Klaus-Juergen Marquardt

Device for exhaust-gas purification, and an operating and monitoring for said device

Method and device for treating diesel exhaust gas

Process for the determination of the cumulative state of a selective catalytic reactor(SCR) for ammonia storage for the treatment and conversion of nitrogenous fumes(NOx)

Device and method for removing nitrogen oxides from the exhaust gas from lean-burn internal combustion engines

Diesel engine operation to suppress nitrogen oxides emission

Verfahren sowie Vorrichtung zur Behandlung von Dieselabgas A method and apparatus for treating diesel exhaust gas

A process for correction of the water influence on the signal of a sensor for detecting the concentration of reductant in the exhaust gas of an internal combustion engine

Method and apparatus for determining the state of a memory storing ammonia SCR catalyst

Verfahren zur Korrektur des Wassereinflusses auf das Signal eines Sensors zur Detektion der im Abgas eines Verbrennungsmotors befindlichen Reduktionsmittelkonzentration A process for correction of the water influence on the signal of a sensor for detecting the exhaust gas of an internal combustion engine located in the reducing agent concentration

Verfahren und Vorrichtung zur Bestimmung des Speicherzustands eines ammoniakspeichernden SCR-Katalysators Method and apparatus for determining the state of a memory storing ammonia SCR catalyst