| 摘要 |
PROBLEM TO BE SOLVED: To dissipate heat also of a motor set in a hub in the structure of a heat sink. SOLUTION: The structure of a heat sink comprises a fan 10, a motor set 20, and a seat body 30. The fan 10 is bonded to the seat body 30, the motor set 20 is fitted to the seat body 30, at least one inclining portion 110 is provided on the periphery of a hub 11 in the fan 10, one inclining portion 110 of the hub 11 forms an air inlet A and an air flow channel along with the seat body 30, and a part of air flow produced through rotation of the fan is introduced into the hub 11 to dissipate heat of the motor set 20 contained in the hub 11 thus prolonging the lifetime of the heat sink. COPYRIGHT: (C)2006,JPO&NCIPI
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