F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/30 (2006.01) G05D 7/01 (2006.01)
Patent
CA 2323485
A fluid valve for controlling flow of a fluid from an upstream region to a downstream region includes a housing having a fluid exit, a fluid entry member having a sidewall, and a shut-off member associated with the housing. The sidewall and the fluid entry member is formed with at least one regulating aperture for receiving fluid from the upstream region and a second aperture for receiving fluid from the upstream region. The fluid entry member is movably disposed within the housing such that the at least one regulating aperture has an effective area exposed to the upstream region that decreases as a pressure differential between the upstream region and the downstream region increases. The shut-off member is associated with the housing and the fluid entry member such that fluid flow through the second aperture is prevented when the difference in fluid pressure between the upstream region and the downstream region exceeds a desired value.
La présente invention concerne une soupape permettant de réguler l'écoulement d'un fluide d'une zone amont vers une zone aval. Cette soupape comporte un logement présentant une sortie de fluide, un organe d'admission de fluide comportant une paroi latérale, et un obturateur associé au logement. La paroi latérale et l'organe d'admission de fluide comporte par nature au moins un orifice de régulation destiné à recevoir le fluide d'une zone amont, et un second orifice destiné à recevoir le fluide de la zone amont. L'organe d'admission de fluide est monté mobile à l'intérieur du carter de façon que l'orifice de régulation considéré comporte une surface efficace exposée à la zone amont qui aille en décroissant au fur et à mesure de l'augmentation du différentiel de pression entre la zone amont et la zone aval. L'obturateur est associé au logement et à l'organe d'admission de fluide de façon à interdire l'écoulement du fluide dès que le différentiel de pression de fluide entre la région amont et la région aval passe au-dessus d'une valeur attendue.
Flow Design Inc.
Kirby Eades Gale Baker
LandOfFree
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