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:
Feb. 09, 2016

Filed:

Feb. 01, 2011
Applicants:

Sebastian Viehöver, Regensburg, DE;

Paul Rodatz, Landshut, DE;

Inventors:

Sebastian Viehöver, Regensburg, DE;

Paul Rodatz, Landshut, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/10 (2006.01); F02D 41/00 (2006.01); F01M 13/00 (2006.01); F02M 25/06 (2006.01); F01M 1/16 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/003 (2013.01); F01M 13/00 (2013.01); F02M 25/06 (2013.01); F01M 2001/165 (2013.01); F02D 41/1454 (2013.01); F02D 2200/023 (2013.01); F02D 2200/0406 (2013.01); F02D 2200/703 (2013.01); F02D 2250/11 (2013.01);
Abstract

A control unit and a method for checking the outgassing of fuel from the lubricant of an internal combustion engine are provided, wherein, in a first method step, the outgassing of fuel from the lubricant is estimated on the basis of at least one operating parameter using a theoretical model during the normal operation of the internal combustion engine, and wherein, after the estimation of defined outgassing of fuel on the basis of the model, the outgassing of fuel is estimated in a second method step on the basis of at least one further operating parameter during a defined operating state.


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