Water heater
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United States of America Patent
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Apr 14, 2015
Grant Date -
Aug 22, 2013
app pub date -
Jan 14, 2013
filing date -
Feb 22, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A water heater includes a bypass that is formed, on the side of a water supply pipe, branching from a main water path and bypassing a part of the main water path, and a flow path switching unit (a valve and a stepping motor) that is formed at a branching portion of the main water path and the bypass. The flow path switching unit is controlled by a controller and that can selectively switch a flow path between the main water path and the bypass. A microbubble generator generating microbubbles is provided on the bypass, the microbubble generator including a water agitator portion, a compression portion and a decompression portion. When the controller determines that scale has built up, the flow path is switched to the bypass by the flow path switching unit, and water containing microbubbles is caused to flow inside the water heater.
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Family
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Cited Art Landscape
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