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:
Jun. 13, 1989
Filed:
Dec. 13, 1985
Applicant:
Inventors:
Takeshi Mizuno, Tokyo, JP;
Toshiro Higuchi, Tokyo, JP;
Assignee:
Seiko Seiki Kabushiki Kaisha, Chiba, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
310 905 ; 324207 ;
Abstract
A controlled type magnetic bearing device which has at least two radius direction magnetic bearings, characterized in that the radius direction magnetic bearing control device has either or both of a static unbalance compensator for suppressing a whirling caused by static unbalance and a dynamic unbalance compensator for suppressing a whirling caused by dynamic unbalance.