| 摘要 |
PROBLEM TO BE SOLVED: To reduce noise generated when a motor having a stator core rotates. SOLUTION: The stator core 6 is a laminated body of multiple electromagnetic steel plates 7 provided with a core back part 72 and multiple teeth parts 71. The multiple electromagnetic steel plates 7 are connected by overlapping the half blanking parts 73 formed in the multiple electromagnetic steel plates 7. One teeth part 71 is provided with a first half blanking part long in the radius direction. Other teeth part is provided with a second circular half blanking part or a second half blanking part whose length or the like differs from the first half blanking part. COPYRIGHT: (C)2011,JPO&INPIT |
