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. 12, 2014
Filed:
Nov. 23, 2004
Applicants:
Thomas Schuster, Ottenbach, DE;
Harald Wolf, Ubstadt-Weiher, DE;
Inventors:
Thomas Schuster, Ottenbach, DE;
Harald Wolf, Ubstadt-Weiher, DE;
Assignee:
Sew-Eurodrive GmbH & Co. KG, Bruchsal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/122 (2006.01); H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
Abstract
A converter includes at least device(s) for sensing the currents fed to the electric motor powered by the converter, the device(s) for current detection being arranged inside the converter, and the signals of the device(s) being fed to a nonlinear filter, whose output signals are fed to an additional filter that is connected to an analog-to-digital converter.