| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique capable of suppressing damage to a magnet in a rotor unit.SOLUTION: A rotor unit 32 comprises a plurality of rotating bodies including a first rotating body 41 and a second rotating body arranged along a central axis, and a cover 43 covering the peripheries of the plurality of rotating bodies. The first rotating body comprises an annular first rotor core enclosing the central axis, a first magnet arranged around the first rotor core, and a first holder having an annular first coupling part located in one end in an axial direction of the first rotor core and the first magnet. The second rotating body comprises an annular second rotor core enclosing the central axis, a second magnet arranged around the second rotor core, and a second holder having an annular second coupling part located in the other end in an axial direction of the second rotor core and the second magnet. The cover comprises a cylindrical part 431 covering the peripheries of the first magnet and the second magnet, a first annular part covering one end in an axial direction of the first coupling part, and a second annular part covering the other end in an axial direction of the second coupling part. |
