Heat exchanger having a header
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United States of America Patent
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Sep 20, 2011
Issued Date -
N/A
app pub date -
Apr 18, 2008
filing date -
Apr 23, 2007
priority date (Note) -
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Abstract
The present invention provides a pipe for a heat exchanger. The header includes a tube insertion hole for insertion of a tube, a filler metal groove formed in a length direction on one side or both sides at a point separated from the tube insertion hole, and a filler metal that flows down following the tube and the periphery where the tube and tube insertion hole come in contact. Filler metal is inserted in the filler metal groove so as to enable brazing fusion. A lead groove is formed between the tube insertion hole and filler metal groove and provides a pathway so as to enable smooth flow of the filler metal, and so that molten filler metal can flow smoothly into the fused areas between the tube and header pipe in desired locations and amounts.
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