CATALYST DEGRADATION SUPPRESSION METHOD FOR INTERNAL COMBUSTION ENGINES

In a device for restraining the deterioration of a catalytic apparatus of an internal combustion engine of the present invention, when the temperature of the catalytic apparatus arranged in the engine exhaust system is higher than a predetermined temperature in a vehicle deceleration, a fuel-cut of...

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Hauptverfasser: OOSAWA, KOUICHI, ICHIMOTO, KAZUHIRO
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:In a device for restraining the deterioration of a catalytic apparatus of an internal combustion engine of the present invention, when the temperature of the catalytic apparatus arranged in the engine exhaust system is higher than a predetermined temperature in a vehicle deceleration, a fuel-cut of the engine is prohibited and a first motor-generator MG2 connected with the vehicle drive shaft 6 is operated as a generator to charge an electrical accumulator 8.