| 摘要 |
PROBLEM TO BE SOLVED: To easily cope with different design requests such as the increase/ decrease in the number of poles, at the same time simplify a coil winding process, and reduce manufacturing costs by annularly arranging a plurality of single substances consisting of a columnar body and a conductive coil for composing a stator. SOLUTION: A stator assembly 90 is provided with three stator units 10, and the stator units 10 of the stator assembly are provided with a columnar body 19 and a coil 30. In this case, the columnar body 19 is made of a first end part 11, a second end part 12, and a middle stage part 13, its material is a magnet-field guiding material, and the coil 30 is wound via a coil sheet 31. Then, the stator units 10 of the stator assembly are arranged annularly so that they surround a rotor 91, thus forming a six-pole stator 90.
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