Valve assembly

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

Patent

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Details

F16K 15/14 (2006.01) A61M 39/26 (2006.01) F16K 17/02 (2006.01) F16K 17/04 (2006.01) F16K 17/16 (2006.01) A61J 15/00 (2006.01) A61M 5/14 (2006.01) A61M 39/24 (2006.01)

Patent

CA 2219499

A valve assembly (12) includes a liquid inlet (16), a liquid outlet (18) and a resilient valve member membrane (20) disposed therebetween, separating the inlet (16) and the outlet (18), having one or more holes (22). When there is no pressure difference across the membrane (20), the walls of the one or more holes (22) are collapsed and no liquid can pass therethrough, and when the pressure difference across the membrane (20) exceeds a certain threshold level, stretching of the membrane (20) causes opening of the one or more holes (22) to allow liquid to pass from the inlet (16) to the outlet (18).

L'invention a pour objet un ensemble soupape pour le transfert de liquides, composé d'une entrée du liquide, d'une sortie et d'un élément soupape situé entre l'entrée et la sortie. L'élément soupape comprend une membrane élastique qui sépare l'entrée et la sortie et qui contient un ou plusieurs trous. Lorsqu'il n'y a aucune différence de pression entre les deux côtés de la membrane, les parois sur lesquelles se trouve(nt) le(s) trous(s) sont affaissées et aucun liquide ne peut passer à travers; lorsque la pression entre les deux côtés de la membrane dépasse un certain niveau seuil, la membrane est tendue, ce qui provoque l'ouverture du (des) trou(s) par lequel (lesquels) le liquide passe d'un côté à l'autre de la membrane.

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