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:
Jan. 29, 2013

Filed:

Feb. 02, 2007
Applicants:

Olaf Graupner, Köfering, DE;

Gerd Rösel, Regensburg, DE;

Inventors:

Olaf Graupner, Köfering, DE;

Gerd Rösel, Regensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/10 (2006.01); G01N 27/417 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method for correcting the output signal of a broadband lambda probe of an internal combustion engine, the influence of the air humidity on the lambda value determined by the broadband lambda probe is detected and is deducted by means of a compensation model. For this purpose, a measured air humidity is incorporated in the calibration of the broadband lambda probe during an overrun shut-off phase of the internal combustion engine.


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