发明名称 |
Fluid bearing unit and spindle motor using the same |
摘要 |
The present invention provides a fluid bearing unit capable of achieving lower torque and lower current consumption in comparison with a conventional bearing unit, and a spindle motor using the same. The present invention employs an ester derived from 1,5-pentanediol having one alkyl side chain and saturated monovalent fatty acid having 5 to 8 carbon atoms as a base oil of a lubricant with which a gap between a shaft and a sleeve is filled.
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申请公布号 |
US2006008189(A1) |
申请公布日期 |
2006.01.12 |
申请号 |
US20040887855 |
申请日期 |
2004.07.12 |
申请人 |
MATSUSHITA ELEC. IND. CO. LTD. |
发明人 |
HIRATA KATSUSHI;SHIRAISHI TAKANORI |
分类号 |
F16C32/06;C10M169/04 |
主分类号 |
F16C32/06 |
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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