

CA 2345977

A valve (5) comprising a valve body and, located therein, a valve member movable between a first position in which the valve is in a first operational mode and a second position in which the valve is in a second operational mode, the valve member including a rare earth magnet (1) which, when the valve member is in either one of said positions, causes the valve member to be magnetically biased against movement towards the other of said positions, the valve being provided with means for generating a magnetic field (9) sufficient to overcome the magnetic bias in the first or second position so as to cause said valve member to move to the other of said positions.

L'invention concerne une soupape (5) comprenant un corps de soupape auquel est relié un élément de soupape se déplaçant entre une première position dans laquelle la soupape se trouve dans un premier mode de fonctionnement et une seconde position dans laquelle la soupape se trouve dans un second mode de fonctionnement. L'élément de soupape comporte un aimant de terres rares (1) qui lui permet, lorsqu'il se trouve dans l'une ou l'autre position, d'être attiré magnétiquement vers la position opposée. La soupape est dotée d'un dispositif générant un champ magnétique (9) suffisant pour lui permettre de surmonter la polarisation magnétique dans la première ou la seconde position, de manière à faire déplacer ledit élément de soupape vers la position opposée.

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