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:
Feb. 13, 2001
Filed:
Apr. 09, 1999
Applicant:
Inventors:
Gerhard Lepperhoff, Stolberg, DE;
Hartmut Lüders, Aachen, DE;
Kirsten Hentschel, Aachen, DE;
Bernhard Lüers, Stolberg, DE;
Assignee:
FEV Motorentechnik GmbH, Aachen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 ;
U.S. Cl.
CPC ...
F01N 3/00 ;
Abstract
A method of reducing pollutants in an exhaust gas of an internal-combustion engine includes the following steps: producing, at a first location, a reactive gas component NO,from at least one part of the NO content of the exhaust gas by reaction with the oxygen, contained in the exhaust gas, under an energy effect; and reactively converting the NO,in a pollutant retaining system situated at a second location downstream of the first location as viewed in the flow direction.