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. 24, 2015
Filed:
May. 17, 2012
Yen-min Su, Pingtung County, TW;
Kao-chuan Huang, Pingtung County, TW;
Chi-ping Lai, Pingtung County, TW;
Jiun-shian Guo, Pingtung County, TW;
Yen-Min Su, Pingtung County, TW;
Kao-Chuan Huang, Pingtung County, TW;
Chi-Ping Lai, Pingtung County, TW;
Jiun-Shian Guo, Pingtung County, TW;
ADDA Corp., Pingtung, Pingtung County, TW;
Abstract
A heat-dissipation fan including a base and an impeller disposed at the base, wherein the impeller includes a plurality of first blades, a plurality of second blades and a plurality of connection ribs. Each of the first blades and each of the second blades are arranged alternately. Each of the connection ribs comprises a first edge, a second edge and a third edge. The first edge is connected with the first blade, the second edge is connected with the second blade, the third edge is connected with the first edge and the second edge, and the third edge and the second blade are spaced apart to form a first vent. The first edge comprises a first length, the second edge comprises a second length, and the first length is larger than the second length.