Heat exchanger and air conditioner
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United States of America Patent
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Nov 15, 2016
Grant Date -
Aug 4, 2016
app pub date -
Sep 11, 2014
filing date -
Sep 11, 2013
priority date (Note) -
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Abstract
In a heat exchanger, a principal windward heat exchange region includes a principal windward bank portion, a principal leeward heat exchange region includes a principal leeward bank portion, an auxiliary windward heat exchange region includes an auxiliary windward bank portion, and an auxiliary leeward heat exchange region includes an auxiliary leeward bank portion. Each of the principal and auxiliary bank portions is constituted of a plurality of flat tubes. In the heat exchanger functioning as an evaporator, a refrigerant flows sequentially through the auxiliary windward, auxiliary leeward, principal leeward, and principal windward bank portions. In the heat exchanger functioning as a condenser, a refrigerant flows sequentially through the principal windward, principal leeward, auxiliary leeward, and auxiliary windward bank portions. Consequently, the heat exchanger exhibits performance sufficient for functioning as both an evaporator and a condenser.
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