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.

Date of Patent:
Jun. 20, 2017

Filed:

Jun. 20, 2011
Applicants:

Andreas Liljestrand, Södertälje, SE;

Per Bremberg, Södertälje, SE;

Inventors:

Andreas Liljestrand, Södertälje, SE;

Per Bremberg, Södertälje, SE;

Assignee:

SCANIA CV AB, , SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 11/00 (2006.01); F01N 3/20 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01); F02D 41/00 (2006.01); F02D 41/40 (2006.01); F02P 5/15 (2006.01);
U.S. Cl.
CPC ...
F01N 11/002 (2013.01); F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F02D 41/0235 (2013.01); F02D 41/1446 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01); F01N 2900/0408 (2013.01); F01N 2900/1811 (2013.01); F02D 41/008 (2013.01); F02D 41/0052 (2013.01); F02D 41/40 (2013.01); F02D 2041/0265 (2013.01); F02D 2200/0804 (2013.01); F02D 2250/26 (2013.01); F02P 5/1502 (2013.01); Y02T 10/24 (2013.01);
Abstract

A method pertaining to an SCR system for cleaning of exhaust gases from an engine (). A dosing unit () is in thermal contact with the engine's exhaust system and supplies a reducing agent to an exhaust duct () of the exhaust system. Determining (s) whether there is an undesired temperature level of the dosing unit (). If yes, limit (s) the temperature of the exhaust duct () by controlling operation of the engine. Also, a computer program product containing program code (P) for implementing the method. Also a device and a motor vehicle () which is equipped with the device are disclosed.


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