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:
Jun. 11, 2024
Filed:
Jun. 08, 2023
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Thomas Kölbl, Ruderting, DE;
Stephan Brandl, Salzweg, DE;
Heidi Bartlsperger, Hauzenberg, DE;
Nils Trümper, Passau, DE;
Christina Weber, Hinterschmiding, DE;
Sophia Schubert, Passau, DE;
Alois Biereder, Tiefenbach, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An axle drive for a motor vehicle, comprising an electric machine coupled by a rotor shaft to a transmission for the axle drive, wherein a torque can be transferred from the electric machine to an intermediate shaft with a first gear stage and from the intermediate shaft to another gear train, in particular a differential, with a second gear stage, wherein the rotor shaft or a shaft segment coupled to the rotor shaft is supported in a bearing element, wherein a fluid supply is designed to convey a liquid, in particular oil, into an intermediate space between the bearing element and a side shaft on the axle drive through a fluid channel, and from the intermediate space into the rotor chamber in the electric machine.