Heat exchanger and process of manufacturing tubes for same

Details Heat exchanger and process of manufacturing tubes for same Heat exchanger and process of manufacturing tubes for same

1998-06-08

2000-08-22

Flanigan, Allen

Heat exchange

Side-by-side tubular structures or tube sections

165153, 165DIG507, 165DIG509, 165DIG506, F28F 102

Patent

active

061056650

ABSTRACT:
Heat exchangers are known which are constructed of flat tubes which are formed in that the bent-open tube ends of the flat tubes are joined with contact surfaces, openings in the contact surfaces contributing to the formation of coolant tanks. The closure of the bent-open areas is achieved by inserting special covers. The bent-open areas of the tube ends are constructed to be larger and to use the wall parts projecting beyond the contact surface for forming a tight closure. This can take place by a folding, an overlapping or an obtuse placing against one another of the wall parts which are folded to the inside. The flat-tube heat exchangers may be used, for example, as transmission oil coolers.

REFERENCES:
patent: 4592414 (1986-06-01), Beasley
patent: 4745967 (1988-05-01), Kern
patent: 4775006 (1988-10-01), Hesse
patent: 5538077 (1996-07-01), So et al.

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