发明名称 |
Lubricating oil composition for internal combustion engines |
摘要 |
Lubricating oil composition for internal combustion engines having a high temperature shear viscosity of from 2.1 to less than 2.9 mPas wherein the lubricating base oil comprises 1) a zinc dialkyldithiophosphate, 2) a metallic detergent chosen from calcium alkylsalicylate and a mixture of calcium alkylsalicylate and magnesium alkylsalicylate and optionally 3) friction modifier.
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申请公布号 |
US6114288(A) |
申请公布日期 |
2000.09.05 |
申请号 |
US19990304020 |
申请日期 |
1999.05.03 |
申请人 |
SHELL RESEARCH LIMITED |
发明人 |
FUJITSU, TAKASHI;KUBO, KOICHI;NAGAKARI, MITSUHIRO |
分类号 |
C10M137/10;C10M163/00;C10N10/04;C10N20/02;C10N30/04;C10N30/06;C10N40/25;(IPC1-7):C10M129/76;C10M137/02 |
主分类号 |
C10M137/10 |
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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