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:
Jul. 24, 2018
Filed:
Oct. 17, 2013
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventors:
Konrad Brandl, Thalmassing, DE;
Maximilian Pfaller, Nürnberg, DE;
Patryk Piotrowski, Nürnberg, DE;
Andre Trepper, Erlangen, DE;
Christian Deeg, Altdorf, DE;
Siegfried Fichtner, Allersberg, DE;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 17/16 (2006.01); H02K 15/02 (2006.01); H02K 15/00 (2006.01);
U.S. Cl.
CPC ...
H02K 17/165 (2013.01); H02K 15/0012 (2013.01);
Abstract
A cage rotor for an electrical machine includes a rotor laminated core having a groove, and a short-circuiting ring having a first material and cast onto an axial end of the rotor laminated core. Arranged in the groove is a bar which has a bar end. The bar end penetrates into the first material of the short-circuiting ring and has a plurality of notches to provide the bar end with a greater flexibility.