CORRUGATED FIN AND HEAT EXCHANGER INCLUDING THE SAME
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United States of America Patent
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app pub date -
Jul 21, 2016
filing date -
Feb 25, 2010
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Abandoned
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Abstract
A corrugated fin has flat plate sections each having a pair of lateral sides facing each other and a pair of end sides facing each other, and joining sections connecting with lateral sides of the flat plate sections. The flat plate sections and joining sections are alternately formed into a corrugated shape by bending. The joining section has an even surface joined to a tube through which a heat exchange medium flows, while the flat plate section includes a recess or protrusions in arbitrary sections taken along two directions including a direction in which the lateral sides are arranged and a direction in which the end sides are arranged, respectively.
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