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:
Nov. 09, 2010

Filed:

Jun. 02, 2005
Applicant:

Stefan Forthmann, Ludwigsburg, DE;

Inventor:

Stefan Forthmann, Ludwigsburg, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01); F01M 11/10 (2006.01); G01M 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for operating an internal combustion engine in which at least one secondary fuel injection is carried out, and a device for implementing the method. The level of the motor oil of the internal combustion engine is ascertained, which is compared to a first threshold value for the maximum possible oil level. If a threshold is exceeded, a warning signal is provided. Preferably an oil-dilution signal, which is a measure for the quantity and/or the volume of the oil dilution input into the motor oil of the internal combustion engine by the at least one secondary fuel injection, is taken into account when ascertaining the oil level.


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