PISTON PIN BEARING LUBRICATING STRUCTURE OF INTERNAL COMBUSTION ENGINE

PURPOSE:To obtain a piston pin, the weight of which is reduced by supplying oil in a cooling oil chamber from an oil feed hole to a piston pin bearing part as lubricating oil. CONSTITUTION:A cooling chamber 2, a piston 1 having a piston pin bearing part 3, and a connecting rod 5 having a first oil f...

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Bibliographische Detailangaben
Hauptverfasser:	KUNIMITSU MOTOMU, OKI TADAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CRANKCASE VENTILATING 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 LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PISTONS SEALINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a piston pin, the weight of which is reduced by supplying oil in a cooling oil chamber from an oil feed hole to a piston pin bearing part as lubricating oil. CONSTITUTION:A cooling chamber 2, a piston 1 having a piston pin bearing part 3, and a connecting rod 5 having a first oil feed hole 4 are connected to one another by a piston pin 6 supported on the piston pin bearing part 3, an oil groove 14, one end of which is connected to the first oil feed hole 4 of the connecting rod 5, and the other end of which is connected to a second oil feed hole 12 for jetting lubricating oil to the cooling chamber 2 side, is provided on the inner surface of a piston pin hole in the diametral direction of the piston pin 6, and the piston 1 is provided with a third oil feed hole 13 for communicating the cooling chamber 2 with the piston pin bearing part 3.