A control system

A control system for a diesel particulate filter (DPF) 34 of a diesel engine 28 comprises a controller 38 that receives an input corresponding to fill state of the DPF and determines if a regeneration of the DPF is desirable based on at least one predetermined criterion. The control system is config...

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Bibliographische Detailangaben
Hauptverfasser:	Joanne Elizabeth Melville, David Robert Pegg
Format:	Patent
Sprache:	eng
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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Beschreibung
Zusammenfassung:	A control system for a diesel particulate filter (DPF) 34 of a diesel engine 28 comprises a controller 38 that receives an input corresponding to fill state of the DPF and determines if a regeneration of the DPF is desirable based on at least one predetermined criterion. The control system is configured to permit the inhibition of the regeneration until a predetermined event occurs and for up to a predetermined limit of inhibition occasions. The predetermined event may be an expiry of a predetermined amount of time or a vehicle shutdown. An off-highway vehicle 10 (e.g. a working machine such as an excavator) comprises an engine system including a DPF and the control system. A method of operating a DPF of an engine of an off-highway vehicle includes monitoring the level of particulates in the DPF, determining if a regeneration is desirable, and signalling to an operator using a visible and/or audible indicator 42 that regeneration is required.