Flush valve refill ring

Details Flush valve refill ring Flush valve refill ring

1997-10-14

1999-02-02

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

138 40, 251120, F16K 31385, F16K 31145

Patent

active

058654208

ABSTRACT:
A flush valve has a body with an inlet and an outlet and a passage connected therebetween. There is a valve seat at one end of the passage and a valve assembly is positioned to close upon the valve seat. The valve assembly includes a diaphragm positioned to control the flow of water through the passage, a guide member attached to the underside of the diaphragm and positioned within the passage, and a refill ring attached to the exterior of the guide member. The refill ring has a discontinuous outer wall which includes a plurality of spaced wall segments extending toward the flush valve passage and providing yielding frictional resistance to movement of the valve assembly relative to the passage to thereby dampen vibrations of the valve assembly during closing portions of the flush valve operating cycle.

REFERENCES:
patent: 5150877 (1992-09-01), Whiteside et al.
patent: 5332192 (1994-07-01), Whiteside
patent: 5335694 (1994-08-01), Whiteside

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