ROTOR CORE, ROTOR, AND METHOD OF MANUFACTURING THE SAME
To provide a rotor core of a novel structure.SOLUTION: The rotor core includes an elastically deformable portion that has a magnet insertion portion and allows a distance between a radially inner surface and a radially outer surface of the magnet insertion portion to be reversibly changed. The elast...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a rotor core of a novel structure.SOLUTION: The rotor core includes an elastically deformable portion that has a magnet insertion portion and allows a distance between a radially inner surface and a radially outer surface of the magnet insertion portion to be reversibly changed. The elastically deformable portion allows a distance between the radially inner surface and the radially outer surface of the magnet insertion portion to be reversibly changed from a first distance smaller than a thickness of a permanent magnet to a second distance larger than the thickness of the permanent magnet.SELECTED DRAWING: Figure 1
【課題】 新規な構造のロータコアを提供する。【解決手段】ロータコアは、磁石挿入部を有しており、また、磁石挿入部の径方向内側の内側面と径方向外側の外側面との距離が可逆的に変化することを許容する弾性変形部を備えている。弾性変形部は、磁石挿入部の径方向内側の内側面と径方向外側の外側面との距離が、永久磁石の厚みより狭い第１距離から前記永久磁石の厚みより広い第２距離まで可逆的に変化することを許容する。【選択図】 図１ |
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