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:
Apr. 02, 2024
Filed:
Mar. 03, 2022
Applicant:
Lenovo (Beijing) Limited, Beijing, CN;
Inventor:
Ziran Li, Beijing, CN;
Assignee:
LENOVO (BEIJING) LIMITED, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); G06F 1/20 (2006.01); F04D 19/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/663 (2013.01); G06F 1/203 (2013.01); F04D 19/002 (2013.01); F04D 29/666 (2013.01); F04D 29/668 (2013.01); G06F 2200/201 (2013.01);
Abstract
A heat dissipation fan includes a fan blade assembly. The fan blade assembly includes a plurality of fan blades and a plurality of silencers connected to the plurality of fan blades and evenly arranged along a rotation direction of the plurality of fan blades. A center of gravity of the plurality of silencers coincides with a rotation center of the heat dissipation fan. At least some fan blades of the plurality of fan blades have different contact surfaces with air.