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:
Jul. 11, 2006
Filed:
Jan. 12, 2001
Applicants:
Hermann Hahn, Hannover, DE;
Michael Lindlau, Braunschweig, DE;
Sören Hinze, Braunschweig, DE;
Inventors:
Assignee:
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a device and method for determining the need for regeneration in a NOstorage catalyst () arranged in the exhaust train () of an at least periodically lean-operating internal combustion engine () for a motor vehicle. According to the invention, the need for regeneration is determined according to the engine power (P) of the internal combustion engine () and the remaining NOstorage capacity of the NOstorage catalyst.