Patent · US Expired

Method for operating an internal combustion engine, and internal combustion engine for carrying out said method

US8100099B2 · kind B2 · utility

1Cited by

7References

5Claims

0Family size

Assignee

AUDI AG · DE

Inventors

Ralf Budack · Ingolstadt, DE
Michael Kuhn · Knoxville, US
Markus Sonner · Bad Birnbach, DE
Stefan Dengler · Kornwestheim, DE

Key dates

Filing date	May 11, 2005
Grant date	Jan 24, 2012
Priority date	—
Expiry date	Nov 28, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

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 (3). The invention also relates to an internal combustion engine for carrying out said method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.