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. 27, 2011
Filed:
Dec. 12, 2007
Bao-hua Liang, Shenzhen, CN;
Yong-kang Zhang, Shenzhen, CN;
Hong Sun, Shenzhen, CN;
Ying-min Huang, Taipei Hsien, TW;
Bao-Hua Liang, Shenzhen, CN;
Yong-Kang Zhang, Shenzhen, CN;
Hong Sun, Shenzhen, CN;
Ying-Min Huang, Taipei Hsien, TW;
Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Foxconn Technology Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A cooling fan includes a fan housing () having a shaft seat () extending downwardly therefrom, a stator () being fixedly mounted around the shaft seat, a shaft () with a top end being fixedly connected to the shaft seat and a free end () extending downwardly therefrom, a rotor () comprising a hub () having a plurality of blades () extending radially and outwardly, and a sleeve bearing (). A fixing tube () extends upwardly from a center of the hub. The fixing tube has a closed bottom end and defines a fixing hole () therein. The sleeve bearing is fixedly received in the fixing hole of the fixing tube to rotate with the rotor. A bearing hole is defined in the sleeve bearing for extension of the free end of the shaft therethrough.