CONTROL METHOD OF VALVE OPENING AND CLOSING FOR AN ENGINE AND A VALVE CONTROL APPARATUS OF THE ENGINE

A control method of valve opening and closing for an engine of which an intake continuous variable valve duration (CVVD) apparatus and an intake continuous variable valve timing (CVVT) apparatus are provided on the intake side, and an exhaust continuous variable valve duration (CVVD) apparatus and a...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Hyeon Woo, KIM, Back Sik, JUNG, Jinyoung
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A control method of valve opening and closing for an engine of which an intake continuous variable valve duration (CVVD) apparatus and an intake continuous variable valve timing (CVVT) apparatus are provided on the intake side, and an exhaust continuous variable valve duration (CVVD) apparatus and an exhaust continuous variable valve timing (CVVT) apparatus are provided on the exhaust side. The control method includes: determining, by a controller, a driving region among a predetermined plurality of driving regions according to a speed and a torque of the engine; and controlling, by the controller, opening timing, closing timing, and opening duration of each of an intake valve and an exhaust valve according to the driving region of the engine. The intake valve closing (IVC) timing is before a bottom dead center (BDC) in all driving regions.