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:
Mar. 06, 2007
Filed:
Dec. 14, 2004
Ching-hsing Huang, Tu-Cheng, TW;
Chien-long Hong, Tu-Cheng, TW;
Wun-chang Shih, Tu-Cheng, TW;
Hsien-sheng Pei, Tu-Cheng, TW;
Ching-Hsing Huang, Tu-Cheng, TW;
Chien-Long Hong, Tu-Cheng, TW;
Wun-Chang Shih, Tu-Cheng, TW;
Hsien-Sheng Pei, Tu-Cheng, TW;
Abstract
A fan motor includes an integral bearing member (') defining therein an axial inner bearing hole (′) and forming a ventilating path (′) in a wall portion thereof to communicate a bottom of the bearing hole with an exterior of the bearing member, a stator assembly () mounted to an outer periphery of the bearing member, and a rotor assembly () comprising a rotary shaft () extending into the bearing hole and a permanent magnet () confronting the stator assembly. Lubricating oil is filled between the rotary shaft and bearing member to establish dynamic pressure to separate the rotary shaft and the bearing member in radial direction when the rotary shaft rotates.