Patent · US Expired

Internal combustion engine and method for controlling a supercharged internal combustion engine

US7597092B2 · kind B2 · utility

3Cited by

6References

16Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Gerhard Eser · Munich, DE
Hong Zhang · Tegernheim, DE

Key dates

Filing date	Mar 30, 2005
Grant date	Oct 6, 2009
Priority date	—
Expiry date	Oct 9, 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 n internal combustion engine and method for controlling a supercharged internal combustion engine, wherein a deviation of the actual lambda value from a calculated lambda value is detected. The value for the exhaust back pressure is corrected subject to the detected deviation for the event of a valve overlap, when the gas exchange valves of the burner head are simultaneously open. The corrected value for the exhaust back pressure is used to determine the air volume in the cylinder.

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