STARTING CONTROL DEVICE FOR COMPRESSION SELF-IGNITION TYPE ENGINE

PROBLEM TO BE SOLVED: To stably, surely and quickly restart a compression self-ignition type engine by single compression starting even if there are some factors unfavorable to the ignition of fuel injected to the stop-time compression stroke cylinder, for example, the stop position of a piston of a...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMOTO JINJU, YAMAUCHI TATSUO, TAGA JUNICHI
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 STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDEDFOR STARTING OF COMBUSTION ENGINES 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:	PROBLEM TO BE SOLVED: To stably, surely and quickly restart a compression self-ignition type engine by single compression starting even if there are some factors unfavorable to the ignition of fuel injected to the stop-time compression stroke cylinder, for example, the stop position of a piston of a stop-time compression stroke cylinder is close to a top dead center and an engine cooling water temperature is relatively low when restarting the compression self-ignition type engine.SOLUTION: In the case of restarting an engine (YES in a step S21), when performing fuel injection to a stop-time compression stroke cylinder which is in a compression stroke when the engine is stopped to start the engine by single compression starting (YES in a step S22), pre-injection for pre-combustion is performed before the compression top dead center, and thereafter, main injection for main combustion is performed (step S23).