EXHAUST GAS PURIFICATION DEVICE

An exhaust gas purifying apparatus includes an oxidative catalyst (18) and a filter (19) that are disposed in an exhaust gas path (5) of an engine (1); a fuel injecting device (13) that injects fuel according to a fuel injection pattern; and a control device (ECU50) that estimates a deposition amoun...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUDA, TOMOHIRO, AMARI, YUSUKE, JONOUCHI, KATSUNARI
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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust gas purifying apparatus includes an oxidative catalyst (18) and a filter (19) that are disposed in an exhaust gas path (5) of an engine (1); a fuel injecting device (13) that injects fuel according to a fuel injection pattern; and a control device (ECU50) that estimates a deposition amount of a particulate matter and sets the fuel injection pattern. When the fuel injection pattern including post-injection is set to recover the filter, the fuel injection pattern is set such that a post-injection amount is reduced as the deposition amount increases.