Aluminum heat exchanger

Details Aluminum heat exchanger Aluminum heat exchanger

1981-06-11

1983-01-18

Davis, Jr., Albert W.

Heat exchange

With coated, roughened or polished surface

165180, 428650, F28F 1902

Patent

active

043687768

ABSTRACT:
An aluminum heat exchanger with excellent corrosion resistance and particularly suited for adaptation as radiator for automobiles, the heat exchanger having a 2- or 3-layer coating film structure consisting of a zinc-diffused layer formed on the surface of an aluminum base and a waterproof organic film formed on the zinc-diffused layer with or without a phosphoric acid-chromate coating therebetween, whereby the surface of the aluminum base is not directly contacted with at least the water-containing heat exchange medium is provided.

REFERENCES:
patent: 3050786 (1962-08-01), John et al.
patent: 3650005 (1972-03-01), Kamiya et al.
patent: 4193180 (1980-03-01), Press
Inhibiting Corrosion, Bartkus et al., IBM Technical Disclosure Bulletin, vol. 13, No. 7, Dec. 1970, p. 1764.

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