Tube for Heat Exchanger, Heat Exchanger, and Method for Manufacturing Tube for Heat Exchanger
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
May 11, 2011
filing date -
May 24, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a tube for a heat exchanger in which drainage performance of the tube and the fin is improved while preventing the brazing failure. That is, provided is a tube (110) for a heat exchanger, the tube through which a refrigerant flows being formed into a flat plate shape, the tube including stepped portions (117 and 118) at both end portions (110a and 110b) in a refrigerant flowing direction, respectively, in which the tube has a widthwise length in a region on an end portion (110a or 110b) side with respect to a position of each of the stepped portions (117 and 118), the widthwise length being smaller than a widthwise length in a region between both the stepped portions (117 and 118), and in which the tube further includes a drainage portion (119) at a predetermined position between both the stepped portions (117 and 118) along the refrigerant flowing direction.
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