Flat tube of a heat exchanger in heating installations or of a radiator of a motor vehicle
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United States of America Patent
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-
Feb 4, 2003
Grant Date -
N/A
app pub date -
Apr 27, 1999
filing date -
Apr 29, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a flat tube of a heat exchanger in heating installations or of a radiator of a motor vehicle which is folded from a flat sheet metal of aluminum or an aluminum alloy and across the respective flow of which spacers or the flat sides of the flat tube brazed or soldered to one another are distributed, which are designed as dents of the flat sides of the flat tube on one or both sides. According to the invention it is provided that in the same flow in addition to the spacers embossments freely projecting into the flow are distributed as turbulence-generating flow obstacles at least at one flat side of the flat tube.
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