| 发明名称 |
OIL COMPOSITION FOR ROTARY COMPRESSOR |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an oil composition for a rotary compressor enhancing permanent shear stability and enhancing power-saving effect. <P>SOLUTION: This oil composition for a rotary compressor includes (A) a hydrocarbon-based lubricant base oil having a 40°C kinetic viscosity of 4 to 30 mm<SP>2</SP>/s and (B) a polymethacrylate-based viscosity index improver having a weight average molecular weight of 30,000 to 85,000, and has a kinetic viscosity at 40°C of 13 to 30 mm<SP>2</SP>/s. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
| 申请公布号 |
JP2011046902(A) |
申请公布日期 |
2011.03.10 |
| 申请号 |
JP20090199076 |
申请日期 |
2009.08.28 |
| 申请人 |
COSMO OIL LUBRICANTS CO LTD |
发明人 |
KANDA MAKOTO;HAYASHI KENJI;SAKATA SACHIKO |
| 分类号 |
C10M169/04;C10M101/02;C10M145/14;C10N20/02;C10N20/04;C10N30/00;C10N30/06;C10N40/30 |
主分类号 |
C10M169/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
