Heat exchanger made of aluminum
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 17, 1991
Grant Date -
N/A
app pub date -
Dec 6, 1990
filing date -
Dec 8, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat exchanger made of aluminum includes a tube and a fin joined thereto by a fillet which is made primarily of zinc. The tube and the fin are each prepared from a material made of aluminum and nobler than the fillet by at least 0.325 V in terms of potential. The use of the material for forming the tube and the fin prevents cracks from developing in the vicinity of the interface between the fillet and the tube or the fin.
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