Biocidal coated air conditioning evaporator

Details Biocidal coated air conditioning evaporator Biocidal coated air conditioning evaporator

1989-06-02

1991-05-14

Rivell, John

Heat exchange

With coated, roughened or polished surface

1651341, 165905, F28F 1318, F28F 1906

Patent

active

050147749

ABSTRACT:
An automotive air conditioning system evaporator core is formed of an aluminum alloy and has a biocidal coating comprising a zinc layer deposited onto said aluminum alloy and an outermost elemental copper plate overlying said zinc layer. During air cooling operations, slightly acidic condensate accumulating on the surface reacts with the copper to form cupric ions that inhibit microbial growth.

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Lowenheim, F. A., ed., Modern Electroplating, Third Edition, John Wiley & Sons, Inc., New York (1974), pp. 593-595 and pp. 734-739.
American Society for Metals, Metals Handbook, Ninth Edition, vol. 5, Surface Cleaning, Finishing, and Coating (1982), pp. 601-606.
U.S. Ser. No. 172,167, Wolf, filed Mar. 23, 1988.

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