Heat exchanger

H - Electricity – 01 – L

Patent

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Details

H01L 23/367 (2006.01)

Patent

CA 2530351

A heat exchanger is disclosed which has excellent cooling efficiency and thus is capable of adequately dealing with increase in heat generation of an electronic component or the like. In a heat exchanger having plate fins (2) arranged in parallel on a base surface (1a), each plate fin (2) has a rectifier portion (2b) with a tapered cross section at least on one end portion (2a). Consequently, a heat-exchange medium can easily flow into the spaces between the plate fins (2). Both sides (2c) of each plate fin (2) are preferably formed flat, so that the resistance to the heat-exchange medium flowing between the plate fins (2) is low.

L'invention concerne un échangeur thermique possédant un excellent rendement de refroidissement et étant, par conséquent, capable de gérer de manière adéquate une augmentation de la génération de chaleur d'un composé électronique ou analogue. Dans un échangeur thermique comprenant des ailettes (2) de plaque disposées en parallèle sur une surface de base (1a), chaque ailette (2) de plaque comprend une partie de rectification (2b) présentant une section transversale tronconique sur au moins une partie terminale (2a). Par conséquent, un milieu d'échange thermique peut s'écouler facilement dans les espaces entre les ailettes (2) de plaque. Chaque côté (2c) de chaque ailette (2) de plaque est, de préférence, de forme plate, de manière que la résistance au milieu d'échange thermique s'écoulant entre les ailettes (2) de plaque soit faible.

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