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:
Nov. 07, 2023
Filed:
Jun. 10, 2022
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Jason Martz, Canton, MI (US);
Paul Joseph Tennison, West Bloomfield, MI (US);
Eric Matthew Kurtz, Dearborn, MI (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B60W 20/16 (2016.01); F02D 41/00 (2006.01); F02D 41/02 (2006.01); F01N 3/32 (2006.01); B60W 10/06 (2006.01); B01D 53/94 (2006.01); B60W 10/08 (2006.01); F01N 3/029 (2006.01); F01N 3/18 (2006.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01D 53/9418 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 20/16 (2016.01); F01N 3/2013 (2013.01); F01N 3/323 (2013.01); F02D 41/0002 (2013.01); F02D 41/0235 (2013.01); F01N 3/0293 (2013.01); F01N 3/0885 (2013.01); F01N 2250/12 (2013.01); F01N 2570/18 (2013.01); F01N 2610/02 (2013.01); F01N 2610/146 (2013.01); F01N 2610/1453 (2013.01); F01N 2900/04 (2013.01); F01N 2900/10 (2013.01); F01N 2900/1402 (2013.01); F01N 2900/1406 (2013.01); F01N 2900/1602 (2013.01); F01N 2900/1616 (2013.01); F01N 2900/18 (2013.01);
Abstract
Methods and systems for improving NOx conversion efficiency of a selective catalytic reduction catalyst are described. In one example, an amount of NHstored in a SCR is adjusted after stopping an engine so that a desired amount of NHmay be stored within the SCR when the engine is restarted.