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:
Feb. 04, 2020
Filed:
Sep. 12, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Nikodem Suchta, Rochester Hills, MI (US);
Jacqueline A. Lymburner, Carleton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/02 (2006.01); F01N 3/023 (2006.01); F01N 11/00 (2006.01); B60W 20/16 (2016.01); B01D 46/44 (2006.01); B01D 46/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/029 (2013.01); B60W 20/16 (2016.01); F01N 3/023 (2013.01); F01N 11/002 (2013.01); F01N 11/007 (2013.01); B01D 46/0063 (2013.01); B01D 46/446 (2013.01); B01D 46/448 (2013.01); B01D 2279/30 (2013.01); F01N 2550/04 (2013.01); F01N 2900/1606 (2013.01); Y10S 903/903 (2013.01);
Abstract
Methods and systems are provided for monitoring a change in exhaust particulate filter (PF) soot load during an engine non-combusting condition. In one example, a method may include, responsive to a higher than threshold PF temperature immediately prior to an engine shutdown, estimating a rate of soot burn when the engine is no longer combusting, and estimating a soot load on the PF during and at an onset of immediately subsequent engine start based in part on the rate of soot burn.