Water saver toilet

Details Water saver toilet Water saver toilet

1993-09-20

1995-02-07

Fetsuga, Robert M.

Baths, closets, sinks, and spittoons

Flush closet

Tank and bowl with plural connections, one being pneumatic

4354, 4424, E03D 310, E03D 1118

Patent

active

053865960

ABSTRACT:
A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG. 2) connected by a trapway (46), with the lower trap device being initially unobstructed. At the beginning of flushing, the initial water flow causes obstruction of the lower trap device to air flow, and a vacuum is then applied to the trapway to pull out water and debris from the toilet bowl. One toilet (FIG. 5) is of the urinal type, and includes a container (214) lying within a water tank, with the lower end (218) of the container opening to the water tank, and with the upper end (219) of the container connected by a vertical vacuum pipe (221) to the trapway.

REFERENCES:
patent: 255485 (1882-03-01), Boyle
patent: 378664 (1888-02-01), Demarest
patent: 380854 (1888-04-01), Boyle
patent: 391318 (1888-10-01), Harkins
patent: 461213 (1891-10-01), Boyle
patent: 530306 (1894-12-01), Harvey
patent: 534689 (1895-02-01), Hamilton
patent: 541274 (1895-06-01), Hamilton
patent: 558130 (1896-04-01), Wallace
patent: 4800596 (1989-01-01), Menge
patent: 5142712 (1992-09-01), Hennessy

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