Valves

Details Valves Valves

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 15/04 (2006.01)

Patent

CA 2688086

A double check valve (10) with two separate elements (20, 25) individually movable to close the valve and collectively movable to open the valve. The separate elements are independently closing the valve, and collectively controllable to open the valve, to allow pressure release or to allow injection of fluid (e.g. lubricant). In an example, the double check valve includes two separate check valves with a stinger element (30) between them which is operable to internally sting the one check valve when (e.g. by action of) the other check valve is stung by a user (e.g. using a stinger means) thereby to open both check valves individually and the double check valve as a whole.

L'invention concerne une double soupape anti-retour (10) avec deux éléments séparés (20, 25) individuellement mobiles pour fermer la soupape et collectivement mobiles pour ouvrir la soupape. Les éléments séparés ferment indépendamment la soupape, et peuvent être collectivement commandés pour ouvrir la soupape, pour permettre un relâchement de pression ou pour permettre une injection de fluide (par exemple, un lubrifiant). Dans un exemple, la double soupape anti-retour comprend 2 soupapes anti-retour séparées avec un élément de piqûre (30) entre eux, lequel est actionnable pour piquer intérieurement la soupape anti-retour lorsque (par exemple, par l'action de) l'autre soupape anti-retour est piquée par un utilisateur (par exemple, à l'aide d'un moyen de piqûre) pour ouvrir de cette façon les deux soupapes anti-retour individuellement et la double soupape anti-retour dans son ensemble.

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