| 摘要 |
PURPOSE:To prevent the breakage of binds, by separating the bind for a rotor coil from the bind for an end duct. CONSTITUTION:An insulating material 5 for a coil and a bind 6 for the same, which are wound around the rotor coil 2 from the end 9 side of the same, are separated from the insulating material 8 for an end duct and the bind 7 for the same at the end of the end duct 4. The part of the rotor coil, which is within the range of the end duct 4, is provided with a structure wherein a step is provided between the rotor coil 2 and the end coil 4 to open a gap so that the insulating material 8 for the end duct and the bind 7 are not in contact with the rotor coil 2. As a result, a force will never be transmitted even when the end duct 4 and the rotor coil 2 are elongated by separate frequencies of vibration and centrifugal forces, therefore, both of the insulating materials 5, 8 and both of the binds 6, 7 will never be broken.
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