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:
Sep. 04, 2018
Filed:
Jan. 31, 2015
Applicant:
Audi Ag, Ingolstadt, DE;
Inventors:
Assignee:
Audi AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F02D 41/02 (2006.01); F02D 13/02 (2006.01); F02D 41/00 (2006.01); F02D 41/30 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0295 (2013.01); F02D 13/0261 (2013.01); F02D 41/0007 (2013.01); F02D 41/30 (2013.01); F02D 2041/001 (2013.01); F02D 2200/0802 (2013.01); F02D 2200/0814 (2013.01); F02D 2200/0816 (2013.01); Y02T 10/144 (2013.01); Y02T 10/18 (2013.01);
Abstract
The invention relates to a method for operating an internal combustion engine comprising at least one turbocharger, at least one catalytic converter and a variable valve train, a valve overlap parameter being determined in at least one operating mode of the internal combustion engine and being used to set the valve train. According to the invention, the valve overlap parameter is adapted on the basis of at least one parameter for the condition of the catalytic converter and/or at least one parameter for the condition of the turbocharger, prior to being used to set the valve train. The invention also relates to an internal combustion engine.