Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1998-12-09
2000-04-04
Cuda, I.
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29890046, 29727, 165173, B23P 1526
Patent
active
060445548
ABSTRACT:
A heat exchanger, especially a heating or cooling radiator for a motor vehicle, has a tube bundle consisting of oval or oblong tubes which extend through a matrix of cooling fins. End portions of the tubes are introduced into holes in a header plate, with a compressible sealing gasket being interposed, the gasket having collar portions surrounding the tube end portions, and the latter having an oval or oblong cross section. The major axis of each tube end is equal to the major axis of the body of the tube, while the minor axis of the tube end is greater than the minor axis of the body of the tube as a result of the tube having been expanded or flared during the assembly of the heat exchanger.
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Cuda I.
Valeo Thermique Moteur
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