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. 10, 2023
Filed:
Dec. 19, 2018
Applicant:
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Inventors:
Jens Krotsch, Niederstetten, DE;
Sebastian Schroth, Kupferzell, DE;
Assignee:
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2016.01); H02K 11/26 (2016.01); H02K 11/02 (2016.01);
U.S. Cl.
CPC ...
H02K 11/26 (2016.01); H02K 11/02 (2013.01); H02K 2213/03 (2013.01);
Abstract
The invention relates to a device for reducing harmful bearing voltages in an electrical machine (M) fed by a DC link voltage of a DC link, said electrical machine comprising a stator (), which has windings () and is insulated from ground (GND), and a rotor () and a motor shaft, wherein furthermore a rotor-side bearing (LA) and a stator-side bearing (LA) are each insulated from the ground (GND) and the rotor () and the stator () are electrically connected to each other by means of a bypass capacitance (C) having a predefined capacitance.