Method of and device for monitoring combustion in a spark ignition internal combustion engine

US5046470A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Robert Entenmann · Memmingen, DE
• Karl-Heinz Kugler · Leinfelden, DE
• Siegfried Rhode · Oberriexingen, DE
• Ulrich Rothaar · Stuttgart, DE
• Bernhard Stengel · Tamm, DE
• Oskar Torno · Schwieberdingen, DE
• Stefan Unland · Schwieberdingen, DE
• Matthias Philipp · Stuttgart, DE

Key dates

• Filing date: Dec 4, 1989
• Grant date: Sep 10, 1991
• Expiry date: Dec 4, 2009

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02P2017/125
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method of and a device for monitoring combustion in a spark ignition internal combustion engine having a combustion chamber and a discharge system wherein a discharge voltage is monitored for determining whether combustion in the combustion chamber takes place.