Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1997-04-22
1999-07-13
Walczak, David J.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4359, E03D 106
Patent
active
059209194
ABSTRACT:
A toilet system which minimizes water usage, provides improved flushing,includes a water volume control device and provides flushing when the supply water pressure is below desired levels. The toilet system includes a source of water, a feed valve which is opened by an flush activation device and closes when the water supply flow rate falls below a predetermined flow rate. The toilet system also includes a sealed flush tank with a water volume control for pre-setting the desired water volume, and a flush valve which is activated when the flow rate of supply water falls below a pre-determined minimum level.
REFERENCES:
patent: 880594 (1908-03-01), Stickdorn
patent: 918216 (1909-04-01), Stickdorn
patent: 957028 (1910-05-01), Bassett et al.
patent: 985952 (1911-03-01), Stickdorn
patent: 2854994 (1958-10-01), Glasgow
patent: 5742950 (1998-04-01), Chang
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