Method and device for operating a combustion engine

US8434456B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Wolfgang Fischer · Eppelheim, DE
• Silke Seuling · Kornwestheim, DE

Key dates

• Filing date: Oct 9, 2009
• Grant date: May 7, 2013
• Expiry date: Oct 5, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/40
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method for setting a combustion in a combustion engine, particularly in a diesel engine, having the following steps of generating a manipulated variable, particularly a point of injection (PI), as a function of a combustion feature (MFB50%), the combustion feature (MFB50%) representing a condition in cylinder, especially a pressure characteristic in the cylinder, and setting the combustion in cylinders of the combustion engine with the aid of the manipulated variable, the manipulated variable further being generated as a function of a correction value (CV), which is determined as a function of combustion information (dQmax) that provides an indication about the quality of the combustion.