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.:
Date of Patent:
Jan. 02, 2024
Filed:
Jul. 07, 2022
Applicant:
Asustek Computer Inc., Taipei, TW;
Inventors:
Hsin Chen Lin, Taipei, TW;
Ing-Jer Chiou, Taipei, TW;
Assignee:
ASUSTEK COMPUTER INC., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/30 (2006.01); F04D 29/28 (2006.01); F04D 29/44 (2006.01); F04D 17/16 (2006.01);
U.S. Cl.
CPC ...
F04D 29/281 (2013.01); F04D 29/30 (2013.01); F04D 29/441 (2013.01);
Abstract
Provided is a centrifugal fan. The centrifugal fan includes an air inlet, a shaft, and a plurality of blades. The blades are arranged around the shaft. Each of the blades includes an air guiding portion on a side of the blade facing the air inlet. The air guiding portion includes a first curve and a second curve. An air inflow channel is formed between the first curve and the second curve of two adjacent air guiding portions respectively. A width of the air inflow channel is expanded in a direction away from the air inlet according to an expanding ratio.