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:
Dec. 29, 2015
Filed:
Jun. 26, 2012
Yu-nien Huang, Taoyuan County, TW;
Chun-fa Tseng, Kaohsiung, TW;
Chun-che Chiu, New Taipei, TW;
Hsin-yu Wang, Kaohsiung, TW;
Yi-mei Chiu, Taoyuan County, TW;
Ching-tzu Huang, Taoyuan County, TW;
Yu-Nien Huang, Taoyuan County, TW;
Chun-Fa Tseng, Kaohsiung, TW;
Chun-Che Chiu, New Taipei, TW;
Hsin-Yu Wang, Kaohsiung, TW;
Yi-Mei Chiu, Taoyuan County, TW;
Ching-Tzu Huang, Taoyuan County, TW;
QUANTA COMPUTER INC., Guishan Dist., Taoyuan, TW;
Abstract
A centrifugal fan includes a housing, a driving device, and a fan impeller. The housing has a hollow chamber which has a central axis. The driving device is located at the central axis of the hollow chamber. The fan impeller is disposed in the hollow chamber and includes a hub, several blades, and several fins. The hub is connected with the driving device. The blades are disposed around the hub. Each blade has a windward surface and a leeward surface. Each fin extends from the windward surface of one of the blades, outward by an arc surface from the windward surface starting from a location near the central axis, and further extends to the leeward surface of an adjacent blade.