| 摘要 |
An electric motor is provided which includes a stator, in which field magnets are fixedly and radially installed on a circular panel-shaped base. A coaxial cylindrical rotor is coupled to a shaft and is configured to allow the stator to be located at an inside thereof, the rotor being configured such that magnets, having different polarities to form each pair, are attached on an outer cylinder and an inner cylinder of the rotor and are arranged opposite each other. A rotary magnet plate is coupled to the shaft on a top of the cover, and is provided with a number of magnets corresponding to a number of pairs of the rotor magnets. The respective pairs of rotor magnets are arranged on the outer and inner cylinders while being spaced apart from each other by a predetermined interval.
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