Heat exchanger
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United States of America Patent
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N/A
Issued Date -
Oct 5, 2006
app pub date -
Feb 17, 2004
filing date -
Feb 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A heat exchange tube 4 is formed by using a sheet member not clad with a brazing material layer, with bonding margins 4d at which ends of the sheet member are overlapped and brazed by using a brazing material. This structure reduces the extent to which the brazing material becomes dispersed while the heat exchange tube is brazed and the likelihood of dissolution due to erosion, which makes it possible to assure the desired product quality such as corrosion resistance even when a tube material with a smaller wall thickness is used.
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