Method and device for reducing exhaust gas pollutants of an internal-combustion engine

Abstract

Abstract A method and devices for reducing exhaust gas pollutants of an internal-combustion engine operated with an air-fuel mixture are described. The method consists, on the one hand, of the air-fuel mixture supplied to the internal-combustion engine being weakened by the addition of additional air and, on the other hand, of the exhaust gas emitted by the internal-combustion engine being treated catalytically. The devices for carrying out the method comprise a device for supplying the additional air and a catalytic convertor which is designed either as an unregulated three-way catalytic convertor or as a pure oxidation catalytic convertor. <IMAGE>

Inventors

• 👤 Axel Jens Blume
• 👤 Fredi Alexander Pommer

Bibliographic Details