| 摘要 |
PURPOSE:To reduce leakage flux between a field magnet and a magnetic unit, by inserting ferromagnetic substance in a space between conductors in the same axial direction as that of the magnetic flux of the field magnet, and by forming axis-directional magnetic anisotropy on the conductors. CONSTITUTION:On the front and rear sides of a heat-conductive insulating plate 2 having a hollow section 2a on the center, flat coil sheets 3 for conductors extending radially in the diameter direction are arranged, and three phase AC flat coil 1 is obtained. Into a space between the front and rear sides of the three phase AC coil 1, epoxy resin 5 mixed with ferromagnetic substance is made to flow. Between the three phase coil 1 and the plane section 9a of a rear housing 9, a flat-plate-formed core 11 is arranged via a heat-conductive insulating plate 10. The three phase AC coil 1 is placed between a front housing 12 and the rear housing 9. A rotor 17 is rotated via a shaft 13 along with the rotation of a pulley 14.
|
