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. 15, 2009
Filed:
Nov. 22, 2004
Thilo Hoffmann, Graz, AT;
Andreas Jöckel, Nürnberg, DE;
Thilo Hoffmann, Graz, AT;
Andreas Jöckel, Nürnberg, DE;
Siemens Aktiengesellschaft, München, DE;
Abstract
In order to be able to electric drives in very tight installation spaces, e.g. in propulsion vehicles or machine tools, an electric machine () is proposed having a stator and a rotor (), with the laminations () of the stator have axial slots () and teeth () extending between adjacent slots () in direction air gap. At least a predefined number of the teeth () is configured as a single-tooth winding (), and at least one section () is provided in circumferential direction of the stator and is designed without slots but follows the contour of the stator bore () in the area of the air gap.