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:
Apr. 04, 2023
Filed:
Jul. 15, 2020
Applicant:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/36 (2006.01); F01N 3/20 (2006.01); F01N 3/30 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 3/30 (2013.01); F01N 3/36 (2013.01); F01N 2240/40 (2013.01); F01N 2250/04 (2013.01); F01N 2570/14 (2013.01); F01N 2610/02 (2013.01); F01N 2610/03 (2013.01);
Abstract
A method for exhaust gas aftertreatment is provided, the method comprising: a) providing a nitrogen oxide-containing raw exhaust gas, b) introducing the nitrogen oxide-containing raw exhaust gas into a catalytic evaporator (), c) introducing a urea solution and a fuel into the catalytic evaporator (), as a result of which a reducing agent is obtained, and d) supplying the reducing agent to an exhaust gas aftertreatment system (). Alternatively or in addition, a device for producing a reducing agent may be provided, a reducing agent produced with same, and the use of these objects.