An exhaust purification system of an internal combustion engine comprising an NO X holding material arranged in an engine exhaust passage, having a catalyst metal containing silver, holding NO X contained in the exhaust gas in the form of silver nitrate by...

A lean burn automotive exhaust system has a nitric oxide storage catalytic converter from which accumulated nitric oxide and sulphur oxides. The removal of sulphur is preceded by an increase in the catalytic temperature under lean burn conditions to that p...

A device for purifying the exhaust gas of a diesel engine comprises a filter for collecting particulates, which is arranged in the exhaust system of the engine; an oxidation catalyst arranged in the exhaust system upstream of the filter; diesel fuel supply...

The invention relates to a method for controlling an operating mode of an internal combustion engine of a motor vehicle during regeneration of a NOX storage catalyst arranged in an exhaust gas duct of the internal combustion engine, wherein by changing a r...