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:
Sep. 17, 2024
Filed:
Mar. 16, 2022
Applicant:
Vitesco Technologies Gmbh, Regensburg, DE;
Inventors:
Thomas Pichler, Hohenau, DE;
Thomas Koenig, Mintraching, DE;
Assignee:
Vitesco Technologies GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0818 (2013.01);
Abstract
A method and a device for diagnosing a ventilation line of a motor vehicle are provided. The ventilation line is arranged between a fuel tank and an activated carbon filter. The motor vehicle has a control unit (ECU) and is powered by an internal combustion engine. The state of a vacuum switch is evaluated for the diagnosis.