EXHAUST GAS RECIRCULATION CONTROL METHOD AND EXHAUST GAS RECIRCULATION CONTROL DEVICE

An exhaust gas recirculation control method of an internal combustion engine, the internal combustion engine including: a turbo supercharger; an exhaust gas recirculation passage communicating an exhaust passage with an intake passage at a part upstream of a compressor of the turbo supercharger; an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOBARA, Tetsuya, TERAYAMA, Kazuhiro, HAMAMOTO, Takayuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust gas recirculation control method of an internal combustion engine, the internal combustion engine including: a turbo supercharger; an exhaust gas recirculation passage communicating an exhaust passage with an intake passage at a part upstream of a compressor of the turbo supercharger; an exhaust gas recirculating amount control valve disposed in the exhaust gas recirculation passage; a differential pressure generating valve disposed upstream of a merging portion of fresh air gas and exhaust gas in the intake passage; and a controller adapted to control an opening of the exhaust gas recirculation amount control valve and an opening of the differential pressure generating valve, wherein in the method, the controller cooperatively controls the opening of the exhaust gas recirculation amount control valve and the opening of the differential pressure generating valve to make an exhaust gas recirculation ratio change to a target exhaust gas recirculation ratio at a change rate that prevents abnormal combustion of the internal combustion engine.