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:
Jul. 02, 2013
Filed:
May. 06, 2010
Applicants:
Tae-in Jang, Gwangyang, KR;
Chang-woon Jee, Gwangyang, KR;
Yong-hun Kweon, Gwangyang, KR;
Gun-young Kim, Gwangyang, KR;
Inventors:
Tae-In Jang, Gwangyang, KR;
Chang-Woon Jee, Gwangyang, KR;
Yong-Hun Kweon, Gwangyang, KR;
Gun-Young Kim, Gwangyang, KR;
Assignee:
Posco, Pohang, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic bearing device includes a magnet generating a magnetic field at a protrusion formed toward a roll shaft, and a body portion supporting the magnet in one direction. The roll shaft is supported while an air gap is formed between the roll shaft and the protrusion, and both sides of the protrusion are rounded.