| 摘要 |
PROBLEM TO BE SOLVED: To make improvement of characteristics and size reduction compatible, to share the same stamping die and the same manufacturing process for the required change of the number of poles and the change of a magnet flux, and to use the same magnet. SOLUTION: A permanent magnet rotor is characterized in that the number of magnet-insertion grooves 8 for inserting and holding magnets 6 is set at least double the number of poles.
|
