OIL PASSAGE STRUCTURE IN INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To suppress reduction of oil supply amount to an oil passage inside a cam shaft. SOLUTION: Oil supplying passages 141, 151 are formed on bearing surfaces 14, 15 of a cylinder head 11 and a cam cap 12. An oil passage 163 is formed on a center axis of a cam shaft 16. The oil supp...

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Bibliographische Detailangaben
Hauptverfasser:	ONOMURA YOSHIHIRO, HASHIZUME HIDESHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES CRANKCASE VENTILATING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINE PLANTS IN GENERAL 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 STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To suppress reduction of oil supply amount to an oil passage inside a cam shaft. SOLUTION: Oil supplying passages 141, 151 are formed on bearing surfaces 14, 15 of a cylinder head 11 and a cam cap 12. An oil passage 163 is formed on a center axis of a cam shaft 16. The oil supplying passages 141, 151 are communicated with the oil passage 163 through an introduction passage 164 inside the cam shaft 16. An oil base passage 21 inside the cylinder head 11 is connected to a starting portion of the oil supplying passage 141 through a connection passage 22. The oil supplying passage 141 is formed at a position dislocated from a minimum width position 142 on the bearing surface 14.