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. 07, 2020
Filed:
Apr. 03, 2017
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Fabian Schneider, Rot am See, DE;
Sebastian Schroth, Kupferzell, DE;
Marco Weckert, Dörzbach-Hohebach, DE;
Ralph Wystup, Künzelsau, DE;
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Abstract
The present disclosure relates to an electronic circuit for detecting the current winding temperature of phase windings and/or other characteristics of an electronically commutated electric motor, which is connected, or can be connected, to a frequency converter, comprising one or more capacitive two-terminal networks with a temperature-dependent impedance, each network being arranged parallel to two winding terminals (u, v, w) of the phase windings, as well as a detector for detecting the current responses in the motor feeds on the basis of steep-flanked voltage changes at the output of the frequency converter.