Procedure and device for determining the composition of a fuel mixture

US8032294B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Axel Loeffler · Backnang, DE
• Wolfgang Fischer · Eppelheim, DE
• Roland Karrelmeyer · Bietigheim-Bissingen, DE
• Gerald Graf · Schrobenhausen, DE
• Daniel Scherrer · Woodsfield, US

Key dates

• Filing date: May 7, 2009
• Grant date: Oct 4, 2011
• Expiry date: May 7, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/30
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The procedure and device of the present disclosure enable an accurate determination of the composition of the fuel mixture at a self-igniting combustion engine on the basis of present sensor signals. The procedure and device of the present disclosure furthermore enable the detection and compensation of a combustion that is unstable due to the composition of the fuel mixture.