Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yi-Qiang Wu0
Chun-Chi Chen0
Date of Patent
February 2, 2010
0Patent Application Number
113087040
Date Filed
April 24, 2006
0Patent Primary Examiner
Patent 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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