Cylinder sleeve

The invention relates to a cylinder sleeve. The bonding strength between a cylinder sleeve and a cylinder block is improved by suppressing a gap generated at a bonding portion between the outer peripheral surface of a cylinder sleeve base body and the cylinder block. A cylinder sleeve (10) for inser...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHOJI YASUTOMO, KAWAI KIYOYUKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a cylinder sleeve. The bonding strength between a cylinder sleeve and a cylinder block is improved by suppressing a gap generated at a bonding portion between the outer peripheral surface of a cylinder sleeve base body and the cylinder block. A cylinder sleeve (10) for insert casting has a base body (12) and a plurality of protrusions formed on a base surface (12S), which is the outer peripheral surface of the base body (12), and the resistance coefficient (CD) defined by the following mathematical formula (5) is 10-35%, wherein Sp is the cross-sectional area of the cylindrical protrusion region, S0 is the cross-sectional area of the cylindrical outer region without protrusions, S1 is the virtual flow path area, P1 is the dynamic pressure of the molten metal, rho is the density of molten metal, U is the flow rate of the molten metal in the cylindrical outer region measured by a visualization experiment, PD is the dynamic pressure, SA is the projected area of the protrusions, SB is the