Energy attenuation apparatus for a conduit conveying liquid...

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

Patent

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Details

F16L 55/04 (2006.01) F16L 55/045 (2006.01)

Patent

CA 2468985

An energy attenuation apparatus for a system conveying a liquid under pressure is provided. The apparatus includes a liquid-conveying unit (23) or the like that includes three chambers (39, 40; 58; 59; 64; 55, 66) disposed in series. At least one of the chambers (58; 55, 66) contains no tube. A first tube (61) is disposed in one of the chambers and has a first end connected to and in fluid communication with an inlet or outlet end of its chamber. A second, free end of the tube is spaced by an open gap from the outlet or inlet end of such chamber. The tube (61) has at least one aperture in the free end and/or on the peripheral surface thereof for providing fluid communication between the tube (61) and its chamber. A second tube (62) can be disposed in the remaining chamber.

L'invention concerne un appareil d'atténuation d'énergie destiné à un système assurant le transport d'un liquide sous pression. Cet appareil comprend une unité de transport de liquide (23) ou analogue comprenant trois chambres (39, 40; 58; 59; 64; 55, 66) disposées en série. L'une au moins de ces chambres (58; 55, 66) ne contient pas de tube. Un premier tube (61) est disposé dans l'une des chambres et comporte une première extrémité raccordée à une extrémité d'entrée ou de sortie de la chambre correspondante et mise en communication fluidique avec cette dernière. Une seconde extrémité libre du tube est espacée de l'extrémité de sortie ou d'entrée de cette chambre par un espace ouvert. Le tube (61) comporte au moins une ouverture au niveau de l'extrémité libre et/ou sur sa surface périphérique en vue d'une communication fluidique entre le tube (61) et la chambre correspondante. Un second tube (62) peut être disposé dans la chambre restante.

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