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:
Sep. 20, 2005
Filed:
Apr. 15, 2003
Applicants:
Harald Rapp, Eschbronn, DE;
Oswald Kuwert, Tutschfelden, DE;
Jurgen Oelsch, Hohenroth, DE;
Inventors:
Assignee:
Minebea Co., Ltd., Nagano, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K005/16 ;
U.S. Cl.
CPC ...
Abstract
A rotor assembly for an electric motor having a rotor shaft and at least one permanent magnet arranged on the rotor shaft. The rotor shaft with the permanent magnet is accommodated in a sleeve the rotor shaft being freely rotatable within the sleeve. The sleeve is closed off by a flange at a first end face. An inner-rotor electric motor having a stator and a rotor assembly of the type described above, with the stator being inserted over the sleeve of the rotor assembly.