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:
Jun. 01, 2021

Filed:

Nov. 17, 2017
Applicant:

Dell Products L.p., Round Rock, TX (US);

Inventors:

Gurmeet S. Bhutani, Taipei, TW;

Cheng-Kuo Wang, HsinChu, TW;

Hung-Pin Chien, Taipei, TW;

Li-Chung Liu, Zhongli, TW;

Tien Hsiang Wu, Taipei, TW;

Assignee:

Dell Products L.P., Round Rock, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 27/00 (2006.01); F04D 29/70 (2006.01); G06F 1/20 (2006.01); F04D 25/10 (2006.01); F04D 17/16 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
F04D 25/10 (2013.01); F04D 17/16 (2013.01); F04D 27/004 (2013.01); F04D 29/4246 (2013.01); F04D 29/703 (2013.01); G06F 1/20 (2013.01); F04D 25/0613 (2013.01);
Abstract

Dual operation centrifugal fan apparatus and methods of operating same that may be used, for example, to cool the internal heat-generating components of an information handling system or other device. The dual operation centrifugal fan apparatus may be implemented in one embodiment as a self-cleaning blower apparatus that is operated in a first normal cooling direction to dissipate heat from internal components of an information handling system, and operated in second cleaning direction to reverse airflow and expel accumulated dust from the interior of the information handling system.


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