HEAT SINK

A heat sink is provided that makes air velocity between cooling fins uniform in order to improve heat dissipation performance, thereby realizing a reduction in weight and achieving high cost performance. Distal ends of fins disposed substantially in front of a cooling fan are located on the uppermos...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HATOZAKI YOSHIHISA, YAMAMOTO TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	A heat sink is provided that makes air velocity between cooling fins uniform in order to improve heat dissipation performance, thereby realizing a reduction in weight and achieving high cost performance. Distal ends of fins disposed substantially in front of a cooling fan are located on the uppermost stream side in the flowing direction of cooling air, and distal ends of fins on both sides in the width direction of the heat sink are located on the lowermost stream side. Each of the fins is preferably provided with a slope so that the height of the fin gradually increases from the distal end thereof in a direction from the upstream side to the downstream side in the flowing direction of cooling air.