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:
Jan. 19, 2010
Filed:
Mar. 17, 2005
Applicants:
Klaus Maldener, Lauf, DE;
Andreas Wehrle, Durbach, DE;
Gerd Walter, Rohrwiller, FR;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 21/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The rotor () of an electrical machine (), having at least one permanent magnet (), which is embodied as a hollow cylinder () and which has axial contact faces () that cooperate with corresponding axial clamping faces () of at least one retaining element (), with which element the permanent magnet () is secured to the rotor (), in which at least one of the clamping faces () has a knurling () extending in the radial direction.