Patent · US Expired

Method for determining a combustion chamber pressure

US7295917B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Jens Damitz · Mühlacker, DE
Michael Kessler · Rutesheim, DE
Ulrich Sommers · Düsseldorf, DE

Key dates

Filing date	Oct 26, 2005
Grant date	Nov 13, 2007
Priority date	—
Expiry date	Feb 26, 2026

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02D2041/286
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for determining a combustion chamber pressure of an internal combustion engine is described, which is used for a simple and accurate correction of the determined combustion chamber pressure. For this purpose, a first time curve of the combustion chamber pressure is compared with a second time curve of the combustion chamber pressure. A correction factor is determined as a function of the comparison result. The determined combustion chamber pressure is corrected via the correction factor.

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