Method for exhaust gas recirculation

A method for exhaust gas recirculation (EGR), in particular in internal combustion engines, in particular for reducing NOx emission, by actuating an EGR valve (2) and/or a throttle flap (3), characterized in that during a predetermined period of time after determining an NOx value of the values for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	FRIESEN ANDREAS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A method for exhaust gas recirculation (EGR), in particular in internal combustion engines, in particular for reducing NOx emission, by actuating an EGR valve (2) and/or a throttle flap (3), characterized in that during a predetermined period of time after determining an NOx value of the values for actuating the EGR valve (2) and/or the throttle flap (3) a mathematical model is employed, in which the currently determined NOx values, the period of time elapsed since completing the NOx measurement and the parameters relevant for the NOx reduction of the internal combustion engine (1) are included.