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:
Apr. 09, 2019
Filed:
Oct. 16, 2015
Applicant:
Efficient Energy Gmbh, Feldkirchen, DE;
Inventors:
Holger Sedlak, Lochhofen/Sauerlach, DE;
Oliver Kniffler, Sauerlach, DE;
Assignee:
Efficient Energy GmbH, Feldkirchen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/12 (2006.01); H02K 1/27 (2006.01); H02K 1/30 (2006.01); H02K 3/28 (2006.01); H02K 11/00 (2016.01); H02K 15/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/278 (2013.01); H02K 1/30 (2013.01); H02K 3/28 (2013.01); H02K 11/0068 (2013.01); H02K 15/03 (2013.01);
Abstract
A rotor includes a rotor shaft with a mounting portion along a mounting region of the shaft; and a plurality of permanent magnets mounted in the mounting portion on the rotor shaft, wherein the rotor shaft includes, in the mounting portion, a region with a radius reduced with respect to a circular cross-section, such that a radially measured thickness of a permanent magnet is greater in the region than in an adjacent region with non-reduced radius of the rotor shaft.