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. 10, 2006
Filed:
Jun. 17, 2004
Hsiu-wei Wu, Taipei, TW;
Heng-yi Chen, Chiai, TW;
Chin-fu Lee, Changhua, TW;
Wen-tsao Lee, Hsinchu, TW;
Wen-shi Huang, Jungli, TW;
Kuo-chen Huang, Jhongli, TW;
Chieh-lung Ho, Kaohsiung, TW;
Hsiu-Wei Wu, Taipei, TW;
Heng-Yi Chen, Chiai, TW;
Chin-Fu Lee, Changhua, TW;
Wen-Tsao Lee, Hsinchu, TW;
Wen-Shi Huang, Jungli, TW;
Kuo-Chen Huang, Jhongli, TW;
Chieh-Lung Ho, Kaohsiung, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
An impeller is applied to a centrifugal fan and includes fan blades and a hub. Each fan blade includes a first portion and a second portion. The first portion is located relatively close to the hub and the first portion is coupled to the second portion. The first portion has a windward side and a leeward side, and the windward side is parallel to the leeward side. The second portion is located relatively far away from the hub. The second portion has a windward side and a leeward side, and the windward side and the leeward side are two curved surfaces with different specific curvatures.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile