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:
Feb. 10, 2026
Filed:
Apr. 21, 2025
Grandvance Technology, Inc., Taoyuan, TW;
Che-Wei Lee, Taoyuan, TW;
GRANDVANCE TECHNOLOGY, INC., Taoyuan, TW;
Abstract
A centrifugal fan includes a housing, a driving part and an impeller. The housing includes an air inlet, an air outlet, and an internal space. The driving part is secured to the housing, disposed in the internal space, and coaxial with the air inlet. The impeller is disposed in the internal space and coaxially connected to the driving part. The impeller includes a plurality of blades extending radially outward from a ring-shaped member. Each blade of the plurality of blades includes a flow guide. A flow channel space is defined between any two adjacent blades of the plurality of blades. Each flow guide has two side flow guide vanes and at least one dividing flow guide vane. The adjacent two side flow guide vanes and the at least one dividing flow guide vane divide the corresponding flow channel space into at least two flow guide zones.