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. 25, 2025
Filed:
Jun. 22, 2023
Applicant:
Audi Ag, Ingolstadt, DE;
Inventor:
Daniel Ruppert, Lenting, DE;
Assignee:
AUDI AG, Ingolstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/024 (2016.01); B60L 3/00 (2019.01); B60L 53/22 (2019.01);
U.S. Cl.
CPC ...
H02P 29/025 (2013.01); B60L 3/003 (2013.01); B60L 3/0061 (2013.01); B60L 53/22 (2019.02); H02P 2207/05 (2013.01);
Abstract
An exciter circuit for an externally excited synchronous machine, wherein the exciter circuit comprises power supply terminals connectable to a current source, exciter current terminals connectable to a rotor winding of a rotor of the synchronous machine, and a protection circuit which, in operation, connects conductively the power supply terminals when a triggering condition is fulfilled.