The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2002
Filed:
May. 11, 2001
Chun-Chi Chen, Taipei, TW;
Abstract
A heat sink assembly includes a heat sink ( ), an internal fan ( ), a fan frame ( ), and an external fan ( ). The heat sink includes a base ( ) and a fin member ( ) attached to the base. The fin member includes a central portion ( ), and a plurality of fins ( ) extending radially from the central portion. A central cavity ( ) is defined in the fin member, surrounded by the fins. The internal fan is received in the cavity and supported by the central portion. The fan frame has an opening ( ) defined therein, and is mounted on the heat sink. The external fan is mounted on the fan frame such that it covers the opening. The internal fan accelerates airflow from upper portions of the fin member to lower portions of the fin member.