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:
Dec. 29, 2009
Filed:
Mar. 21, 2007
Applicants:
Thomas Hoppe, Altdorf, DE;
Zeljko Jajtic, München, DE;
Gerhard Matscheko, Stamberg, DE;
Christian Volmert, München, DE;
Inventors:
Thomas Hoppe, Altdorf, DE;
Zeljko Jajtic, München, DE;
Gerhard Matscheko, Stamberg, DE;
Christian Volmert, München, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 41/00 (2006.01); H02K 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A secondary part of an electric machine has a toothed profile, with at least one tooth being unlaminated. The at least one tooth is made of at least two materials, wherein the at least one tooth forms a cavity which is filled with an iron-containing material representing one of the two materials.