Direct injected engine control strategy

US6913003B2 · kind B2 · utility

Assignee

• Orbital Engine Company (Australia) Pty Limited · AU

Inventors

• Rodney Houston · Bendigo, AU
• Geoffrey Paul Cathcart · El Questro Station, AU
• Koon Chul Yang · Bendigo, AU

Key dates

• Filing date: Oct 5, 2001
• Grant date: Jul 5, 2005
• Expiry date: Jan 1, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method of operating a direct injected combustion engine having an exhaust system with a conventional three-way catalytic converter, the method including operating the engine with a stoichiometric air/fuel ratio at least substantially across the entire engine operating load range, such that emissions of NOx from the engine are minimised.