Impulse actuated valve

Details Impulse actuated valve Impulse actuated valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/14 (2006.01) F16K 17/16 (2006.01) F16K 17/40 (2006.01) F16K 31/44 (2006.01)

Patent

CA 2742618

A valve for controlling flow of pressurized fluid from a confined area that is operable to relieve an overpressure condition as well as to allow flow of fluid in response to a pressure relief command. The valve including a valve body with a fluid passage therethrough, a reverse buckling rupture disc in the valve body in normally blocking relationship to the flow of fluid through the passage, and a selectively actuatable device carried by the valve body adjacent the convex surface. The actuatable device is operable to disrupt, without puncturing, the disc so as to initiate reversal and rupture of the disc and to permit flow of the pressurized fluid through the passage.

L'invention concerne une vanne de régulation de l'écoulement d'un fluide sous pression provenant d'une zone confinée qui est utilisée pour libérer la surpression ainsi que pour permettre au fluide de circuler en réponse à une commande de libération de pression. La vanne comporte un corps de vanne traversé d'un passage de fluide, un disque de rupture à flambage inverse dans le corps de vanne normalement en position de blocage de l'écoulement de fluide dans le passage, et un dispositif actionnable sélectivement supporté par le corps de vanne à côté de la surface convexe. Le dispositif actionnable peut être utilisé pour déformer, sans percer, le disque de façon à amorcer l'inversion et la rupture du disque et permettre l'écoulement du fluide sous pression dans le passage.

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