Method for producing a heat exchanger having a flat tube and hea

Details Method for producing a heat exchanger having a flat tube and hea Method for producing a heat exchanger having a flat tube and hea

1984-12-05

1987-07-07

Davis, Jr., Albert W.

Metal fusion bonding

Process

With supplementary mechanical joining

228183, 228189, 165173, 165178, B23K 3102

Patent

active

046781129

ABSTRACT:
In production of a serpentine-type aluminum heat exchanger having an aluminum flat tube with a plurality of fluid passageways and aluminum header pipes connected to opposite ends of the flat tube, flat sleeves with outer end flanges of aluminum alloy brazing filler metal are fitted on the opposite end portions of the flat tube while the end flanges being in contact with outer surfaces of the header pipes. The sleeves and end flanges are melted by heating so that the header pipes are brazed to the flat tube.

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patent: 4277013 (1981-07-01), Spanoudis
patent: 4353224 (1982-10-01), Nonogaki et al.

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