PISTON FOR INTERNAL COMBUSTION ENGINE

• Main Authors: OZAWA YUTA, IWATA KAZUYA
• Format: Patent
• Language: English; Japanese
• Published: 18.03.2021
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; COMBUSTION ENGINES; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; CYLINDERS; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ENGINE PLANTS IN GENERAL; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; PISTONS; SEALINGS; STEAM ENGINES; THERMAL INSULATION IN GENERAL; WEAPONS

To provide a piston for an internal combustion engine that can reduce weight while maintaining strength and improve cooling performance.SOLUTION: A cooling channel 6 has: a distance between a first point A and a third point C which is formed so as to be longer than a distance between the first point A and a sixth point F; and a part reaching a second point B via the third point C from the first point A which is provided on an inside of a U-shaped region surrounded by a first line segment AD, a third line segment DE and a second line segment BE.SELECTED DRAWING: Figure 6 【課題】 強度を維持しつつ軽量化および冷却性能の向上を図れる内燃機関のピストンを提供する。【解決手段】 クーリングチャンネル6において、第１の点Aと第３の点Cとの距離は、第１の点Aと第６の点Fとの距離よりも長く形成され、第１の点Aから第３の点Cを経由して第２の点Bに至る部分は、第１線分AD、第３線分DEおよび第２線分BEで囲まれるコ字状の領域の内側に設けられている。【選択図】 図６