Check valve floor drain

Details Check valve floor drain Check valve floor drain

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 15/14 (2006.01) E03C 1/28 (2006.01) F16K 15/08 (2006.01)

Patent

CA 2450304

A method and apparatus (100) for admitting liquid from a draining surface (10) into a drain conduit (110) and for preventing discharge of waste gas from the drain conduit (110) into the atmosphere in response to a higher pressure in the drain conduit (110) than at the draining surface (10).

L'invention concerne un procédé et un appareil (100) d'admission du liquide d'une surface d'écoulement (10) dans un conduit d'évacuation (110) qui permet également de prévenir la décharge de gaz résiduaire du conduit d'évacuation (110) dans l'atmosphère lorsque la pression est plus élevée dans le conduit d'évacuation (110) que dans la surface d'écoulement (10).

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