Fin tube heat exchanger
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United States of America Patent
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Mar 17, 2015
Grant Date -
Jul 12, 2012
app pub date -
Sep 15, 2010
filing date -
Sep 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A fin tube heat exchanger 1 according to the present invention includes fins 31 and a heat transfer tube 21 penetrating through the fins 31. A region that is surrounded by line segments connecting among two reference points BP and two leading edge reference points BPF is defined as a reference region. A region that is included in the reference region and located between an upstream reference line LU and a downstream reference line LD is defined as a specific region. Each fin 31 is provided with a cut-and-raised portion 12 having, in the specific region, another leading edge different from a leading edge 31f. The cut-and-raised portion is formed by cutting and raising a part of the fin 31.
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