Check valve

Details Check valve Check valve

F - Mech Eng,Light,Heat,Weapons

16

K

236/14, 137/60,

F16K 31/64 (2006.01) F24D 19/10 (2006.01) F24H 9/12 (2006.01) G05D 23/08 (2006.01)

Patent

CA 1217693

A B S T R A C T A valve including a valve body having an end wall, a side wall and a retaining ring that together define a valve chamber. The end wall defines a valve inlet opening communicating with the chamber and an annular valve seat within the chamber encircles the valve inlet opening. Defined in the side wall are a plurality of valve outlet openings communicating with the chamber; a resilient, annular seal is disposed within the valve chamber and encircles the valve inlet opening. Retained within the valve chamber by the valve body is a bi- metalic disc substantially parallel to the valve seat and normally spaced therefrom by a distance greater than the thickness of the annular seal. The disc responds to a predetermined ambient temperature by deflecting concavely into the valve chamber and into fluid sealing engagement with one end of the annular seal, an opposite end thereof being in fluid sealing engagement the said valve seat.

457490

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