Sequentially joined-segment coil for rotary electrical machine

Details Sequentially joined-segment coil for rotary electrical machine Sequentially joined-segment coil for rotary electrical machine

2007-07-10

2007-07-10

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000, C310S201000, C310S184000, C310S206000, C310S207000

Reexamination Certificate

active

11237654

ABSTRACT:
A polyphase sequentially joined-segment coil of a rotary electric machine and a production method thereof are provided. The coil is made up of a plurality of conductor segments joined in series. Each of the conductor segments a head projecting from a stator core, a pair of legs, and a pair of ends projecting from the stator core. The heads are of two types: a large-sized head and a small-sized head extending inside the large-sized head. This structure permits the length of the conductor segments in an axial direction of the core to be decreased and improves cooling capability of the machine and coil losses.

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