F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 15/02 (2006.01)
Patent
CA 2755422
The present invention provides apparatus featuring a check valve featuring a duckbill valve configured to provide fluid and particulate; and an insert having a base portion configured to seat the insert inside the duckbill valve, and a W-shaped portion configured with an opening to pass the fluid and particulate through the duckbill valve and also configured to provide support for walls of the duckbill valve in response to back pressure caused by the fluid and particulate.
La présente invention concerne un appareil comportant un appareil comprenant un clapet antiretour constituant un clapet bec-de-canard configuré pour le débit de fluide et de particules. Ce clapet comporte, d'une part un élément de base dont la configuration est prévue pour accueillir la garniture rapportée à l'intérieur du clapet bec-de-canard, et d'autre part une partie en W pourvue d'une ouverture permettant de laisser passer le fluide et les particules au travers du clapet bec-de-canard et configurée pour assurer le maintien de parois du clapet bec-de-canard en réaction à la pression de reflux provoquée par le fluide et les particules.
Phillips David L.
Romero Robert J.
Wright Peter
Gowling Lafleur Henderson Llp
Itt Manufacturing Enterprises Inc.
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