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.
Patent No.:
Date of Patent:
Feb. 14, 2023
Filed:
Apr. 16, 2020
Applicant:
Vitesco Technologies Gmbh, Hannover, DE;
Inventors:
Assignee:
VITESCO TECHNOLOGIES GMBH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F02D 41/02 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 11/007 (2013.01); F02D 41/0295 (2013.01); F01N 9/007 (2013.01); F01N 2560/025 (2013.01); F01N 2570/16 (2013.01); F01N 2900/0416 (2013.01); F01N 2900/1624 (2013.01); F02D 2200/0814 (2013.01);
Abstract
Various embodiments include a method of ascertaining the oxygen load of a catalytic converter disposed in an exhaust tract of an internal combustion engine with an exhaust gas sensor is disposed downstream of the catalytic converter comprising: generating a signal using the exhaust gas sensor indicating a proportion of nitrogen oxide and/or ammonia in the exhaust gas; and ascertaining the oxygen load of the catalytic converter at least partly on the basis of the signal from the exhaust gas sensor.