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:
Aug. 26, 2008

Filed:

Jan. 29, 2007
Applicants:

Shih-hua Ho, Taoyuan Hsien, TW;

Hao-ming Chen, Taoyuan Hsien, TW;

Tsung-yu Lei, Taoyuan Hsien, TW;

Wen-shi Huang, Taoyuan Hsien, TW;

Inventors:

Shih-Hua Ho, Taoyuan Hsien, TW;

Hao-Ming Chen, Taoyuan Hsien, TW;

Tsung-Yu Lei, Taoyuan Hsien, TW;

Wen-Shi Huang, Taoyuan Hsien, TW;

Assignee:

Delta Electronics, Inc., Taoyuan Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the air outlet. The curved expansion portion is radially and outwardly extended from an inner peripheral wall of the passage at the air inlet or air outlet. An impeller is disposed in the fan frame and includes a plurality of blades. Each blade is disposed in the passage and includes an extension end extending to the curved expansion portion.


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