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公开(公告)号:US20100212624A1
公开(公告)日:2010-08-26
申请号:US12773150
申请日:2010-05-04
申请人: Lewis D. Breon , Jayram D. Patel , Roy Sambuchino , Mark F. Wilkes , Simon J. Griffiths , David Price , Michael P. Gahagan
发明人: Lewis D. Breon , Jayram D. Patel , Roy Sambuchino , Mark F. Wilkes , Simon J. Griffiths , David Price , Michael P. Gahagan
IPC分类号: F01M1/02
CPC分类号: C10M149/02 , C10M143/00 , C10M145/14 , C10M161/00 , C10M169/044 , C10M2205/02 , C10M2205/04 , C10M2209/084 , C10M2217/02 , C10N2220/022 , C10N2230/02 , C10N2230/42 , C10N2230/68 , C10N2240/04 , C10N2240/104 , F01M9/02
摘要: This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear and wet-clutch a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b) a viscosity modifier with a number average molecular weight from 1000 to 75,000, wherein the lubricating composition has a SAE viscosity grade from XW-Y, wherein X is from 0 to 20 and Y is from 20 to 50; and wherein the lubricating composition has a phosphorus content from a metal hydrocarbyl dithiophosphate of 0.12 wt % or less.
摘要翻译: 本发明涉及一种润滑包括曲轴箱,齿轮和湿式离合器中的至少一个的内燃机的方法,所述方法包括向所述曲轴箱,齿轮和湿式离合器供应润滑组合物,所述润滑组合物包括:(a) 润滑油粘度; 和(b)数均分子量为1000〜75000的粘度调节剂,其中所述润滑组合物具有来自XW-Y的SAE粘度等级,其中X为0〜20,Y为20〜50; 并且其中所述润滑组合物具有0.12重量%以下的金属烃基二硫代磷酸盐的磷含量。