Water closet flush valve

Details Water closet flush valve Water closet flush valve

1977-06-01

1978-09-19

Levy, Stuart S.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4370, 4374, 137410, E03D 136, E03D 106

Patent

active

041142080

ABSTRACT:
Disclosed herein is a ballcock type flush valve that has all moving parts above the water line of the tank, thereby eliminating corrosion. The valve configuration is such that it is designed to shut-off the flow of water, thereby providing a positive shut-off, and further it is unique in that it has no seat or seal to leak that is below the water line. Fail safe features include a flush mechanism that will remain inoperative until the tank has regenerated its water supply, thereby providing a full flush. Anti-syphon means are included in addition to prevent back flow of bowl water into the water system. The ballcock flush valve combination is so constructed that ingress of additional water due to a faulty seal is impossible thereby conserving water.

REFERENCES:
patent: 1081110 (1913-12-01), Gondolf
patent: 1733633 (1929-10-01), Sterbenz et al.
patent: 2068252 (1937-01-01), Weber
patent: 2093584 (1937-09-01), Walker
patent: 2177121 (1939-10-01), Scott
patent: 2700163 (1955-01-01), Sturman
patent: 2837111 (1958-06-01), Mueller
patent: 3424187 (1969-01-01), Brennan et al.

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