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:
Apr. 27, 2021

Filed:

Apr. 16, 2019
Applicant:

Harman International Industries, Incorporated, Stamford, CT (US);

Inventors:

Wenbing Tang, Shanghai, CN;

Guanting Huang, Jiangsu Province, CN;

Haifeng Lu, Shanghai, CN;

Liang Tan, Jiangsu Province, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H01L 23/467 (2006.01); F28F 13/06 (2006.01); F28F 3/04 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20145 (2013.01); F28F 3/048 (2013.01); F28F 13/06 (2013.01); H01L 23/467 (2013.01); H05K 7/20154 (2013.01);
Abstract

An electronic device and a heat-dissipation device for an electronic device are provided. The heat-dissipation device comprises an airflow channel; an airflow source located in the airflow channel; a plurality of elongated heat-dissipation fins arranged in the airflow channel; and a plurality of heat-dissipation flow-guiding devices arranged in the airflow channel and between the airflow source and the plurality of elongated heat-dissipation fins, wherein the plurality of heat-dissipation flow-guiding devices include a first heat-dissipation flow-guiding device in a central position of the airflow channel and a second heat-dissipation flow-guiding device on two sides of the airflow channel, and a longitudinal distance between the first heat-dissipation flow-guiding device and the airflow source is less than the distance between the second heat-dissipation flow-guiding device and the airflow source.


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