F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 25/00 (2006.01) F16K 17/04 (2006.01) F16K 24/04 (2006.01) H01F 27/02 (2006.01)
Patent
CA 2435348
Disclosed is a pressure relief valve for attachment to a closed vessel having an opening to vent gas and liquids from the housing should the internal housing pressure rise to unacceptable levels. The valve includes a single gasket that seals between a valve disk and a collar disposed about the opening. The gasket is fixed to the collar by a single retaining ring and effects seals with the disk in two planes, one seal is in a plane that is parallel to the plane of the opening and the second seal is in a plane that is generally normal to the plane of the opening. Moreover, the second seal remains in tact for a short time after the first seal is broken to permit the rapid separation of the valve disk from the gasket to vent gas and liquids from the housing.
L'invention concerne une soupape de décompression (10), utilisée avec un récipient clos (12) comportant un orifice (14) servant à évacuer les gaz et les liquides du logement (12) dans le cas où la pression interne du logement augmenterait jusqu'à un niveau inacceptable. Cette soupape (10) comprend un seul joint d'étanchéité (26), assurant l'étanchéité entre un disque de soupape (28) et un col (16) qui entoure l'orifice (14). Ledit joint d'étanchéité (26), fixé au col (16) au moyen d'une seule bague de retenue (42), assure l'étanchéité avec le disque (28) en deux plans, la première liaison étanche se formant dans un plan (50) parallèle au plan (21) de l'orifice (14) et la seconde liaison étanche se formant dans un plan (52) généralement perpendiculaire au plan de l'orifice (14). De plus, la seconde liaison étanche reste intacte pendant une courte durée après que la première liaison étanche a été rompue de façon à permettre la rapide séparation du disque de soupape (28) du joint d'étanchéité (26) pour évacuer les gaz et les liquides du logement (12).
Kirby Eades Gale Baker
Qualitrol Corporation
LandOfFree
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