Heat exchanger made of aluminum

Details Heat exchanger made of aluminum Heat exchanger made of aluminum

1990-12-06

1991-12-17

Flanigan, Allen J.

Heat exchange

With protector or protective agent

228183, F28F 1900

Patent

active

050727893

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.

REFERENCES:
patent: 4510030 (1985-04-01), Miyashita et al.
patent: 4732311 (1988-03-01), Hasegawa et al.
patent: 4831701 (1989-05-01), Yutaka
patent: 4842185 (1989-06-01), Kudo et al.

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