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:
Feb. 04, 2014
Filed:
Feb. 21, 2008
Lennart Andersson, Varberg, SE;
Lucas Megas, Göteborg, SE;
Jonas Edvardsson, Mölndal, SE;
Carl-johan Karlsson, Göteborg, SE;
Anders Tuomivaara, Göteborg, SE;
Jonas Jansson, Göteborg, SE;
Lennart Andersson, Varberg, SE;
Lucas Megas, Göteborg, SE;
Jonas Edvardsson, Mölndal, SE;
Carl-Johan Karlsson, Göteborg, SE;
Anders Tuomivaara, Göteborg, SE;
Jonas Jansson, Göteborg, SE;
Volvo Lastvagnar AB, Göteborg, SE;
Abstract
An exhaust gas after treatment system includes a diesel particulate filter unit arranged downstream of a diesel engine, a NO2 reduction catalyst arranged downstream of said diesel particulate filter, a selective catalytic reduction (SCR) arrangement arranged downstream of said NO2 reduction catalyst, a first injector for feeding reducing agent into the exhaust gas arranged downstream said particulate filter and upstream said NO2 reduction catalyst, a second injector for feeding reducing agent into the exhaust gas arranged downstream said NO2 reduction catalyst and upstream said selective catalytic reduction (SCR) arrangement. An exhaust gas after treatment method is also provided.