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. 05, 2016
Filed:
Sep. 17, 2014
Daimler Ag, Stuttgart, DE;
Hjs Emission Technology Gmbh & Co. Ltd., Menden, DE;
Johnson Matthey Public Limited Company, London, GB;
Anders Andreasson, Frolunda, SE;
Guy Richard Chandler, Cambridge, GB;
Claus Friedrich Goersmann, Cambridge, GB;
James Patrick Warren, Cambridge, GB;
Georg Hüthwohl, Soest, DE;
Daimler AG, Stuttgart, DE;
HJS Emission Technology GmbH & Co. Ltd., Menden, DE;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A system for NOreduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO, particulate filter, a source of reductant such as NHand an SCR catalyst and methods for operating such a system are disclosed. Considerable improvements in NOconversion and soot reduction are observed even at relatively low operating temperatures.