Process of manufacturing a heat exchanger

Details Process of manufacturing a heat exchanger Process of manufacturing a heat exchanger

1995-11-28

1998-01-20

Cuda, Irene

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

2989054, 29523, B23P 1526

Patent

active

057090289

ABSTRACT:
Heat exchangers, which are formed by the cassetting of flat tubes and corrugated fins arranged alternately thereof, are subject to the risk of leading to a deforming of the flat tubes in the case of excessive internal pressures and thus to damage to the heat exchanger. A manufacturing process is suggested including curving the bent edges of the corrugated fins convexly toward the outside so that, during the cassetting, the lateral flanks of the flat tubes are pressed in concavely. This results in a higher bursting pressure.

REFERENCES:
patent: 2883165 (1959-04-01), Jensen et al.
patent: 3603384 (1971-09-01), Huggins et al.
patent: 3702632 (1972-11-01), Grimshaw
patent: 4269267 (1981-05-01), Labranda
patent: 4327800 (1982-05-01), Miller
patent: 5172476 (1992-12-01), Joshi
patent: 5271151 (1993-12-01), Wallis
German Search Report, dated Jul. 6, 1995.

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