Internal combustion engine having an afterburning device

US4215538A · kind A · utility

Assignee

• Audi NSU Auto Union Aktiengesellschaft · DE

Inventors

• Johannes Steinwart · Löwenstein, DE
• Konrad Lummerzheim · Neckarsulm, DE
• Armin Bauder · Neckarsulm, DE
• Gottlieb Wilmers

Key dates

• Filing date: Jul 6, 1978
• Grant date: Aug 5, 1980
• Expiry date: Jul 6, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S60/901
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

An internal combustion engine has at least one outlet passage for exhausting the burned gases, terminating at the exterior surface of the engine, and, alternatively, connectable to the afterburning device or to a by-pass line by-passing the afterburning device. A control regulated as a function of temperature is provided to direct the burned gases through the by-pass line at high temperature and through the afterburning device at low temperature.