Heat exchanger

Details Heat exchanger Heat exchanger

F - Mech Eng,Light,Heat,Weapons

28

F

257/22

F28F 7/00 (2006.01) F28F 9/18 (2006.01)

Patent

CA 1233169

HEAT EXCHANGER Abstract A heat exchanger wherein the tubes are connected to the headers by soldering. Specifically, the tubes extend through and a predetermined distance beyond vertically flanged openings in a header. The tubes include vertical slits formed in a spaced relationship in opposite side walls thereof in the end portion which extends beyond the header flanges. The wall portion between the slits is folded in a curled configuration toward the vertical flanges until the edges of the curled wall contact the flanges. Solder is applied by capillary action between the tubes and the inner surfaces of the flanges and in the space between the outer surfaces of the flanges and the curled tube portions.

461902

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