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. 26, 2017
Filed:
Jan. 05, 2012
Agnes Eberhardt, Bonn, DE;
Ralf Kolberg, Bruhl, DE;
Stefan Lenz, Bergisch Gladbach, DE;
Jaroslav Maglovski, Lohmar, DE;
Agnes Eberhardt, Bonn, DE;
Ralf Kolberg, Bruhl, DE;
Stefan Lenz, Bergisch Gladbach, DE;
Jaroslav Maglovski, Lohmar, DE;
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Abstract
The invention relates to a filler neck () for an auxiliary liquid reservoir for a motor vehicle, in particular for a urea reservoir, having a neck housing (), which defines a mouth hole stub () for a filler nozzle () and a filling channel () leading into the reservoir, wherein a receiving structure for a filler nozzle () is provided within the neck housing (). At least one venting path, which is of enlarged cross section, at least in a section or sections, and of chamber-like or labyrinth-like design, is formed within the neck housing (), allowing a venting flow parallel and counter to the refilling volume to flow through the neck housing () during refilling.