发明授权
- 专利标题: Lubricating oil composition for outboard engines
- 专利标题(中): 舷外发动机润滑油组成
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申请号: US10191017申请日: 2002-07-08
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公开(公告)号: US06642188B1公开(公告)日: 2003-11-04
- 发明人: Rolfe J. Hartley , Salvatore Rea , Malcolm Waddoups
- 申请人: Rolfe J. Hartley , Salvatore Rea , Malcolm Waddoups
- 主分类号: C10M1410
- IPC分类号: C10M1410
摘要:
The lubricating compositions of the present invention are designed for use in a four stroke outboard marine engine and contain an oil of lubricating viscosity, an ashless dispersant, a metal detergent, a rust inhibitor, a relatively high amount of ZDDP, and an amount of a molybdenum compound sufficient to provide the composition with 15-1,000 ppm by mass of molybdenum. An amount of about 15 ppm to 1,000 ppm by mass of molybdenum from a molybdenum compound has been found to be effective as an antiwear agent in combination with the high levels of ZDDP.