| 摘要 |
PURPOSE: To obtain a motor-driven blower which increases air cooling effect, in which an electrical winding resistance is reduced, in which a copper wire is wound easily on a magnetic-pole core, and whose operating efficiency is high by improving the shape of a yoke core constituting a stator. CONSTITUTION: This motor-driven blower is composed of a fan part 2 and a motor part 9, and the stator 6 of the motor part 9 is fixed to the inner side of a bracket 5, whose cross section is circular. The stator 6 is constituted of a pair of opposite magnetic pole cross 14 which comprise exciting windings A, and the stator is constituted of a pair of arcuate yoke cores 18, both ends of which are connected respectively to both ends of the magnetic pole cores 14.
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