Variable force solenoid valve

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

Patent

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Details

F16K 31/06 (2006.01) F16K 27/00 (2006.01) G05D 16/20 (2006.01)

Patent

CA 2140838

A combined bearing/diaphragm seal for use in a solenoid valve assembly or the like is disclosed which provides a flexible fluid seal between the solenoid sub-assembly and the valve sub-assembly. The solenoid and valve sub-assemblies communicate mechanically via a portion of a solenoid armature which translates through the combined bearing/diaphragm seal and controls elements of the valve sub-assembly for regulating outlet fluid pressure. The bearing portion of the combined bearing/diaphragm seal comprises a flat spring-plate that is adapted to resiliently deflect in response to movement of the solenoid armature. The diaphragm portion of the combined bearing/diaphragm seal is an elastomeric seal material applied to at least one side of the spring plate.

La présente invention porte sur un joint d'étanchéité à appui/membrane combinés utilisé dans un électrorobinet ou autre composant semblable; le joint d'étanchéité souple est placé entre le sous-ensemble du solénoïde et le sous-ensemble du robinet. Les sous-ensembles de solénoïde et de robinet communiquent mécaniquement au moyen d'une partie d'un induit de solénoïde qui se déplace à travers le joint d'étanchéité à appui/membrane combinés et qui commande les éléments du sous-ensemble du robinet pour régulariser la pression de sortie du liquide. La partie appui du joint d'étanchéité à appui/membrane combinés comprend une plaque élastique plate conçue pour fléchir en réaction au mouvement de l'induit du solénoïde. La partie membrane du joint d'étanchéité à appui/membrane combinés est constituée d'un matériau d'étanchéité élastomérique appliqué sur au moins un côté de la plaque élastique.

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