Brushless DC motor's multipolar magnetic ring of permanent magnetic ferrite
The utility model discloses a brushless DC motor's multipolar magnetic ring of permanent magnetic ferrite, the magnetic field direction that the magnetic ring produced is closed cyclic annular along the inner cylinder face formation of magnetic ring, and the coupling in pairs of the orientation...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a brushless DC motor's multipolar magnetic ring of permanent magnetic ferrite, the magnetic field direction that the magnetic ring produced is closed cyclic annular along the inner cylinder face formation of magnetic ring, and the coupling in pairs of the orientation of magnetic pole, the magnetic ring is made by anisotropic injection moulding bonding ferrite, in injection mold by the permanent magnet once the orientation become magnetism, the utility model discloses simple structure, operate steadily, the electric efficiency is high. |
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