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:
Jul. 01, 2025
Filed:
Apr. 18, 2023
Applicant:
Acer Incorporated, New Taipei, TW;
Inventors:
Yu-Ming Lin, New Taipei, TW;
Wen-Neng Liao, New Taipei, TW;
Cheng-Wen Hsieh, New Taipei, TW;
Tsung-Ting Chen, New Taipei, TW;
Sheng-Yan Chen, New Taipei, TW;
Chun-Chieh Wang, New Taipei, TW;
Assignee:
Acer Incorporated, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); F04D 17/16 (2006.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20172 (2013.01); F04D 17/16 (2013.01); F04D 29/282 (2013.01); F05D 2250/184 (2013.01);
Abstract
Provided is a centrifugal heat dissipation fan including a housing and an impeller. The impeller is disposed in the housing. The impeller has a hub and multiple blades disposed surrounding the hub. Every two adjacent blades have different blade structures relative to the housing such that the blade structures pass by a fixed position of the housing and generate blade tones of varying frequencies when the impeller rotates.