Method for automatically circulating, and then halting,...

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

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F16K 17/32 (2006.01) C02F 1/00 (2006.01) E03F 5/22 (2006.01)

Patent

CA 2122087

A valve housing has a chamber formed therewithin, and an inlet and an outlet for accommodating fluid flow through the chamber along a given flow path. The housing further confines a free ball therein, and hydraulic-fluid filed compartments with flexible walls. Intermediate the inlet and outlet, the housing has a valve seat formed. Fluid pressure in the chamber causes one compartment to collapse and the flexible wall of the other to expand. The expanding wall, and capturing fluid flow, moves the ball to the seat to halt flow through the chamber, after an initial period of free flow. The method comprises providing the chambered housing, disposing the ball in the chamber, communicating the inlet with a pump outlet, and confining the flexible-walled compartments in the chamber.

Dans un logement de valve, se trouve une chambre, une entrée et une sortie servant au liquide qui passe sur une voie d'acheminement donnée de la chambre. En outre, le logement confine une balle mobile et des compartiments aux parois souples, remplis de liquides hydrauliques. Entre l'entrée et la sortie, se trouve dans le logement un siège de valve. La pression du liquide de la chambre provoque l'effondrement d'un compartiment tandis que la paroi souple de l'autre s'étire. La paroi s'étirant, ainsi que la capture du liquide qui s'écoule, déplacent la balle vers le siège afin d'arrêter le débit dans la chambre, et ce, après une période de libre circulation. La méthode comprend le logement compartimenté, l'insertion de la balle dans la chambre, la connexion de l'entrée à la sortie de la pompe et le confinement des compartiments à parois souples dans la chambre.

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