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:
Oct. 18, 2022
Filed:
Nov. 26, 2020
Inventec (Pudong) Technology Corporation, Shanghai, CN;
Inventec Corporation, Taipei, TW;
Tang-An Liu, Taipei, TW;
Chi-Zen Peng, Taipei, TW;
Chia-Chen Chen, Taipei, TW;
Hsin-Shen Chen, Taipei, TW;
Inventec (Pudong) Technology Corporation, Shanghai, CN;
INVENTEC CORPORATION, Taipei, TW;
Abstract
A fan includes a fan hub and a plurality of blades. At least one of the blades includes an axial blade portion and a centrifugal blade portion. The axial blade portion has an axial arc surface. The axial arc surface extends between opposite two edges of the at least one blade, and connects with one of the two edges. The centrifugal blade portion has a guide trench. The guide trench extends away from the centrifugal blade portion. A width of the guide trench increases as it extends away from the centrifugal blade portion.