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:
Oct. 08, 2002
Filed:
Sep. 26, 2000
Applicant:
Inventor:
Michael Oder, Illingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 3/702 ; F02D 4/140 ;
U.S. Cl.
CPC ...
F02D 3/702 ; F02D 4/140 ;
Abstract
A method is described for operating an internal combustion engine ( ) especially of a motor vehicle, wherein a lean air/fuel mixture is supplied to a combustion chamber ( ) in a first mode of operation and a stoichiometric or a rich air/fuel mixture is supplied to the combustion chamber in a second mode of operation. This supplied air/fuel mixture is then ignited in the combustion chamber ( ). The ignition time point or the ignition angle (ZW) for the ignition of the air/fuel mixture is shifted in the direction of retardation for a transition between the two modes of operation.