| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of lubricating a cylinder liner and a crankcase in a marine diesel crosshead engine with the same lubricant. SOLUTION: The method of lubricating the cylinder liner and the crankcase in the marine diesel crosshead engine with the same lubricating oil composition, in which the lubricating oil composition comprises at least 40% by mass of an oil having a viscosity suitable for lubrication, at least one detergent, at least one dispersant, and at least one anti-wear additive, and has a TBN, as measured using ASTM D 2896-98, of 10-55, preferably 20-45 mg KOH/g. COPYRIGHT: (C)2007,JPO&INPIT |
