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    • 9. 发明专利
    • Motor
    • 发动机
    • JP2014007953A
    • 2014-01-16
    • JP2013130495
    • 2013-06-21
    • Lg Innotek Co Ltdエルジー イノテック カンパニー リミテッド
    • SHIM WOO SEOB
    • H02K5/10
    • H02K11/20H01R39/46H02K3/527H02K11/001H02K13/006H02K13/105
    • PROBLEM TO BE SOLVED: To provide a motor which prevents a short-circuit between a commutator and a rotor core by conductive particles generated from the commutator and a brush.SOLUTION: The motor includes: a stator which is arranged on the inner side of a housing and includes a magnet; a rotor including a rotor core which is arranged at the center of the stator and through which a rotation shaft passes, an insulator which covers the rotor core, and a coil which is wound on the insulator; a commutator which is coupled to the rotation shaft and electrically connected to the coil; and a brush which is coupled to the housing and closely contacted to the commutator. The insulator is formed with a short-circuit prevention unit formed on a drop path of conductive particles in order to prevent a short-circuit between the rotor core and the commutator from being generated when the conductive particles generated by the commutator and the brush drop.
    • 要解决的问题:提供一种电动机,其通过由换向器和电刷产生的导电颗粒来防止换向器和转子芯之间的短路。解决方案:电动机包括:定子,其布置在 外壳包括磁铁; 转子,其包括设置在定子的中心并且旋转轴通过的转子芯,覆盖转子芯的绝缘体和缠绕在绝缘体上的线圈; 换向器,其耦合到所述旋转轴并电连接到所述线圈; 以及联接到壳体并与换向器紧密接触的刷子。 绝缘子形成有形成在导电颗粒的下落路径上的防短路单元,以防止当换向器和电刷产生的导电颗粒掉落时转子芯和换向器之间的短路。