Fluid control valve for pressure vessel

Details Fluid control valve for pressure vessel Fluid control valve for pressure vessel

A - Human Necessities

61

M

A61M 16/00 (2006.01) A61G 10/00 (2006.01) A61M 16/20 (2006.01) A62B 7/00 (2006.01) A62B 7/02 (2006.01) F16K 17/14 (2006.01) F16L 33/00 (2006.01) F16L 55/02 (2006.01)

Patent

CA 2410740

A fluid transfer control valve (76) is connected to a pressure vessel formed from a plurality of hollow, polymeric chambers (50) interconnected by polymeric conduit sections (44) disposed between adjacent ones of the chambers. The valve includes a valve body and a pressure relief mechanism (295) attached to the body. The pressure relief mechanism (295) is operative to release pressure from the pressure vessel when the pressure within the vessel exceeds a predetermined maximum pressure. In a preferred embodiment, the relief mechanism comprises a rupture disk (321). The pressure relief valve may also include a filter element disposed along a fluid flow path defined within the valve body and/or a restrictive flow path for reducing the pressure of fluid flowing through the valve body.

L'invention concerne une soupape de régulation du transfert de fluide (76) connectée à une enceinte sous pression formée à partir de plusieurs chambres polymères (50) creuses interconnectées par des sections de conduites polymères (44) disposées entre des chambres adjacentes. La soupape comprend un corps de soupape et un mécanisme de décompression (295) relié au corps. Ce mécanisme (295) sert à libérer la pression de l'enceinte sous pression lorsque la pression dans l'enceinte excède une pression maximale prédéterminée. Dans un mode de réalisation préféré, le mécanisme de décompression comprend un disque de rupture (321). La soupape de décompression peut également comporter un filtre disposé le long d'une voie d'écoulement du fluide définie à l'intérieur du corps de soupape et/ou une voie d'écoulement restrictive destinée à réduire la pression du fluide s'écoulant à travers le corps de soupape.

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