| 摘要 |
PROBLEM TO BE SOLVED: To obtain an electric motor and a rotary compressor of high efficiency, low vibration and low noise. SOLUTION: The electric motor 10 comprises a stator 1 where winding 1h is applied to a plurality of teeth 1c and which is made in cylindrical form and a columnar rotor 2 which is installed in the above stator 1, being supported by a rotating shaft 45, and is provided with a slit 2c parallel with the rotating shaft 45, in a position near the periphery. Herein, the resonance frequencyωof a peripheral iron core 2e, which connects with the center of the rotor through two places of thin parts 2d made between both ends of the slit 2c and the periphery of the rotor 2, being made on the side of the periphery of the above slit 2c, is set to a value higher than the carrier frequencyΩof a power source for drive of the motor 10. COPYRIGHT: (C)2005,JPO&NCIPI
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