An exhaust-gas cleaning device for an engine and a method of setting fuel injection timing employed therein, the exhaust-gas cleaning device comprising a catalytic NOx converter (22) for converting NOx, a reductant adder (38) for increasing the quantity of...

The invention consists of a method and a device for controlling the regeneration of a NOx storage catalyst (1), which is arranged in the exhaust gas system (2) of an internal combustion engine (3) and can be operated in an absorption and a regeneration mod...

An internal combustion engine, wherein fuel vapor adsorbed in a canister (22) is purged into a surge tank (13) through a purge control valve (28). A target value of the fuel vapor rate showing the ratio of the amount of fuel vapor in the purge gas to the a...