F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/29
F16K 31/24 (2006.01)
Patent
CA 1076919
ABSTRACT OF THE DISCLOSURE Most valve assemblies used in water closet tanks are relatively bulky and often interfere with the operative action of the tank. Furthermore, such valve assemblies are noisy in operation and "wire drawing" effects cause consider- able wear of the valve seat and/or valve. This device in- cludes a flexible diaphragm engageable with an annular valve seat and acting as a valve between the water intake and the interior of the tank. A spherical segment cam is mounted in the assembly operatively connected to a float and connecting rod moving reciprocally. The cam operates a plug sliding reciprocally in the body of the valve assembly, said plug en- gaging the diaphragm and controlling the opening and closing of the diaphragm with the valve seat. The mechanical advan- tage of the spherical segment cam gives a positive closing action plug minimizing the "wire drawing" effect and the construction of the diaphragm and associated parts eliminates thumping and hissing during the closing action. An adjust- able volume water trap feed is incorporated in the valve assembly so that the amount of water passing through to the water trap is adjustable within limits.
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