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:
Nov. 22, 2005
Filed:
Jan. 16, 2004
Applicant:
Vladimir Vladimirovich Popov, Königsfeld, DE;
Inventor:
Vladimir Vladimirovich Popov, Königsfeld, DE;
Assignee:
Minebea Co., Ltd., Nagano-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K001/17 ; H02K021/12 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a rotor assembly for an electrical machine, comprising: a rotor body of generally cylindrical shape having a substantially cylindrical surface configured for facing an air-gap between the rotor assembly and a stator of the electrical machine, and permanent magnets embedded in said rotor body, wherein grooves are formed in said air-gap facing surface for manipulating the distribution of magnetic flux created by said permanent magnets.