Heat exchange element

Details Heat exchange element Heat exchange element

B - Operations, Transporting

21

D

B21D 53/08 (2006.01) F28D 1/04 (2006.01) F28F 1/20 (2006.01) F28F 1/30 (2006.01)

Patent

CA 2086730

A method of manufacturing a removable heat exchange element for a heat exchanger e.g. a cooling radiator for a car, comprises taking a length of tubing which has been preformed to have an accurately flat surface and bonding a fin to the surface. Preferably the tubing has been precoated with a metallic bonding agent such as solder or brazing alloy and the bonding includes heating the tubing and fin to melt the solder or alloy, and then cooling the assembly.

Méthode de fabrication d'un élément remplaçable servant à l'échange thermique dans un échangeur de chaleur, p. ex. un radiateur à froid dans un véhicule. La méthode utilise une section de tube préformé en vue d'obtenir avec précision une surface plane et à fixer une ailette sur la surface. De préférence, le tube a été au préalable enduit d'un liant métallique comme de la brasure ou un alliage de brasage et la liaison de fait en chauffant le tube et l'ailette afin de faire fondre la brasure ou l'agent de brasage, puis à laisser refroidir les éléments assemblés.

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