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:
Jan. 14, 2025
Filed:
Jun. 27, 2022
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Jose Francisco Martinez Leyva, Mexico City, MX;
Andrew Bagnasco, Plymouth, MI (US);
Tyler DeWine, Ann Arbor, MI (US);
Hassene Jammoussi, Canton, MI (US);
Adam Krach, Canton, MI (US);
Gladys Galicia, Shelby Township, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 15/02 (2006.01); G01M 15/10 (2006.01);
U.S. Cl.
CPC ...
G01M 15/104 (2013.01);
Abstract
A method and system for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one example, the method determines an estimate of an exhaust gas oxygen sensor time constant according to a correlation between a rate of change of a Lambda value and a system time constant.