| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a magnetic bearing with a rotor which is controlled in the axial direction and in the radial direction not to be subjected to magnetic attractive force of a permanent magnet, when machined and assembled. <P>SOLUTION: A stator 1 has: at least a pair of annular portions 12a, 12b; a first magnetic pole 13a and a second magnetic pole 13b provided on the inner peripheries of the annular portions 12a, 12b, respectively; and the annular permanent magnet 3 located between the annular portions 12a, 12b. A radial exciting coil 14 and an axial exciting coil 15 are wound in the first magnetic pole 13a and the second magnetic pole 13b, respectively, which generate a radial exciting magnetic fluxϕr and an axial exciting magnetic fluxϕa. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
