Heat dissipation device

Details Heat dissipation device Heat dissipation device

2006-04-24

2010-02-02

Flanigan, Allen J (Department: 3744)

Heat exchange

With retainer for removable article

Electrical component

C165S119000, C165S121000, C361S697000

Reexamination Certificate

active

07654309

ABSTRACT:
A heat dissipation device includes a heat sink (10), a fan (20) disposed on top of the heat sink, a fan duct (30) arranged on the fan and a fan guard (40) sandwiched between the fan and the fan duct. The fan defines a through hole (26) at each corner and includes a plurality of positioning blocks (28) extending from each side edge thereof. The fan duct includes a plurality of connecting portions (32) extending from a circumference of the fan duct near the fan. Each connecting portion includes a post fitted in the through hole and a hook engaging with the positioning block.

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