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. 17, 2025
Filed:
Jun. 30, 2022
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Andreas Holzlöhner, Langenargen, DE;
Vyacheslav Brushkivskyy, Kressbronn, DE;
Marcel Neurohr, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
Disclosed is a drive unit () comprising a housing (), an electric motor () disposed inside the housing, and at least one oil chamber () which is disposed in the housing (). The oil chamber () comprises an oil region () and an air region () and is closed off to the outside by a housing cover (). The housing cover () comprises at least one vent opening () for venting the oil chamber (), which is disposed at a distance from a radial outer region of the housing cover () and is fluidically connected to an element () for venting the oil chamber ().