Heat dissipation device for electronic device

Details Heat dissipation device for electronic device Heat dissipation device for electronic device

2006-06-06

2006-06-06

Walberg, Teresa J. (Department: 3753)

Heat exchange

With retainer for removable article

Electrical component

C165S185000

Reexamination Certificate

active

07055577

ABSTRACT:
A heat dissipation device includes a column (1) for being positioned on an electronic device for dissipating heat therefrom, a plurality of fin units (5) attached to and stacked along the column, an H-shaped securing member (3) attached to the column below the fin units for securing the heat dissipation device to the electronic device, a pair of fan supports (7) extending from opposite sides of the securing member, and a fan (9) mounted on the fan supports. The fin units define a plurality of sprial air passages along an axis of the column which consist with air flow of the fan. Each of the fin units is configured by a metal disc with a plurality of sectors (54, 54′, 54″) and channels (56, 56′, 56″) between adjacent sectors.

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