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.

Date of Patent:
Apr. 25, 2017

Filed:

May. 22, 2015
Applicant:

Audi Ag, Ingolstadt, DE;

Inventor:

Harald Hagen, Creussen, DE;

Assignee:

AUDI AG, Ingolstadt, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 33/08 (2006.01); F02M 33/04 (2006.01); F02M 33/02 (2006.01); B60K 15/035 (2006.01); F02M 37/00 (2006.01);
U.S. Cl.
CPC ...
F02M 33/08 (2013.01); B60K 15/03504 (2013.01); F02M 33/02 (2013.01); F02M 33/04 (2013.01); F02M 37/0082 (2013.01); B60K 2015/03509 (2013.01); B60K 2015/03514 (2013.01);
Abstract

A method for suctioning liquid fuel from a liquid trap in a fuel tank of a motor vehicle, includes generating a negative pressure in a gas compartment or headspace of the fuel tank, applying the negative pressure to the liquid trap through a suction line, wherein the liquid trap has a collection container collecting liquid fuel during venting of the fuel tank, and at least partially suctioning the liquid fuel located in the collection container through the suction line into the gas compartment or headspace.


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