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. 22, 2003
Filed:
Nov. 30, 2001
Applicant:
Inventors:
Eberhard Schnaibel, Hemmingen, DE;
Andreas Koring, Ludwigsburg, DE;
Holger Bellmann, Ludwigsburg, DE;
Thomas Wahl, Pforzheim, DE;
Andreas Blumenstock, Ludwigsburg, DE;
Klaus Winkler, Rutesheim, DE;
Frank Stanglmeier, Möglingen, DE;
Bernd Schumann, Rutesheim, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 ;
U.S. Cl.
CPC ...
F01N 3/00 ;
Abstract
An internal combustion engine ( ), especially for a motor vehicle, is described, which has a three-way catalytic converter ( ) and a storage catalytic converter ( ) which can be loaded with and unloaded of nitrogen oxides. A diagnosis of the storage catalytic converter ( ) is carried out by a control apparatus ( ) below a temperature at which the three-way catalytic converter ( ) does not yet operate.