| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for cooling a dual rotor motor inexpensively and efficiently. SOLUTION: In a dual rotor motor comprising an annular stator core, a stator consisting of a plurality of coil parts wound around the stator core, and a rotor supported by a rotary shaft and contained in a case while having an inside core and an outside core arranged annularly to face the inside and outside of the stator, a plurality of vents are provided, respectively, at positions corresponding to radial inside of the stator on the plane of the case intersecting the rotary shaft perpendicularly and the plane of the case parallel with the rotary shaft. COPYRIGHT: (C)2006,JPO&NCIPI
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