EXHAUST PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

An exhaust purifying device for an internal combustion engine includes a filter disposed in an exhaust passage for capturing PM. The exhaust purifying device estimates an accumulation amount of the PM accumulated in the filter. The exhaust purifying device performs a regeneration process under the c...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	TSUZUKI, NAOYUKI, KOIE, MASANAO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	An exhaust purifying device for an internal combustion engine includes a filter disposed in an exhaust passage for capturing PM. The exhaust purifying device estimates an accumulation amount of the PM accumulated in the filter. The exhaust purifying device performs a regeneration process under the condition that the estimated accumulation amount is greater than or equal to a predetermined regeneration commencement value to regenerate a PM capturing capacity of the filter by varying an operation state of the internal combustion engine to burn and remove the PM, and terminating the regeneration process under the condition that the estimated accumulation amount is less than or equal to a predetermined regeneration termination value. The exhaust purifying device includes at least one of a regeneration process commencement retardation unit and a regeneration process termination retardation unit. The regeneration process commencement retardation unit retards a commencement timing of the regeneration process until an operation state of an accelerator changes. The regeneration process termination retardation unit retards a termination timing of the regeneration process until the operation state of the accelerator is varied.