AIR/FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

PURPOSE: To increase exhaust gas characteristics in transient from lean side open loop control of air fuel ratio to air fuel ratio feedback control based on the output of an oxygen concentration sensor. CONSTITUTION: Over a specified period (TRICHFB) ranging from fuel cut of an internal combustion e...

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Bibliographische Detailangaben
Hauptverfasser:	KATO AKIRA, SAWAMURA KAZUTOMO
Format:	Patent
Sprache:	eng
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:	PURPOSE: To increase exhaust gas characteristics in transient from lean side open loop control of air fuel ratio to air fuel ratio feedback control based on the output of an oxygen concentration sensor. CONSTITUTION: Over a specified period (TRICHFB) ranging from fuel cut of an internal combustion engine 1 to release of the fuel cut, the air/fuel ratio of the mixture fed to the internal combustion engine is enriched (Steps S93 and S94).