METHOD AND DEVICE FOR AFTER-TREATMENT OF EXHAUST GAS

A method and a device for use in the aftertreatment of exhaust gas of an internal combustion engine, in particular of a diesel engine, are described, having a device for providing oxidizing agents and an exhaust-gas aftertreatment unit, a temperature sensor (40) being provided to measure the tempera...

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Bibliographische Detailangaben
Hauptverfasser:	BREUER, NORBERT, PFENDTNER, REINHARD, FISCHER, STEFAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method and a device for use in the aftertreatment of exhaust gas of an internal combustion engine, in particular of a diesel engine, are described, having a device for providing oxidizing agents and an exhaust-gas aftertreatment unit, a temperature sensor (40) being provided to measure the temperature of the exhaust gas before it enters the exhaust-gas aftertreatment unit (10) and the device (20) for providing oxidizing agents being set up to vary the chemical composition of the oxidizing agents as a function of the temperature. This method of exhaust-gas aftertreatment ensures energy-efficient preparation of the exhaust gas.