Arrangement for analyzing a fluid flow of an injection valve (20), comprising a holding unit to arrange the injection valve (20) in a given position, an actuating unit being designed to provide an actuation signal to actuate the injection valve (20) to rel...

Noxious emissions present in the exhaust gases of an internal-combustion engine of a motor vehicle are controlled by making use of an IR spectrophotometer provided on board the motor vehicle, for the purpose of obtaining an analysis of all the main compone...