SPARK IGNITION INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To solve a new problem of occurrence of pre-ignition in engine starting in a high compression and spark ignition type internal combustion engine having a spark plug for spark-igniting a mixture in a combustion chamber and a geometrical compression ratio set to be equal to or la...

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Bibliographische Detailangaben
1. Verfasser:	IGUCHI TOYOKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL 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:	PROBLEM TO BE SOLVED: To solve a new problem of occurrence of pre-ignition in engine starting in a high compression and spark ignition type internal combustion engine having a spark plug for spark-igniting a mixture in a combustion chamber and a geometrical compression ratio set to be equal to or larger than 12. SOLUTION: The spark ignition type internal combustion engine is equipped with an electric water pump of an electric motor-driven type for circulating cooling water. In a second period ΔT2 after engine stop, the electric water pump is kept in an operation state and a second control valve is closed so that cooling water is circulated only to a cylinder head to prevent the pre-ignition in engine starting. COPYRIGHT: (C)2009,JPO&INPIT