Method of operating an internal combustion engine plant

US5979158A · kind A · utility

Assignee

• Daimlerchrysler AG · US

Inventors

• Thomas Kaiser · Köngen, DE
• Martin Matt · Weingarten, DE

Key dates

• Filing date: Feb 12, 1998
• Grant date: Nov 9, 1999
• Expiry date: Feb 12, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

In a method of operating an internal combustion engine particularly a motor vehicle internal combustion engine, wherein the engine is driven, during an engine start-up procedure, to a predetermined engine activation speed and fuel injection is activated, after the engine has reached the engine activation speed, only after a delay period at least one second after activation of the ignition system.