Water server
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United States of America Patent
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May 17, 2016
Grant Date -
Feb 12, 2015
app pub date -
Jul 6, 2012
filing date -
Mar 2, 2012
priority date (Note) -
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Abstract
A water dispenser includes a pump which can lift water in an exchangeable raw water container into a water storage tank in a casing. The water dispenser further includes a water level sensor in the form of a float sensor for detecting the upper limit and the lower limit of the water level in the water storage tank. The water dispenser further includes a controller adapted to activate the pump upon receiving a sensor input indicative of detection of the lower limit, and deactivate the pump upon receiving sensor input indicative of detection of the upper limit. The controller is further adapted to measure the time elapsed since the pump was activated, and deactivate the pump when the time elapsed reaches a predetermined time at which the water level exceeds the upper limit and at which water in the water storage tank has not yet overflown the water storage tank.
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