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. 28, 2022
Filed:
Mar. 16, 2017
Dr. Ing. H.c.f. Porsche Aktiengesellschaft, Stuttgart, DE;
Andreas Menke, Tiefenbronn Lehningen, DE;
Abstract
A tank system () for a motor vehicle having an internal combustion engine to which fuel is supplied from a tank (), wherein the tank () is assigned, in a ventilation path to the atmosphere (), a flushable filter device () for being loaded with hydrocarbon vapors of the fuel. The filter device () has multiple mutually separate activated carbon filters (). All of the activated carbon filters () are connected permanently in parallel. In this way, the ventilation resistance from the tank in the direction of the atmosphere can be kept low.
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