Internal-combustion engine piston

The utility model relates to an internal-combustion engine piston whose surface is provided with two axial grooves. An oil ring is installed in one groove. An air ring whose two or three slots are mutually staggered is arranged in the other groove. The air ring is in a labyrinth type sealing structu...

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Bibliographische Detailangaben
1. Verfasser:	ZHANG CHUNZENG
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to an internal-combustion engine piston whose surface is provided with two axial grooves. An oil ring is installed in one groove. An air ring whose two or three slots are mutually staggered is arranged in the other groove. The air ring is in a labyrinth type sealing structure. The utility model has the advantages of good sealing performance, engine oil consumption reducing and the service life of a piston and a cylinder increasing.