Method of manufacturing an aluminum heat exchanger

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

1977-06-22

1980-06-17

Crane, Daniel C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573A, 113118B, 113118C, B23P 1526

Patent

active

042076625

ABSTRACT:
A method of manufacturing an aluminum heat exchanger comprising the steps of: forming inclined surfaces on a support plate including an aluminum core clad with a brazing material layer at least on its top surface, said inclined surfaces sloping downwardly toward an aperture in the support surface; inserting a water pipe having an outer wall made of aluminum into said aperture with said core held in contact with said water pipe; assembling said support plate and said water pipe so that, when heated, said brazing material layer is melted, and flows down toward and collects around said aperture wherein said water pipe contacts said support plate; and heating said support plate and said water pipe to melt the brazing material layer, whereby the parts to be joined can be brazed together.

REFERENCES:
patent: 1171899 (1916-02-01), Still
patent: 1865051 (1932-06-01), Trane
patent: 2046791 (1936-07-01), Przyborowski
patent: 2368403 (1945-01-01), Barnes
patent: 3231017 (1966-01-01), Henderson
patent: 4041594 (1977-08-01), Chartet

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