Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1989-03-02
1991-02-05
Cusick, Ernest G.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4406, 4415, 4DIG3, 25112906, E03D 510, E03D 136
Patent
active
049892770
ABSTRACT:
A toilet bowl flushing device washes out a toilet bowl while controlling the flow rate of flushing water supplied to the toilet bowl for a maximum flushing effect. The toilet bowl flushing device includes water supply apparatus for supplying flushing water to the toilet bowl, the water supply apparatus including a flow rate control valve for controlling a rate of flow of flushing water to be supplied to the toilet bowl, an actuator for actuating the flow rate control valve, and a control subsystem operable according to a predetermined flow rate pattern program for controlling operation of the actuator to vary the rate of flow of flushing water in one flushing cycle with respect to time from a time to start flushing the toilet bowl to a time to finish flushing the toilet bowl.
REFERENCES:
patent: 3008682 (1961-11-01), Filliung et al.
patent: 3989066 (1976-11-01), Sturman et al.
patent: 4224703 (1980-09-01), Makhobey
patent: 4494727 (1985-01-01), Babitzka et al.
patent: 4570272 (1986-02-01), Kawaguchi et al.
patent: 4695034 (1987-09-01), Shimizu et al.
patent: 4720077 (1988-01-01), Minoura et al.
patent: 4722360 (1988-02-01), Odajima et al.
Haraga Hisato
Makita Atsuo
Takeuchi Hirofumi
Tsutsui Osamu
Cusick Ernest G.
Fetsuga Robert M.
Toto Ltd.
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