ENGINE CONTROL DEVICE FOR HYBRID VEHICLE

PROBLEM TO BE SOLVED: To ensure that a cylinder cutoff state is smoothly shifted to an all- cylinder operating state by employing cylinder cutoff technology for incorporation of driver's intention. SOLUTION: The invention relates to an engine control device for a hybrid vehicle that is provided...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMOTO YASUO, MATSUBARA ATSUSHI, HISHIRO SHIGEO, FUKUCHI HIRONAO, NAKAUNE HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To ensure that a cylinder cutoff state is smoothly shifted to an all- cylinder operating state by employing cylinder cutoff technology for incorporation of driver's intention. SOLUTION: The invention relates to an engine control device for a hybrid vehicle that is provided with both an engine and a motor as driving sources and performs regeneration using the motor by bringing at least part of the cylinders to a cutoff state during deceleration of the vehicle. The engine control device is provided with a cylinder cutoff recovery determination means (step S174) that recovers the engine from the cylinder cutoff state when an engine speed decreases to a level equivalent to a cylinder cutoff continuation execution lower limit that serves as a reference for cylinder cutoff and a brake switch for detecting a brake when in an operated state. The cylinder cutoff recovery determination means is provided with a cylinder cutoff determination alteration means (step S182) that changes the cylinder cutoff continuation execution lower limit engine speed in accordance with whether or not the brake is operated as detected by the brake switch.