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:
May. 25, 2021
Filed:
Jan. 27, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F02D 9/04 (2006.01); F02M 26/21 (2016.01); F02M 35/10 (2006.01); F01N 3/021 (2006.01); F01N 5/02 (2006.01); F02M 26/26 (2016.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/021 (2013.01); F01N 3/2006 (2013.01); F01N 5/025 (2013.01); F02D 9/04 (2013.01); F02M 26/21 (2016.02); F02M 26/26 (2016.02); F02M 35/10222 (2013.01); F01N 2900/1602 (2013.01);
Abstract
Methods and systems are provided for cooling an aftertreatment device with exhaust gas. In one example, an exhaust system comprises a recirculation passage branching from an EGR passage from downstream of an EGR cooler to a portion of an exhaust passage between the EGR passage and an aftertreatment device. In one example, the aftertreatment device is an SCR device.