Process for controlling the warm-up in an internal combustion engine

US5816219A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Helmut Denz · Stuttgart, DE
• Martin Klenk · Munich, DE
• Werner Herden · Gerlingen, DE
• Hubert Bischof · Lambach, DE
• Albert Gerhard · Tamm, DE
• Matthias Kuesell · Kornwestheim, DE

Key dates

• Filing date: Oct 1, 1996
• Grant date: Oct 6, 1998
• Expiry date: Oct 1, 2016

Classification

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

Abstract

Process for controlling the warm-up in an internal combustion engine wherein the combustion chamber pressure is obtained and evaluated, so that, using the evaluation of the combustion chamber pressure signal, the combustion is controlled so that combustion is not completed at the time the exhaust valve opens during warm-up.