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:
Jun. 27, 2023
Filed:
Jun. 22, 2022
Applicant:
Volvo Truck Corporation, Gothenburg, SE;
Inventors:
Dan Stenqvist, Västra Frölunda, SE;
Martin Wilhelmsson, Gothenburg, SE;
Assignee:
VOLVO TRUCK CORPORATION, Gothenburg, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F01N 13/00 (2010.01); F02D 41/02 (2006.01); F02D 41/06 (2006.01);
U.S. Cl.
CPC ...
F01N 11/002 (2013.01); F01N 13/008 (2013.01); F02D 41/021 (2013.01); F02D 41/062 (2013.01); F01N 2560/02 (2013.01); F01N 2560/026 (2013.01); F01N 2560/20 (2013.01); F01N 2900/0416 (2013.01);
Abstract
A method for NOx emission control during start of a vehicle comprising an exhaust aftertreatment system, an engine, and a NOx sensor is provided. The method includes determining a temperature of the NOx sensor; if the determined temperature of the NOx sensor is below a predetermined threshold, initiating heating of the NOx sensor, and performing a preventive action for delaying engine start until a determined temperature of the NOx sensor exceeds or is equal to the predetermined threshold.