发明名称 |
Lubricating oil composition |
摘要 |
A lubricating oil composition exhibiting improved low temperature anti-wear performance and improved fuel economy and fuel economy retention properties, which comprises: (a) an oil of lubricating viscosity; (b) at least one calcium detergent; (c) at least one oil soluble molybdenum compound; (d) at least one nitrogen containing friction modifier; and (e) at least one zinc dihydrocarbyldithiophosphate compound, wherein the composition has a NOACK volatility of about 15.5 wt. % or less and contains from about 0.058 to 0.58 wt. % calcium from the calcium detergent, molybdenum in an amount up to about 350 ppm from a molybdenum compound, and phosphorus in an amount up to about 0.1 wt. % from a zinc dihydrocarbyldithiophosphate compound.
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申请公布号 |
US6300291(B1) |
申请公布日期 |
2001.10.09 |
申请号 |
US19990314510 |
申请日期 |
1999.05.19 |
申请人 |
INFINEUM USA L.P. |
发明人 |
HARTLEY ROLFE J.;WADDOUPS MALCOLM;BELL IAN A. W.;BIDWELL THOMAS R.;FARNSWORTH GORDON R.;MIYOSHI TAISUKE |
分类号 |
C10M129/10;C10M129/26;C10M129/54;C10M133/02;C10M133/04;C10M133/16;C10M135/10;C10M135/14;C10M135/18;C10M137/10;C10M139/00;C10M141/10;C10M159/22;C10M159/24;C10M163/00;C10M169/04;C10N10/04;C10N10/12;C10N20/00;C10N20/02;C10N30/06;C10N30/08;C10N40/25;(IPC1-7):C10M133/00;C10I139/00 |
主分类号 |
C10M129/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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