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:
Dec. 03, 2024
Filed:
May. 26, 2021
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Matthias Wesa, Ravensburg, DE;
Andreas Jung, Schlier, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A drive unit for an electrically driven vehicle with an inverter module, an electric machine a stator which is controllable by the inverter module. The rotor of the electric machine rotationally drivingly communicates with at least one shaft of the drive unit, the shaft being rotatably supported in a respective associated housing by a bearing arrangement. The housing and the inverter module are grounded. Further, the drive unit has a grounded, low-impedance electrical connection between the shaft and the inverter module so that, when a potential difference occurs between the shaft and the inverter module, a short circuit is produced. Low-impedance potential equalizer is provided between the shaft and the associated housing. It is provided that the shaft is formed as a rotor shaft or as a transmission shaft, the bearing arrangement has two bearings spaced apart axially from one another, and the potential equalizer is formed axially between the two bearings.