Water heater and flow rate control method
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United States of America Patent
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May 5, 2015
Grant Date -
May 29, 2014
app pub date -
Apr 1, 2011
filing date -
Apr 1, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A water heater in which by applying pulsation of a liquid to be heated which circulates between a tank and a heat exchanger, scale that has been deposited on the inner wall (heat-transfer surface) of a to-be-heated liquid flow channel in a heat exchanger is detached, and the number of times of circulation of the liquid to be heated which circulates between the tank and the heat exchanger is controlled to be three times or less. The number of times of circulation is determined, based on the entire volume of the to-be-heated liquid stored in the tank, a boiling time to be taken for the entire volume of the to-be-heated liquid in the tank to reach a predetermined temperature, and the flow rate of the to-be-heated liquid which passes through the to-be-heated liquid flow channel.
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Family
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Cited Art Landscape
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