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. 31, 2023
Filed:
Aug. 17, 2018
Applicant:
Lenovo (Beijing) Co., Ltd., Beijing, CN;
Inventors:
Zizhou Jia, Beijing, CN;
Hongmei Ge, Beijing, CN;
Assignee:
LENOVO (BEIJING) CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 29/32 (2006.01); F04D 29/30 (2006.01); F04D 29/28 (2006.01); F04D 19/00 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/384 (2013.01); F04D 19/002 (2013.01); F04D 29/281 (2013.01); F04D 29/30 (2013.01); F04D 29/325 (2013.01); F04D 29/666 (2013.01);
Abstract
A cooling fan and an electronic device are provided. The cooling fan comprises a plurality of blades disposed in a circumferential direction of a rotating shaft. The plurality of blades includes a first blade and a second blade. A windward surface of the first blade includes a first alignment part and a first offset part. The first alignment part is aligned with a windward surface of the second blade, and the first offset part and the windward surface of the second blade are arranged in a staggered manner.