Heat dissipation device with U-shaped and S-shaped heat pipes

Details Heat dissipation device with U-shaped and S-shaped heat pipes Heat dissipation device with U-shaped and S-shaped heat pipes

2011-01-11

2011-01-11

Tyler, Cheryl J (Department: 3744)

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

C165S080300, C361S700000, C257S715000

Reexamination Certificate

active

07866376

ABSTRACT:
A heat dissipation device includes a base for contacting an electronic device, a fin set thermally contacting the base, a first heat pipe and a second heat pipe connecting the base and the fin set. The fin set has a bottom larger than the base and an upper portion apart from the bottom thereof. The first heat pipe has a flat top face thermally contacting the bottom of the fin set, including a first transferring portion thermally engaging with the base and a second transferring portion extending from the first transferring portion and projecting beyond the base. The second heat pipe includes an evaporation portion thermally engaging with the base and a condensation portion extending from the evaporation portion and engaging with the upper portion of the fin set.

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