| 摘要 |
PROBLEM TO BE SOLVED: To obtain a laminated core formed by assembling a rotor laminated core with permanent magnets into a stator laminated core in which running torque does not pulse, stable high torque is obtained, and a rise in temperature is suppressed, and which can be reduced in weight. SOLUTION: In the laminated core, the rotor laminated core 3 formed by caulk-laminating rotor core pieces and comprising the permanent magnets arranged at intervals is installed in a rotor housing hole of the stator laminated core 2. Permanent magnet installation openings are formed at intervals in a region inside the external periphery; holes 9 are formed at latter half positions in rotative directions of salient poles 8, when the rotor laminated core 3 formed by caulk-laminating the rotor core pieces with gaps between the permanent magnet installation openings, as the salient poles 8 rotate in the rotor housing hole of the stator laminated core 2; and the permanent magnets 7 are fitted into the permanent magnet installation openings. COPYRIGHT: (C)2004,JPO
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