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:
Aug. 13, 2013
Filed:
May. 09, 2009
Josef Schmidt, Graben-Neudorf, DE;
Matthias Hauck, Schwetzingen, DE;
Marek Lewandowski, Karlsruhe, DE;
Josef Schmidt, Graben-Neudorf, DE;
Matthias Hauck, Schwetzingen, DE;
Marek Lewandowski, Karlsruhe, DE;
Sew-Eurodrive GmbH & Co. KG, Bruchsal, DE;
Abstract
In a separately excited electrical synchronous machine, and a method for operating a synchronous machine, coil windings, in particular in the form of excitation coils, are disposed on the rotor, the electrical supply of the coil windings being achieved with the aid of an inductive rotation transmitter, whose secondary winding is connected to the rotor and whose primary winding, which is inductively coupled to the secondary winding, is stationary, especially connected to the stator of the synchronous machine.