INTERNAL COMBUSTION ENGINE AND METHOD OF CONTROLLING THE SAME

PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of calculating a mass flow rate of EGR gas accurately even when the internal combustion engine includes a reed valve (stop valve) on an EGR passage, and to provide a control method of the internal combustion engine.SOLUTION: An i...

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Hauptverfasser:	HANAMURA YOSHIFUMI, ASO MITSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of calculating a mass flow rate of EGR gas accurately even when the internal combustion engine includes a reed valve (stop valve) on an EGR passage, and to provide a control method of the internal combustion engine.SOLUTION: An internal combustion engine includes an EGR system 10 having an EGR valve 12 and a reed valve 13 on an EGR passage Eg, and includes a control device 20 which expresses a relation between an opening degree xof the EGR valve 12 and a mass flow rate mof EGR gas by using a first volume flow rate Vof the EGR gas expressed by using an equation of isentropic flow of a nozzle of the EGR valve 12 and a second volume flow rate Vof the EGR gas pumped out by the reed valve 13.