| 摘要 |
PROBLEM TO BE SOLVED: To provide an induction motor that makes a counter electromotive force to be increased by reducing the ineffective portion of a winding coil, and by effectively winding the winding coil to minimize the resistance loss of the winding coil. SOLUTION: The induction motor comprises a stator, equipped with a main winding coil wound around a stator core and a sub-winding coil wound into a volume smaller than that of the main winding coil, an induction rotor inserted rotatably into the stator, and a synchronous rotor, including a magnet and inserted rotatably into a space between the stator and the induction rotor. COPYRIGHT: (C)2007,JPO&INPIT
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