Split type combined permanent magnet brushless motor for electric vehicle
A permanent magnet brushless motor, electric vehicle technology, used in electric vehicles, motors, synchronous motors with static armatures and rotating magnets, etc. Mechanical strength reduction and other issues, to ensure the power density and torque density, is conducive to high-speed cruising ability, improve the effect of weak magnetic ability
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[0030] see figure 1 , figure 2 and image 3, the present invention includes a stator 1, a rotor 2, a rotating shaft 8 and an end cover 7, the stator 1 and the end cover 7 are fixedly connected together, and the end cover 7 is fixedly installed on the base 9. The rotor 2 is coaxially located inside the stator 1, and the center of the rotor 2 has a slot for placing the rotating shaft 8, and the rotor 2 is driven to rotate by the rotating shaft 8. Both the stator 1 and the rotor 2 are formed by laminating silicon steel sheets with a thickness of 0.35 mm, and the lamination coefficient is 0.95. The rotating shaft 8 is composed of non-magnetic materials. There is an air gap between the inner wall of the stator 1 and the outer wall of the rotor 2, and the thickness of the air gap is related to the power level of the motor, the selected permanent magnet material, and the processing and assembly process of the stator 1 and rotor 2.
[0031] Each pole of the rotor 2 is fixedly inla...
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