Novel ceramic armored internal combustion engine piston

The utility model discloses a novel ceramic armored internal combustion engine piston. The novel ceramic armored internal combustion engine piston comprises a metal piston body and an armored ceramic top plate arranged at the top end of the metal piston body. One to four grooves are distributed in t...

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Bibliographische Detailangaben
Hauptverfasser:	GU YONGCHENG, ZHANG PINGHUI
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 discloses a novel ceramic armored internal combustion engine piston. The novel ceramic armored internal combustion engine piston comprises a metal piston body and an armored ceramic top plate arranged at the top end of the metal piston body. One to four grooves are distributed in the inner surface of the ceramic top plate. The inner wall of each groove has an inclination angle ranging zero to five degrees, so that the cross section of each groove is of a wedge shape. According to the novel ceramic armored internal combustion engine piston, ablation of the metal piston body can be effectively prevented, the temperature of an internal combustion engine combustion chamber is increased conveniently, and thermal efficiency of an internal combustion engine is improved; the armored structure is simple, the ceramic is stably connected with metal, and reliability is improved.