Aluminum heat exchanger

Details Aluminum heat exchanger Aluminum heat exchanger

1997-09-29

1999-12-28

Leo, Leonard

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

165 81, 165149, B23P 1500, F28F 700

Patent

active

060064307

ABSTRACT:
An aluminum heat exchanger includes laminated aluminum tubes and corrugated fins, a core portion receiving respective ends of tubes into sheet metals members, and iron or stainless steel inserts having high strength receiving U-shaped folded pieces of the sheet metal members contacting the corrugated fins at the outermost portion of the core portion. The tubes and the corrugated fins are held and pressed from both sides of the core portion by the inserts and the corrugated fins are protected from coming apart during a brazing operation.

REFERENCES:
patent: 3165151 (1965-01-01), Astrup et al.
patent: 3228461 (1966-01-01), Seekins
patent: 3894580 (1975-07-01), Chartet
patent: 3939908 (1976-02-01), Chartet
patent: 4534407 (1985-08-01), Lardner
patent: 4619313 (1986-10-01), Rhodes et al.
patent: 5176205 (1993-01-01), Anthony

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