Automatic flushing system

Details Automatic flushing system Automatic flushing system

1977-09-19

1979-01-16

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Urinals only

4304, 4305, E03D 1300

Patent

active

041341635

ABSTRACT:
An automatic flushing system for flushing a plurality of toilet bowls with water, which is provided with a solenoid-controlled valve and a detecting device. So long as the detecting appliance detects no toilet user, the solenoid-controlled valve is opened every time a predetermined time lapses, thereby to flush all the toilet bowls. If only one toilet user is detected, the solenoid-controlled valve is opened thereafter upon lapse of a reference time shorter than the predetermined time, thereby to flush the toilet bowls. If two or more toilet users are detected, the solenoid-controlled valve is opened thereafter upon lapse of a time shorter than the reference time, the time being shorter by a predetermined length for each additional toilet user detected.

REFERENCES:
patent: 2395150 (1946-02-01), Sloan et al.
patent: 2438207 (1948-03-01), Derby
patent: 2786210 (1957-03-01), Fraser
patent: 3066314 (1962-12-01), Filliung
patent: 3835478 (1974-09-01), Molus
patent: 3908204 (1975-09-01), Hopkins

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