Pressure compensating valve

A - Human Necessities – 62 – B

Patent

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Details

A62B 9/02 (2006.01) A62B 18/10 (2006.01) F16K 7/02 (2006.01) F16K 7/18 (2006.01)

Patent

CA 2281565

This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for containing fluid, defined by a flexible barrier (2) trapped between first (3) and second (4) surfaces. A fluid inlet provides fluid to the interior of the chamber. A fluid outlet selectively allows fluid to pass out of the chamber. Movement of the first (3) and second (4) surfaces relative to each other causes change in contact between the flexible barrier and the first and second surfaces to selectively open the fluid outlet, in a first position, and occlude it between the flexible barrier and one of the surfaces, in a second position.

L'invention concerne une soupape de régulation de pression et plus particulièrement, mais non exclusivement, une soupape de régulation de pression équilibrée ou régulateur. La soupape comprend une chambre (6) permettant de contenir du fluide, définie par une barrière flexible (2) piégée entre des première (3) et seconde (4) surfaces. Une entrée de fluide amène du fluide à l'intérieur de la chambre. Une sortie de fluide permet de manière sélective l'écoulement du fluide hors de la chambre. Le déplacement des première (3) et seconde (4) surfaces l'une par rapport à l'autre provoque une modification dans le contact entre la barrière flexible et les première et seconde surfaces, de façon à ouvrir de manière sélective la sortie du fluide, dans une première position, et à l'obstruer entre la barrière flexible et l'une des surfaces, dans une seconde position.

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