Engine system and control apparatus and control method for engine system

An engine system includes a turbocharger (16), an exhaust gas control apparatus (81), a fuel addition device (82), a heating unit, and an ECU. The turbocharger includes a variable nozzle mechanism (34). The exhaust gas control apparatus is disposed on an exhaust downstream side of the exhaust turbin...

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Bibliographische Detailangaben
1. Verfasser:	Kuma, Hiroshi
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	An engine system includes a turbocharger (16), an exhaust gas control apparatus (81), a fuel addition device (82), a heating unit, and an ECU. The turbocharger includes a variable nozzle mechanism (34). The exhaust gas control apparatus is disposed on an exhaust downstream side of the exhaust turbine in an exhaust passage. The fuel addition device is configured to add a fuel to the exhaust gas of the engine to recover the function of the exhaust gas control apparatus on a further exhaust upstream side than the exhaust turbine. The heating unit is configured to heat the link chamber (52). The ECU is configured to execute heating control for controlling the initiation and the stopping of heating by the heating unit and execute the heating control in a period overlapping with at least part of a period when the addition of the fuel by the fuel addition device is executed.