Dual flush system for controlling flush water in water closet

Details Dual flush system for controlling flush water in water closet Dual flush system for controlling flush water in water closet

1983-02-24

1985-02-05

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4395, 4393, E03D 134

Patent

active

044970765

ABSTRACT:
The invention is an improved, adjustable ball valve closure for use in a dual flush water closet which allows the choice of a regular flush or a water saving flush. The adjustable closure is the type having a buoyancy chamber with a relatively lower drain hole and a relatively higher air bleeder port. It is improved by providing a water inlet port in a position which is above the drain hole when the valve closure is closed and is lower than the air bleeder port when the valve closure is open. The improvement allows a finer, more accurate adjustment of the amount of water discharged for a limited flush.

REFERENCES:
patent: 2598967 (1952-06-01), Bennett
patent: 2741775 (1956-04-01), Schmidt
patent: 3733618 (1973-05-01), Wiagand
patent: 3935598 (1976-02-01), Schmidt
patent: 3955218 (1976-05-01), Ramsey
patent: 3969775 (1976-07-01), Hazelton
patent: 4000526 (1977-01-01), Biela et al.
patent: 4028748 (1977-06-01), Schoepe et al.
patent: 4189795 (1980-02-01), Conti et al.

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