Elastomeric element valve

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

Patent

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Details

F16K 17/04 (2006.01) G05D 16/02 (2006.01) G05D 16/06 (2006.01)

Patent

CA 2263687

A fluid control valve having a valve body (12, 116), a cage (20, 84, 124), and a flexible elastomeric diaphragm (38, 88, 144) with a formed convolution to fully open the cage opening. An elastomeric diaphragm regulator with a flow diverter in the fluid flow path to reduce fluid flow separation and thereby reduce the required flow recovery area before pressure throttling. A raised knife edge seat (134) located on the cage top (130) in a position of stagnant fluid flow to reduce the build- up of contaminants on the seat. An elastomeric diaphragm regulator with a valve actuator coupled to a guided valve stem (188, 198) attached to the regulator diaphragm.

L'invention concerne une soupape de régulation de fluide comprenant: un corps (12, 116) de soupape, une cage (20, 84, 124), et un diaphragme (38, 88, 144) présentant une circonvolution déterminée afin d'ouvrir complètement l'ouverture de la cage; un organe de diaphragme élastomérique doté d'un organe de dérivation de flux situé dans le circuit d'écoulement du fluide et destiné à réduire l'écoulement décollé du fluide et donc la zone de récupération e fluid nécessaire avant l'étranglement de la pression; une embase (134) couteau dressée, située sur la partie supérieure de la cage (130) dans la position d'un écoulement de fluide stagnant afin de réduire la formation de contaminants sur l'embase; un organe régulateur de diaphragme élatomérique doté d'un organe d'actionnement de soupape couplé à une tige (188, 198) orientée, fixée au diaphragme régulateur.

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