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:
Dec. 10, 2013
Filed:
Oct. 11, 2007
Søren Dahl, Hillerød, DK;
Keld Johansen, Frederikssund, DK;
Søren Pehrson, Vanløse, DK;
Gurli Mogensen, Lynge, DK;
Søren Dahl, Hillerød, DK;
Keld Johansen, Frederikssund, DK;
Søren Pehrson, Vanløse, DK;
Gurli Mogensen, Lynge, DK;
Haldor Topsoe A/S, Lyngby, DK;
Abstract
A method and apparatus for the removal of NOemission from a lean burn compression ignition engine, wherein NOcontaining engine exhaust gas is brought in contact with a catalyst being active in the reduction of NOto NO and comprising at least one platinum group metal with the proviso that the platinum metal is not platinum and at least one redox active metal oxide and thereby reducing NOcontained in the exhaust gas to NO by reaction with CO, hydrocarbons and/or soot being present in the exhaust gas.