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. 31, 2016
Filed:
Aug. 25, 2011
Applicants:
Navtej Singh, Lombard, IL (US);
Adam C. Lack, Willow Springs, IL (US);
Gregory Patrick Novak, Aurora, IL (US);
Inventors:
Navtej Singh, Lombard, IL (US);
Adam C. Lack, Willow Springs, IL (US);
Gregory Patrick Novak, Aurora, IL (US);
Assignee:
International Engine Intellectual Property Company, LLC., Lisle, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/021 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F01N 3/021 (2013.01); F01N 9/002 (2013.01); F01N 11/005 (2013.01); F01N 2900/04 (2013.01); F01N 2900/1606 (2013.01); F02D 2041/1417 (2013.01); F02D 2200/0812 (2013.01); Y02T 10/47 (2013.01);
Abstract
A diesel engine () has an exhaust system () containing a diesel particulate filter () for trapping soot passing through the exhaust system as the engine operates. A trapped soot estimator () estimates soot trapped in the diesel particular filter by repeatedly executing an algorithm that calculates a data value for total soot trapped using Kalman filter processing () whose gain is controlled by at least one engine operating parameter.