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. 28, 2025

Filed:

Apr. 03, 2023
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Julian Tobias Zauner, Kornwestheim, DE;

Michael Fey, Wiernsheim, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F02D 41/14 (2006.01); F02D 41/24 (2006.01); G01M 15/10 (2006.01);
U.S. Cl.
CPC ...
F01N 11/007 (2013.01); G01M 15/104 (2013.01); F01N 2430/06 (2013.01); F01N 2550/02 (2013.01); F01N 2560/02 (2013.01); F01N 2900/0416 (2013.01); F01N 2900/1624 (2013.01); F02D 41/1455 (2013.01); F02D 41/2454 (2013.01);
Abstract

Device and method for correcting an offset in a signal of a first sensor for determining a residual oxygen content in an exhaust gas. A first actual ratio of air and fuel being determined as a function of a first residual oxygen content, a second actual ratio of air and fuel being determined as a function of a second residual oxygen content, a first offset of a first actual ratio relative to a reference ratio being determined for the first actual ratio when the second actual ratio is greater than the reference ratio, a second offset of a first actual ratio relative to the reference ratio being determined for the first actual ratio when the second actual ratio is smaller than the reference ratio, and a deviation being detected between the first offset and the second offset.


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