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. 15, 2019
Filed:
Sep. 17, 2015
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Manuel Bauer, Tittling, DE;
Rudolf Neumüller, Buechlberg, DE;
Paul Lenz, Waldkirchen, DE;
Peter Haselberger, Mauth, DE;
Horst Sigl, Passau, DE;
Daniel Dudek, Salzweg, DE;
Matthias Kobler, Perlesreut, DE;
Daniela Wagner, Egglham, DE;
Rainer Hildebrand, Friedrichshafen, DE;
Stefan Brachmeier, Geisenhausen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An axle assembly for a drive device for the road wheels of a vehicle includes: a stationary housing having a housing interior at least partially filled with a lubricating liquid; axle housings connected to the stationary housing and configured to permit axles of the vehicle to pass towards the road wheels; a venting bore in one of the axle housings configured to allow pressurized air to escape from the stationary housing; and at least one rib sized and positioned in the housing interior of the stationary housing so as to prevent migration of the lubricating liquid out of the venting bore.