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滚珠轴承电动机

滚珠轴承电动机是一种十分特殊的电动机。这种电动机一般由两个滚珠轴承组成，滚珠轴承的内环与一根导电的长轴相连，外环接低压但高电流电源。这种电动机还有另外一种带有绝缘部分的构造。电动机的旋转方向由它的初始旋转方向决定。

这种电动机与一般的电机不同，它不需要磁场，而靠电流产生的热来使之旋转。^[1]

参考资料

^ Mike Harrison. The Ball-Bearing electric motor. [2006-10-08]. （原始内容存档于2006年10月8日）.

外部链接

The Ball-Bearing electric motor （页面存档备份，存于互联网档案馆）
motor torque calculation

查论编电动机

直流电动机	直流有刷电动机 · 切换式磁阻电动机 · 直流无刷电动机

交流电动机	同步电动机 · 感应电动机（单相 · 鼠笼式转子 · 绕线转子 · VS电动机） · 伺服电动机 · Unipolar · 磁阻电动机 · 永磁同步电动机

新型电动机	滚珠轴承电动机 · 压电电动机 · 超声波电动机 · 静电电动机 · 力矩电动机

特殊电动机	单极电动机 · 线性电动机 · 步进电动机

电机控制器	可调速驱动器 · Amplidyne（英语：Amplidyne） · 刹车斩波器 · 直接转矩控制 · 缓冲启动器 · 电子速度控制（英语：Electronic speed control） · Metadyne（英语：Metadyne） · 微场扩流发电机 · 变频器 · 矢量控制 · Ward Leonard控制（英语：Ward Leonard control） · 闸流体驱动器

参见	纳米电机 · 牵引电动机 · 电刷 · 发电机 · 交流发电机 · Barlow's Wheel · Repulsion motor · Lynch motor · Mendocino motor · Inchworm motor · Booster (electric power)

相关主题	电动机堵转测试 · 圆线图 · 闭回路控制 · 电磁学 · 开路测试 · 开回路控制器 · 功率重量比 · 直流电动机的转矩和转速 · 二相电系统

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