Motor device

Details Motor device Motor device

2005-01-18

2005-01-18

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S049030, C310S099000, C310S114000

Reexamination Certificate

active

06844643

ABSTRACT:
A motor device including a pair of motor units and a driven member meshed with rotary gears of the pair of motor units to drive the driven member, the motor units each including a rotary magnet that is cylindrical and magnetized so as to have different magnetic poles in turn along the circumferential direction, a rotary gear having a plurality of teeth, the rotary gear rotating about the rotation axis of the rotary magnet together with the rotary magnet, and a stator member having a plurality of outer magnetic poles that are arranged on the outer periphery of the rotary magnet and an inner magnetic pole that is arranged on the inner periphery of the rotary magnet and is opposed to the outer magnetic poles, the plural outer magnetic poles and the inner magnetic pole being excited by a coil.

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