Folded tube for heat exchanger, and heat exchanger including such tubes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Feb 21, 2002
app pub date -
Jun 20, 2001
filing date -
Jun 21, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a tube for a heat exchanger, consisting of a metal strip having an inner face and an outer face, this strip having two extremities which are folded locally towards the inner face of the tube so as to form two borders (28, 30) placed one beside the other. Passages (38) are formed in at least one of the extremities of the metal strip for introduction of a brazing flux. These passages (38) can be formed in the two extremities of the metal strip, and offset with respect to one another. The passages extend over a distance greater than the height of the borders (28, 30) in such a way as to form an inlet (40) for the brazing flux.
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