Internal combustion engine

An internal combustion engine includes a piston, a plurality of intake valves, an exhaust valve, a valve drive unit, an intake valve halting unit, an injector, and an ECU. The ECU configured to: (a) control the valve drive unit so as to close the exhaust valve on an advance side of the exhaust top-d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HOSHI KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	An internal combustion engine includes a piston, a plurality of intake valves, an exhaust valve, a valve drive unit, an intake valve halting unit, an injector, and an ECU. The ECU configured to: (a) control the valve drive unit so as to close the exhaust valve on an advance side of the exhaust top-dead-center of the piston, when an engine temperature is lower than a prescribed value; (b) control the intake valve halting unit so as to halt the operation of the portion of intake valves in a closed state, when the engine temperature is lower than the prescribed value; and (c) control the valve control unit so as to form a negative overlap between the exhaust valve and the intake valve other than the portion of intake valves, among the plurality of intake valves, when the engine temperature is lower. than the prescribed value.