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.:

US 7403389 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 22, 2008

Filed:

Dec. 20, 2005
Applicants:

Zhi-jiang Yao, Shenzhen, CN;

Ning-yu Wang, Shenzhen, CN;

Inventors:

Zhi-Jiang Yao, Shenzhen, CN;

Ning-Yu Wang, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd., Bao-an District, Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat dissipation device includes a heat sink () and a fan (). The heat sink includes a plurality of fins (), and a guiding portion () is formed in the fins. The fan is secured to the heat sink. An airflow (F) is generated by the fan for flowing through the heat sink. When the airflow meets with the guiding portion, the airflow is deflected. The deflected airflow is guided to flow across heat-generating elements.


Find Patent Forward Citations

Yao, Zhi-Jiang. (2008). Heat dissipation device (U.S. Patent No. 7403389). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7403389

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