Method of manufacturing an aluminum heat exchanger

Details Method of manufacturing an aluminum heat exchanger Method of manufacturing an aluminum heat exchanger

1993-04-21

1994-03-22

Cuda, Irene

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29890043, 29890054, 228183, B23P 1526

Patent

active

052953025

ABSTRACT:
An aluminum heat exchanger is made from flat aluminum tubes formed with side edge projections having engaging surfaces and coated with brazing material on the outside surface but not on the inside surface of the tube or the projections. The opposite ends of the tubes are inserted into flat tube insertion holes in opposed header tanks which have a brazing material coated on the peripheral surface of the tank, so that, during brazing of the assembled heat exchanger components, brazing material flows from the header tanks to the engaging surfaces of the flat tubes.

REFERENCES:
patent: 4688311 (1987-08-01), Saperstein et al.
patent: 4945635 (1990-08-01), Nobusui et al.
patent: 5005285 (1991-04-01), Ishu

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