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:
May. 17, 2005
Filed:
Feb. 25, 2003
Frank Duvinage, Kirchheim, DE;
Christian Goerigk, Leutenbach, DE;
Thomas Liebscher, Fellbach, DE;
Dieter Mainka, LE.-Echterdingen, DE;
Siegfried Mueller-lunz, Schorndorf, DE;
Arno Nolte, Stuttgart, DE;
Markus Paule, Korb, DE;
Frank Duvinage, Kirchheim, DE;
Christian Goerigk, Leutenbach, DE;
Thomas Liebscher, Fellbach, DE;
Dieter Mainka, LE.-Echterdingen, DE;
Siegfried Mueller-Lunz, Schorndorf, DE;
Arno Nolte, Stuttgart, DE;
Markus Paule, Korb, DE;
DaimlerChrysler AG, Stuttgart, DE;
Abstract
An Exhaust-gas purification system for an internal combustion engine, which, as seen in the direction of flow of the exhaust gas, has a particle filter, apparatus for providing a reducing agent in the exhaust-gas flow, a catalytic converter for reducing nitrogen oxide which is present in the exhaust gas, and a downstream oxidation catalytic converter. An upstream oxidation catalytic converter is arranged upstream of the particle filter.