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. 15, 2011

Filed:

Dec. 06, 2004
Applicants:

Wolf-dieter Pöhmerer, Colomiers, FR;

Volker Renz, Würzburg, DE;

Gerd Rösel, Regensburg, DE;

Milos Tichy, Regensburg, DE;

Inventors:

Wolf-Dieter Pöhmerer, Colomiers, FR;

Volker Renz, Würzburg, DE;

Gerd Rösel, Regensburg, DE;

Milos Tichy, Regensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a method for determining the actual oxygen load of a 3-path catalyst of a lambda-controlled internal combustion engine, whereby a value for the actual oxygen load is calculated from the signal of a pre-catalyst lambda probe and the measured air mass flow rate by integration over time, whereby the post-catalyst lambda probe is initialized when the signal is interrupted.


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