ENGINE DEVICE

It is an object to provide an engine device that can achieve a stable operation, at a time of switching an operation mode. An engine device 21 of the present invention includes: an intake manifold 67 configured to supply air into a cylinder 77; an exhaust manifold 44 configured to output exhaust gas...

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Bibliographische Detailangaben
Hauptverfasser:	Doi, Masayoshi, Murakami, Taishi, Hagiwara, Ryoichi, Ohsara, Tatsuro, Yamagishi, Osamu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	It is an object to provide an engine device that can achieve a stable operation, at a time of switching an operation mode. An engine device 21 of the present invention includes: an intake manifold 67 configured to supply air into a cylinder 77; an exhaust manifold 44 configured to output exhaust gas from the cylinder 77; a gas injector 98 which mixes a gaseous fuel with the air supplied from the intake manifold 67; and a main fuel injection valve 79 configured to inject a liquid fuel into the cylinder 77 for combustion. At a time of switching an operation mode from one to the other between a gas mode and a diesel mode, an instant switching to the diesel mode is executed when an engine rotation number is determined as to approach an upper limit value which leads to an emergency stop of the engine device.