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. 26, 2006
Filed:
Feb. 07, 2004
Oliver Abet, Althuette, DE;
Gernot Hertweck, Fellbach, DE;
Thomas Muehleisen, Hattenhofen, DE;
Marco Stotz, Leinfelden-Echterdin-gen, DE;
Oliver Abet, Althuette, DE;
Gernot Hertweck, Fellbach, DE;
Thomas Muehleisen, Hattenhofen, DE;
Marco Stotz, Leinfelden-Echterdin-gen, DE;
DaimlerChrysler AG, Stuttgart, DE;
Abstract
In a method for operating an internal combustion engine with exhaust gas purification system, a rich-burn mode of the internal combustion engine with a rich exhaust gas composition or a lean-burn mode of the internal combustion engine with a lean exhaust gas composition is set alternately, and the quantity of fuel which is introduced during a combustion cycle of the internal combustion engine is introduced by at least one preinjection, at least one main injection and at least one afterinjection.