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. 06, 2026
Filed:
May. 09, 2022
Applicant:
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Inventor:
Jan Doering, Passau, DE;
Assignee:
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/024 (2016.01);
U.S. Cl.
CPC ...
H02P 29/024 (2013.01);
Abstract
A method for controlling an active short circuit in a permanent magnet excited electric machine, the method including checking if an activating of the active short circuit is requested, registering at least one further state parameter of the electric machine, determining, if the active short circuit is requested in the step of checking, if the at least one further state parameter has a critical value, and controlling the activating of the active short circuit as a function of the determining by sending a control signal to a device for short circuiting.