Water saver flush system
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United States of America Patent
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Jan 9, 2007
Issued Date -
N/A
app pub date -
Jul 22, 2004
filing date -
Jul 22, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A water saver toilet that produces a larger water spot (122) in the toilet bowl (12) and a better flushing, and that enables partial and full flushing. A trapway (14) that extends from the toilet bowl outlet to a drain (16), has upper and lower traps (30, 32) and a trapway passage (34) that extends between and into the traps. The lower trap is constructed to be sealed by water therein prior to each flushing, and a pressured air source (98) applies pressured air to the trapway prior to a flushing. The pressured air in the trapway pushes some upper trap water into the toilet bowl to increase the water spot therein. A first container (40) lies in the water tank, and the water therein can be flushed down from the first container though a coupling region (80) and though a flush valve (24), for a partial flushing. A full flushing is achieved by opening a second valve (62) to pass water lying in the tank around and above the first container, and through the coupling region and the flush valve.
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