Permanent magnet synchronous motor without stator iron core
A permanent magnet synchronous and motor technology, applied in synchronous machines, magnetic circuit rotating parts, electrical components, etc., can solve the problems of bad sine wave of air-gap flux density, increased motor torque pulsation, and inflexible control methods. Achieve the effect of light weight, elimination of torque ripple and low loss
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[0019] Such as figure 2 As shown, the stator coreless permanent magnet synchronous motor of the present invention consists of a rotor shaft 1, a left end cover 2, a left bearing 3, a housing 4, a sleeve 5, a left retaining ring 6, an outer rotor core 7, a motor magnetic steel 8, a hollow Cup stator 9 (including skeleton and fractional slot concentrated winding), inner rotor core 10, right retaining ring 11, right bearing 12, right end cover 13, magnetic isolation block 14, hollow cup stator 9 is fixed on the shell 4 through its base , the radial outer side is the motor magnet 8, the radial inner side is the inner rotor core 10, the motor magnet 8 is connected to the outer rotor core 7, the inner rotor core 10, the outer rotor core 7 and the motor magnet 8 are connected through the sleeve 5 On the rotor shaft 1, the left retaining ring 6 is located on the left end face of the outer rotor core 7 and the motor magnetic steel 8, and is connected with the sleeve 5, and its thickne...
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