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:
Jan. 24, 2012
Filed:
May. 11, 2005
Ralf Budack, Ingolstadt, DE;
Michael Kuhn, Gaimersheim, DE;
Markus Sonner, Kosching, DE;
Stefan Dengler, Ingolstadt, DE;
Ralf Budack, Ingolstadt, DE;
Michael Kuhn, Gaimersheim, DE;
Markus Sonner, Kosching, DE;
Stefan Dengler, Ingolstadt, DE;
Audi, AG, Ingolstadt, DE;
Abstract
The invention relates to a method for operating an internal combustion engine comprising at least two cylinders respectively provided with admission valves and exhaust valves. According to the invention, in order to fill the cylinders with a larger amount of unburned gas during a gas exchange, the exhaust interval is reduced and the crossover phase of admission and exhaust intervals is extended, for at least one cylinder (). The invention also relates to an internal combustion engine for carrying out said method.