| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a repulsive magnetic bearing device capable of reliably exhibiting vibration damping effect by a ball balancer after passing through a dangerous speed. Ž<P>SOLUTION: When restoring force F generated when a rotary body 30 rotates to an outer ring member 20, is defined by expression (1), when changing a rotating speed ω of the rotary body 30 in the increasing direction, a linear factor k of the restoring force F is changed slightly. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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