Check valve

Details Check valve Check valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/56

F16K 15/00 (2006.01)

Patent

CA 1200464

ABSTRACT OF THE DISCLOSURE A check valve is disclosed having a housing with first and second sides, the first side having an opening and the second side having an inner portion and an outer portion with openings within the inner portion, and a thin membrane within the housing and having an inner portion and an outer portion with holes within the outer portion such that, for air flows from the first side of the housing to the second side, the inner portion of the membrane will be pushed up against the inner portion of the second side of the housing to seal the openings in the inner portion of the second side and, for air flows from the second side of the housing to the first side, the membrane is pushed away from the inner portion of the second side for allowing air flow through the openings of the inner portion of the second side, through the holes in the membrane and then through the opening of the first side of the housing.

421333

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