F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 1/24 (2006.01) F28F 13/06 (2006.01)
Patent
CA 2747353
A tube-type heat exchanger comprises finned tubes (2). The tubes extend in a certain axial direction and are equipped with heat exchange fins (4). Each fin has a heat exchange surface surrounding a tube which extends in a certain radial direction relative to the tube and is structured in relief to form grooves at intervals from each other in the radial direction. The grooves of a fin have dimensions, such as breadth and depth, which reduce with distance from the tube in the radial direction in such a way as to guide a fluid around the tube.
Un échangeur de chaleur à tubes comprend des tubes à ailettes (2). Les tubes s'étendent selon une certaine direction axiale et sont munis d'ailettes d'échange de chaleur (4). Chaque ailette a une surface d'échange de chaleur entourant un tube qui s'étend selon une certaine direction radiale par rapport au tube et qui est structurée en relief pour former des rainures espacées l'une par rapport à l'autre selon la direction radiale. Les rainures d'une ailette ont des dimensions, telles que largeur et profondeur, qui diminuent à mesure qu'on s'éloigne du tube selon la direction radiale de telle façon à réaliser un guidage pour un fluide autour du tube.
Chacun Serge
Clunet Francois
Goumondie Jerome
Robidou Herveline
Tintillier Remy
Gea Batignolles Technologies Thermiques
Goudreau Gage Dubuc
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