Valve assembly

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

Patent

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Details

F16K 31/44 (2006.01) F04B 49/22 (2006.01) F16K 3/10 (2006.01) F16K 11/074 (2006.01) F16K 11/085 (2006.01)

Patent

CA 2232482

Multi-port valve assemblies with, typically, two-piece housings are disclosed. Particularly useful in connection with swimming pools and associated water pumps, the assemblies avoid reliance on an elongated handle to effect rotation of the internal structure of the valve. Instead, the assemblies utilize a knob--which users need not lift--coupled to a post in which an elongated slot is formed. Doing so avoids breakage problems associated with use of elongated handles while reducing wear of internal seals. Each valve assembly additionally may include a cam having non-semicircular, asymmetrically-shaped recesses into which followers attached to a shaft passing through the elongated slot are received.

Présentation d'ensembles de robinet multivoies équipés, habituellement, de logements en deux pièces. Utilisés particulièrement dans les piscines et les pompes à eau de ces dernières, les ensembles de robinet permettent d'éviter l'emploi d'une longue poignée pour provoquer la rotation de la structure interne du robinet. Les ensembles de robinet font plutôt appel à un bouton - que les utilisateurs n'ont pas besoin de lever - relié à une tige de manoeuvre percée d'une fente allongée. Cela permet d'éviter les problèmes de bris liés à l'utilisation des poignées allongées et de réduire en même temps l'usure des dispositifs d'étanchéité internes. Chaque ensemble de robinet peut, en outre, comprendre une came possédant des évidements de forme asymétrique non semi-circulaires dans lequels sont reçus des fouloirs fixés à un axe passant dans la fente allongée.

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