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. 11, 2022
Filed:
Mar. 05, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Joerg Kemmerling, Monschau, DE;
Christoph Boerensen, Aachen, DE;
Frank Wunderlich, Herzogenrath, DE;
Michael Forsting, Moenchengladbach, DE;
Helmut Matthias Kindl, Aachen, DE;
Hanno Friederichs, Aachen, DE;
Vanco Smiljanovski, Bedburg, DE;
Andreas Kuske, Geulle, NL;
Franz Arnd Sommerhoff, Aachen, DE;
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/023 (2006.01); F01N 3/029 (2006.01); F01N 3/30 (2006.01); F01N 3/025 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0233 (2013.01); F01N 3/0253 (2013.01); F01N 3/0296 (2013.01); F01N 3/306 (2013.01); F01N 3/0235 (2013.01);
Abstract
Methods and systems are provided for an aftertreatment system. In one example, a method comprises regenerating a NOtrap during an engine shut-down event. The method further comprises reversing a direction of flow of a gas through a HP-EGR passage during the regenerating.