A three-position solenoid valve

Details A three-position solenoid valve A three-position solenoid valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/06 (2006.01) B60T 15/18 (2006.01)

Patent

CA 2212321

A three-position solenoid valve that can be used as a normally open type that can prevent reduction of responsivity due to the working pressure acting on a guide cylinder. When the solenoid is demagnetized, it is made to adopt a connecting position and since the working pressure does not act on the guide cylinder that guides the sliding of the moving iron core of the solenoid in this connecting position, it is possible to prevent deformation of the guide cylinder by the working pressure, which would reduce the responsivity of the solenoid valve and reduce the longevity of the solenoid by having the working pressure acting on it for long periods. Thus, it is possible to provide a valve that is suitable for use as a normally open three-position solenoid valve.

Vanne magnétique à trois positions pouvant être utilisée comme un type normalement ouvert qui peut prévenir une réduction de sensibilité en raison de la pression de fonctionnement exercée sur un cylindre de guidage. Lorsque la vanne est démagnétisée, elle peut adopter une position de raccordement. Puisque la pression de fonctionnement n'influence pas le cylindre de guidage qui dirige le glissement du noyau de fer mobile de la vanne dans cette position de raccordement, il est possible de prévenir la déformation du cylindre de guidage par la pression de fonctionnement. Cela réduirait la sensibilité et la longévité de la vanne magnétique d'avoir la pression de fonctionnement exercée sur elle pendant de longues périodes. Ainsi, il est possible de produire une vanne qui convienne pour une utilisation comme vanne magnétique à trois positions normalement ouverte.

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