PISTON OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To reduce oil consumption by preventing an oil in oil discharge holes from reversely flowing due to the spraying of oil in a piston of an internal combustion engine in which the oil discharge holes are formed in ring grooves. SOLUTION: This piston 10 comprises a cylindrical par...

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Bibliographic Details
Main Authors UCHIYAMA MINORU, NIIMI TAKUYA, ABE TOMOAKI
Format Patent
LanguageEnglish
Published 01.02.2007
Subjects
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
COMBUSTION ENGINES
CYLINDERS
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To reduce oil consumption by preventing an oil in oil discharge holes from reversely flowing due to the spraying of oil in a piston of an internal combustion engine in which the oil discharge holes are formed in ring grooves. SOLUTION: This piston 10 comprises a cylindrical part having a skirt part 22 extended downward along the outer periphery of a disk-like land part 21 and a side wall part 23. The oil discharge holes 28, 29 communicating with the lower surface side of the land part 21 on the outside of the cylindrical part (area to which the oil is not sprayed) are formed in the grooves of the support ring groove 12 and the oil ring groove 13 on the outer periphery of the land part 21. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050210403