ENGINE PISTON

A piston (100) for an internal combustion engine includes a piston (100) body forming a crown portion (102) and a skirt portion (104). The skirt portion (104) includes a bore that is arranged to receive a pin for connecting the piston (100) to a connecting rod. The crown portion (102) forms a bowl (...

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Bibliographische Detailangaben
Hauptverfasser:	WEBER, JAMES C, COULIER, SCOTT P, ROWAN, MATTHEW I, KATARI, ASHUTOSH, LULLA, NIKHIL O, ZOZ, STEVEN C, SUBATCH, JAMES A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A piston (100) for an internal combustion engine includes a piston (100) body forming a crown portion (102) and a skirt portion (104). The skirt portion (104) includes a bore that is arranged to receive a pin for connecting the piston (100) to a connecting rod. The crown portion (102) forms a bowl (110) surrounded by a flat crown surface (112) having an annular shape. The bowl (110) and the flat crown surface (112) meet along a circular edge surrounding a rim (212) of the bowl (110). The piston (100) further includes an annular protrusion (216) disposed within the bowl (110) adjacent the rim (212). The annular protrusion (216) has a generally convex shape in cross section created by an upper, inwardly extending surface (220) and a lower, inwardly extending surface (220) that meet along a convex apex (306). The piston (100) further includes a recirculation surface (600) formed within the bowl (110) adjacent the annular protrusion (216). The recirculation surface (600) meets the lower, inwardly extending surface (220) along an inflection edge (604).