发明名称 |
LUBRICATING OIL COMPOSITION |
摘要 |
A lubricating oil composition which comprises a lubricating base oil and a sulfonate, phenate or salicylate of an alkaline earth metal and has a friction coefficient between metals of 0.12 or higher at -20 DEG C as measured in accordance with a block-on-disk test. The friction coefficient between metals in the use of a metal belt can be kept high within a wide range of temperature from low temperatures to high temperatures. In particular, the lubricating oil exhibits a high performance of mu =0.12 or higher at a low temperature of -20 DEG C in accordance with a block-on-disk test . |
申请公布号 |
EP1279721(A4) |
申请公布日期 |
2005.05.25 |
申请号 |
EP20010926050 |
申请日期 |
2001.04.27 |
申请人 |
IDEMITSU KOSAN CO., LTD. |
发明人 |
DESHIMARU, JUNICHI;TAKAKURA, YUTAKA |
分类号 |
C10M129/10;C10M129/54;C10M135/10;C10M141/00;C10M159/20;C10M159/22;C10M159/24;C10M163/00;C10M167/00 |
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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