BEARING STRUCTURE

A main bearing metal (41) has a main bearing metal planar portion (42), a main bearing metal oil groove portion (44) in which a main-bearing-metal-side oil groove (43) extending in a circumferential direction is formed along the entirety of an inner peripheral surface, a first oil hole (48), one end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HOSHIKAWA, Hiroaki, OOKUMA, Satoru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CRANKCASE VENTILATING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A main bearing metal (41) has a main bearing metal planar portion (42), a main bearing metal oil groove portion (44) in which a main-bearing-metal-side oil groove (43) extending in a circumferential direction is formed along the entirety of an inner peripheral surface, a first oil hole (48), one end thereof opening at the main-bearing-metal-side oil groove (43) and the other end thereof communicating with the lower end of an in-block oil passage (27) that extends from the oil gallery of a cylinder block to a crankshaft bearing part (12), and a second oil hole (49), one end thereof opening at the main-bearing-metal-side oil groove (43) and the other end thereof communicating with the upper end of an in-cap oil passage (28) that extends from the crankshaft bearing part (12) to a control shaft bearing part (17).