Inner ventilated motor
A technology of electric motor and internal air, which is applied in the direction of electric components, electrical components, electromechanical devices, etc., to achieve the effect of short heat flow path, reduced external size and weight, and high protection performance
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[0011] Such as figure 1 As shown, the present invention includes a motor central shaft 7, a motor rotor 3, a stator 2, and a left end cover 3 and a right end cover 4 packaged on both ends of the rotor and stator. In this embodiment, the fan 6 is arranged at the outer end of the right end cover and is covered by a wind hood 5. The stator core yoke is provided with a through stator air guide hole 8 along the axial direction. Correspondingly, the left end cover 3 and the right end cover 4 are provided with a through end cover air guide hole opposite to the stator air guide hole along the axial direction. 9, 9', end cover air guide holes 9, 9'are annular air guide holes. Such as figure 2 As shown, the stator air guide hole 8 surrounds the stator core and is opened in a yoke of the same width as the stator core. The stator air guide hole 8 is provided with radial partitions 10 penetrating the axial direction. Radial tooth plates 11 are alternately arranged between. The stator ai...
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