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:
Jan. 29, 2019
Filed:
Feb. 09, 2016
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventors:
Peter Köllensperger, Nürnberg, DE;
Ioannis Tsoumas, Zürich, CH;
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/10 (2006.01); H02P 21/05 (2006.01); H02P 21/12 (2016.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
H02P 21/05 (2013.01); H02P 21/12 (2013.01); H02P 27/08 (2013.01);
Abstract
In a method for reducing noise of a motor fed by a converter, a magnetic flux in the motor is changed for reducing a fundamental oscillation and a harmonic oscillation of the magnetic flux, and a degree of control and/or a pulse frequency of the converter is changed so as to change a harmonic oscillation of the magnetic flux.