PROCEDE POUR L'ESTIMATION DU NIVEAU DE CHARGEMENT D'UN RESERVOIR EN AGENT REDUCTEUR

摘要

The method involves measuring and determining a maximum pressure attained by ammonia (12) after a heating phase of the ammonia by a pressure sensor arranged in a metering unit (32), and calculating a differential pressure that is equal to a difference between the measured maximum pressure and a set pressure. A level of loading of the ammonia in a reservoir (16) is estimated as a function of the calculated differential pressure, where the loading level is generally proportional to the calculated differential pressure.