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. 20, 2010
Filed:
Dec. 07, 2007
Applicants:
Florian Oesterreicher, Munich, DE;
Hans Glonner, Pfaffenhofen, DE;
Torsten Franke, Munich, DE;
Inventors:
Assignee:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric drive system includes a multi-phase electric machine, multiple electrical power output stages, and devices for controlling and/or regulating the electric machine, which are connected to the electrical power output stages. At least two control units are provided for control and/or regulation, at least one power output stage group being assigned to each control unit.