DIRECT INJECTION TYPE INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To provide a direct injection type internal combustion engine capable of reducing and improving exhaust emission by allowing a pilot injection at a timing earlier than in general. SOLUTION: This direct injection type internal combustion engine comprises a combustion chamber 16...

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Bibliographische Detailangaben
1. Verfasser:	CHO TATSU
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR 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 INTERNAL-COMBUSTION PISTON ENGINES 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:	PROBLEM TO BE SOLVED: To provide a direct injection type internal combustion engine capable of reducing and improving exhaust emission by allowing a pilot injection at a timing earlier than in general. SOLUTION: This direct injection type internal combustion engine comprises a combustion chamber 16 partitioned by a cylinder bore 11, a cylinder head lower surface 15 and a recessed part 17 formed on the top part 12a of a piston 12, and an injection nozzle 23 for injecting fuel 26 from a nozzle hole 25 to the combustion chamber 16. The distance L from the nozzle hole 25 to the recessed part inner wall 17a in the fuel injecting direction is set to the length H of the liquid phase part of the injected fuel 26 or more when the piston 12 is located in a top dead center.