发明名称 |
MOTOR HAVING DYNAMIC PRESSURE BEARING AND DISK UNIT EQUIPPED THEREWITH |
摘要 |
PROBLEM TO BE SOLVED: To provide a motor having a radial bearing as a dynamic pressure bearing for the enhancement of rotational accuracy, and a disk unit equipped with the motor. SOLUTION: The motor includes a shaft rotated together with a predetermined load and dynamic pressure bearings that support the shaft through fluid in a noncontact manner. The dynamic pressure bearings are radial bearings provided around the shaft in three or more places along the direction of the length of the shaft. The disk unit is provided with this motor. COPYRIGHT: (C)2007,JPO&INPIT
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申请公布号 |
JP2007074839(A) |
申请公布日期 |
2007.03.22 |
申请号 |
JP20050260265 |
申请日期 |
2005.09.08 |
申请人 |
FUJITSU LTD |
发明人 |
NAGATA HIROSHI;YOSHIDA MITSUAKI;KOIZUMI YOSHIAKI;MINAMIZAWA RITSUKO |
分类号 |
H02K5/16;F16C17/02;G11B19/20;H02K21/22 |
主分类号 |
H02K5/16 |
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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