Method of fabricating a heat exchanger

Details Method of fabricating a heat exchanger Method of fabricating a heat exchanger

2006-04-25

2006-04-25

Compton, Eric (Department: 3726)

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

C029S890043, C029S890038

Reexamination Certificate

active

07032313

ABSTRACT:
Heat exchange inefficiencies found in round tube plate fin heat exchangers are eliminated in an aluminum heat exchanger that includes first and second headers (20), (22) and at least one flattened tube (24), (70) extending between the headers (20), (22). A plurality of generally parallel tube runs are defined and each has opposite edges. A plurality of plate fins (26), (50) are arranged in a stack and each has a plurality of open ended slots (34), one for each run of the tubes (24), (70). Each of the tube runs (24), (70) is nested within corresponding slots (26) and the fins (26), (50) with one of the edges (40) of the tube runs extending outwardly of the corresponding fin (26). The assembly is brazed together.

REFERENCES:
patent: 1913175 (1933-06-01), Summers
patent: 3757856 (1973-09-01), Kun
patent: 4860822 (1989-08-01), Sacks
patent: 852249 (1952-10-01), None
patent: 10-089870 (1988-04-01), None
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patent: 05-060482 (1993-03-01), None
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patent: 2002-139282 (2002-05-01), None
Altavista Machine Translation of DE 852249.

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