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:
Aug. 30, 2022
Filed:
Oct. 26, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Giovanni Cavataio, Dearborn, MI (US);
Michael Uhrich, Wixom, MI (US);
Jason Wu, Birmingham, MI (US);
Andrew Getsoian, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 11/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 11/007 (2013.01); F01N 3/2066 (2013.01); F01N 11/002 (2013.01); F01N 2370/04 (2013.01); F01N 2550/02 (2013.01); F01N 2560/021 (2013.01); F01N 2560/025 (2013.01); F01N 2560/026 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1624 (2013.01);
Abstract
Methods and systems are provided for operating an engine of a vehicle. In one example, a method may include positioning an oxygen sensor in an engine exhaust downstream from a selective catalytic reduction (SCR) catalyst, determining an oxygen storage capacity of the SCR catalyst based on a measurement of the oxygen sensor, and determining an extent of deactivation of the SCR catalyst based on the oxygen storage capacity.