Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-04-05
2005-04-05
Nguyen, Tran (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S216055
Reexamination Certificate
active
06876118
ABSTRACT:
In an abduction-type motor having a divided core5(a-l) formed by dividing a stator core into plural blocks and a motor stator having such a structure as the divided core may be reassembled, the motor has a coil winding frame6continuously formed a continuous unit of coupling parts, a part of which is flexible and made of insulation material, embedded into the individual divided cores, and a coil7arranged and wound by supporting the divided core so that the teeth top parts of the divided core may be directed inside and located on a circle, in which its coil winding structure has the number of coil stages at the teeth top part (external peripheral part) of the divided core larger than the number of the coil stages at the internal peripheral part, and the diameter of the teeth top part of the divided core after assembly is identical to the diameter of the teeth top part while coil winding work, and the length of the crossover line7sbetween the coil windings is made enough to be equivalent to a single slot or more, not excessive or not insufficient.
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Abukawa Toshimi
Ando Takashi
Enomoto Yuji
Hatori Sachio
Kitamura Masashi
Crowell & Moring LLP
Hitachi , Ltd.
Japan Servo Co. Ltd.
Nguyen Tran
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