A reductant dosing control system, for use in a Selective Catalytic Reduction (SCR) system of a motor vehicle includes an input receiving a NOx feedback signal from an NOx sensor provided to the SCR system. A base dosing module calculates a required quantity of reductant to inject in front of a SCR catalyst...http://www.google.fr/patents/US7178328?utm_source=gb-gplus-shareBrevet US7178328 - System for controlling the urea supply to SCR catalysts
System for controlling the urea supply to SCR catalysts
