Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1997-12-08
1999-07-20
Fetsuga, Robert M.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4393, 4325, E03D 134
Patent
active
059241438
ABSTRACT:
The refill device is used with water-saving flush valves which retrofit into existing toilet tanks. These valves normally do not allow enough time to refill the bowl to its proper level. This diminishes their effectiveness and efficiency. The refill device is depicted here on a two-level valve of the inventor's previous patent. It comprises a chamber (40) between a valve (20) and a plate (34) which rotate up off of an outlet (22). As the valve is lifted the chamber contracts. After upper float (28) or lower floats (66) allow the valve to drop, water pulling down on the valve draws water into the chamber. The water pulls a flap (54) shut over a hole (56) in the plate. The plate then supports the chamber which holds the valve slightly open, permitting a predetermined amount of water to flow under it to refill the toilet bowl. Water seeps under the flap at a controlled rate allowing the valve to completely close.
REFERENCES:
patent: 419566 (1890-01-01), Scott
patent: 431387 (1890-07-01), McHugh
patent: 2879521 (1959-03-01), Brasher
patent: 5157796 (1992-10-01), Boyer et al.
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