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:
May. 31, 2011
Filed:
Mar. 15, 2007
Applicants:
Ingo Menz, Berlin, DE;
Peter Petereit, Berlin, DE;
Günther Siegl, Berlin, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
In case there is a malfunction of the magnetic bearing in an electrical machine, in which such magnetic bearings drive a rotary shaft in a stator (), a safety bearing (') is provided. According to the present invention, the safety bearing (′) exhibits an outer ring (′) that is mounted on the stator (), inside of which a revolving ring () is operated. The safety bearing according to the present invention is particularly suited for machines that have a particularly large and heavy shaft.