发明名称 |
MOLYBDENUM-FREE LOW VOLATILITY LUBRICATING OIL COMPOSITION |
摘要 |
A molybdenum-free lubricating oil composition exhibiting improved fuel econo my and fuel economy retention properties, which comprises: (a) a base stock oil compound of at least 50 wt.% mineral oil, the base stock oil having a viscosity of 4.0 - 5.5 mm2/s at 100 ~C, 95 wt.% or more saturates, 25 wt.% o r less napthenics, a NOACK volatility of 15.9 % or less, a kV of 4.0 - 5.5 mm2 /s at 100 ~C and a viscosity index of at least 120; (b) at least one calcium detergent and (c) at least one organic friction modifier, wherein the composition has a NOACK volatility of about 15 wt.% or less and contains fro m about 0.058 to 0.58 wt.% calcium from the calcium detergent.
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申请公布号 |
CA2379492(A1) |
申请公布日期 |
2001.01.25 |
申请号 |
CA20002379492 |
申请日期 |
2000.07.10 |
申请人 |
INFINEUM INTERNATIONAL LIMITED |
发明人 |
WADDOUPS, MALCOLM;HARTLEY, ROLFE JOHN;MIYOSHI, TAISUKE |
分类号 |
C10M101/02;C10M105/04;C10M107/02;C10M133/06;C10M133/08;C10M133/16;C10M137/10;C10M159/24;C10M169/04;C10N10/04;C10N20/00;C10N20/02;C10N30/06;C10N40/25;(IPC1-7):C10M169/04;C10M133/12;C10M159/22 |
主分类号 |
C10M101/02 |
代理机构 |
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地址 |
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