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. 27, 2018
Filed:
Oct. 20, 2016
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 9/00 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01); F02D 41/00 (2006.01); F01N 3/023 (2006.01); F01N 11/00 (2006.01); F02D 41/18 (2006.01);
U.S. Cl.
CPC ...
F01N 9/002 (2013.01); F01N 3/023 (2013.01); F01N 11/007 (2013.01); F02D 41/0007 (2013.01); F02D 41/0055 (2013.01); F02D 41/029 (2013.01); F02D 41/1454 (2013.01); F01N 2430/06 (2013.01); F01N 2900/04 (2013.01); F01N 2900/08 (2013.01); F02D 41/18 (2013.01); F02D 2200/101 (2013.01); Y02T 10/144 (2013.01); Y02T 10/47 (2013.01);
Abstract
A method and apparatus for cleaning up a particulate filter of an internal combustion engine is provided. The internal combustion engine is operated to regenerate the particulate filter measuring. During the regeneration, a value of an engine speed is determined. A temperature of the particulate filter is controlled, if the measured value of the engine speed is smaller than or equal to a predetermined threshold value thereof. The particulate filter temperature is controlled by boosting the internal combustion engine and supplying the internal combustion engine with an amount of recirculated exhaust gases.