Internal combustion engine having provisions for heating the fuel-air mixture by means of the exhaust

US4009701A · kind A · utility

Assignee

• Audi NSU Auto Union Aktiengesellschaft · DE

Inventors

• Max Ruf · Obereisesheim, DE
• Johannes Steinwart · Löwenstein, DE

Key dates

• Filing date: May 20, 1976
• Grant date: Mar 1, 1977
• Expiry date: May 20, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S60/901
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A device heats the fuel-air mixture by means of the exhaust in an internal combustion engine having an intake for the fuel-air mixture and an exhaust gas line, with a portion of the intake and a portion of the exhaust line having a common wall for heat transfer.