Exhaust gas purifying apparatus for internal combustion engine

The reduction rich operation is initiated when a count value CNOx that represents the volume of NOx absorbed by a NOx purifying device exceeds a permissible value CNOxREF. At this time, the air-fuel ratio for the first cylinder group is set richer than the theoretical air-fuel ratio, the air-fuel ra...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TAKANOHASHI, TOSHIKATSU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES 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 HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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