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:
Dec. 23, 2014
Filed:
Dec. 22, 2010
Applicant:
Theophil Auckenthaler, St. Gallen, CH;
Inventor:
Theophil Auckenthaler, St. Gallen, CH;
Assignee:
Iveco Motorenforschung AG, Arbon, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F02D 41/14 (2006.01); F02D 41/00 (2006.01); F02D 41/24 (2006.01); F02M 25/07 (2006.01);
U.S. Cl.
CPC ...
F02D 41/146 (2013.01); F02D 41/005 (2013.01); F02D 41/1461 (2013.01); F02D 41/1462 (2013.01); F02D 41/2451 (2013.01); F02M 25/0754 (2013.01); Y02T 10/47 (2013.01); F02D 41/1402 (2013.01); F02M 25/0701 (2013.01); F02M 25/0727 (2013.01);
Abstract
The present invention provides for a system for controlling NOx emissions based on the calculation of an error given by the difference between a first measured value obtained from a NOx sensor () and a second one estimated from a NOx estimation. Said sensor () can be used in an adaptation loop, where an open-loop or closed-loop EGR control system is adapted such that the expected NOx emissions (from the EGR controller) match the ones measured with the NOx sensor under steady-state conditions.