Permanent magnet brushless DC motor
The invention relates to a permanent magnet brushless DC motor, which comprises a rotor and a stator surrounding the rotor, wherein the rotor comprises a rotary shaft (5), a rotor punching sheet group (4) sleeving the rotary shaft (5) and a magnetic steel (3) sleeving the rotor punching sheet group...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to a permanent magnet brushless DC motor, which comprises a rotor and a stator surrounding the rotor, wherein the rotor comprises a rotary shaft (5), a rotor punching sheet group (4) sleeving the rotary shaft (5) and a magnetic steel (3) sleeving the rotor punching sheet group (4), the magnetic steel (3) is an integral annular magnetic steel, and the rotor punching sheet group (4) adopts grooveless punching sheets; the stator comprises a stator iron core (2) surrounding the rotor and a base (1) located outside the stator iron core (2), the stator adopts an integrated winding structure form, and the ratio of the outer diameter of the stator to that of the rotor is larger than 2. The permanent magnet brushless DC motor has the advantages of simple assembly, high production efficiency, saved cost, stable performance, high reliability and wide flux weakening range. |
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