Method for producing an aluminum heat exchanger

Details Method for producing an aluminum heat exchanger Method for producing an aluminum heat exchanger

1984-08-27

1986-05-13

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573R, 228183, 228255, B21D 5306

Patent

active

045877017

ABSTRACT:
A serpentine-type aluminum heat exchanger comprising a serpentine-anfractuous flat tube of an aluminum alloy, a plurality of corrugated fin units made of an aluminum alloy having a high aluminum content of 99 wt. % or more, and brazing metal coating layers fixed onto entire flat surfaces of parallel portions of the serpentine-anfractuous flat tube and for joining the flat tube and the fin units, is produced by preparing the serpentine-anfractuous flat tube of an aluminum alloy, the corrugated fin units and U-shaped members of an aluminum alloy brazing filler metal, closely fitting the U-shaped members onto the parallel portions of the flat tube, disposing the fin units in spaces between adjacent U-shaped members fitted onto the parallel portions of the flat tube, and heating the flat tube, the fin units and U-shaped members in the assembled relation to the brazing temperature.

REFERENCES:
patent: 2838830 (1958-06-01), Huggins
patent: 3521707 (1970-07-01), Brown
patent: 4214925 (1980-07-01), Arita et al.
patent: 4327800 (1982-05-01), Miller

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