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. 23, 2015
Filed:
Jul. 10, 2014
Applicant:
Deutz Aktiengesellschaft, Cologne, DE;
Inventors:
Meike Wittrock, Bergisch-Gladbach, DE;
Wolfgang Beberdick, Leverkusen, DE;
Assignee:
Deutz Aktiengesellschaft, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); F01N 3/035 (2006.01); F01N 3/20 (2006.01); F01N 3/023 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
B01D 53/9454 (2013.01); F01N 3/206 (2013.01); F01N 3/2066 (2013.01); F01N 3/023 (2013.01); F01N 3/0231 (2013.01); F01N 3/035 (2013.01); F01N 2610/02 (2013.01); F01N 2900/1616 (2013.01); F01N 13/0093 (2014.06);
Abstract
An exhaust gas aftertreatment system, in particular for V-type diesel engines, is provided. The system includes, disposed in the exhaust line of the engine in the direction of the exhaust gas flow, a first SCR stage, a catalytically activated particulate filter (cDPF), a second SCR stage, and an ammonia slip catalyst (ASC). A method for purifying diesel engine exhaust gases containing hydrocarbons, carbon monoxide, soot particles, and nitrogen oxides consisting of NO and NOis also provided.