Heat exchange – With coated – roughened or polished surface
Patent
1994-03-30
1996-08-13
Flanigan, Allen J.
Heat exchange
With coated, roughened or polished surface
1651341, 228208, 228226, F28F 1902
Patent
active
055446981
ABSTRACT:
Microextruded tubes each having two side surfaces, front and trailing edge surfaces and two ends are provided for insertion into aligned slots in headers to complete a heat exchanger assembly. The tubes each include a first coating composition containing an adhesive binder vehicle, flux material and brazing alloy deposited on the side surfaces adjacent the ends of the tube. The first coating composition is structurally arranged and applied to engage the aligned slots in the headers upon the insertion of the ends of the tubes into the header. The side surfaces of the microextruded tube include a second surface coating containing an adhesive binder vehicle, flux material, zinc and silicon extending the length of side tube between the deposited first coatings. The front and trailing edge surfaces of the tube include a third surface coating composition containing adhesive binder vehicle, flux material and zinc. A method of manufacturing parallel flow-type heat exchangers is disclosed.
REFERENCES:
patent: 4901908 (1990-02-01), Negura et al.
patent: 5054549 (1991-10-01), Nakaguro
Flanigan Allen J.
Peerless of America Incorporated
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