Piston with cylindrical wall

The piston has a crown forming a piston bowl. The piston bowl has a center portion with a convex spherical shape, a floor having a convex frusto-conical shape adjacent the center portion, and a base having a concave toroidal shape surrounding the floor. The piston bowl also has a cylindrical wall ex...

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Bibliographische Detailangaben
Hauptverfasser:	GLADDEN JOHN R, KILKENNY JONATHAN, BATTA CHRISTOPHER
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The piston has a crown forming a piston bowl. The piston bowl has a center portion with a convex spherical shape, a floor having a convex frusto-conical shape adjacent the center portion, and a base having a concave toroidal shape surrounding the floor. The piston bowl also has a cylindrical wall extending tangentially from the base that surrounds the center portion. The piston has a top surface perpendicular to the cylindrical wall along a rim of the piston bowl. A ratio between the piston bowl depth and the cylindrical wall length is less than 4, and a ratio between the piston bowl diameter and the piston bowl depth is 4.7.