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:
Nov. 03, 2026
Filed:
Nov. 22, 2022
Vitesco Technologies Gmbh, Regensburg, DE;
Benedikt Van Booven, Regensburg, DE;
Markus Feulner, Ensdorf, DE;
Rainer Weber, Regensburg, DE;
Moritz Märgner, Berlin, DE;
VITESCO TECHNOLOGIES GMBH, Regensburg, DE;
Abstract
Various embodiments of the teachings herein include a method for noise reduction during operation of an electric motor. The method may include: determining an instantaneous rotational frequency of the electric motor from a signal representing a rotational position and/or a rotational speed of the electric motor; filtering a frequency component from the signal, the frequency component corresponding to the instantaneous rotational frequency of the electric motor multiplied by a specified factor greater than 1 and lying within a specified acoustic frequency range; and generating a correction signal based on the filtered signal and feeding this correction signal into the control loop so an amplitude of the interference signal is reduced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile