| 摘要 |
PROBLEM TO BE SOLVED: To prevent electromagnetic thrust from dropping by reducing the magnetic saturation of a yoke steel plate without increasing its thickness. SOLUTION: This linear motor is structured with a group of magnets 12, that are formed by lining up permanent magnets 10 each having a different magnetized direction along the traveling direction neighboring yoke steel plates 11, the group of magnets 12 being used as a fixed part or moving part. In this case, the number of the permanent magnets 10 which constitutes the group of magnets 12 used is an odd number.
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