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.

Date of Patent:
May. 18, 2004

Filed:

Sep. 10, 2002
Applicant:
Inventors:

Chen-Huang Hsieh, Heping Island, Keelung City, TW;

Shu-Jen Chen, Keelung, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/20 ;
U.S. Cl.
CPC ...
G06F 1/20 ;
Abstract

A heat sink attached externally on a bottom portion of a portable computer has the heat sink placed at a rear lower aspect of the portable computer; the present invention is characterized that the heat sink is a flat casing; at least one fan is installed inside the heat sink; an air inlet is disposed at the upper aspect of the fan; an air outlet is disposed at the front aspect of a bearing plate on the front aspect of the fan; a current guide board is disposed at the lower aspect of the fan; according to the abovementioned structure, when being used, the air current enters from the air inlet and discharges outwardly from the air outlet thereby allowing the cooling air current to enter from the bottom portion of the portable computer for heat dissipation.


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