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
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
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