Claw-pole dynamo with radially offset yoke arms

Details Claw-pole dynamo with radially offset yoke arms Claw-pole dynamo with radially offset yoke arms

2006-02-21

2006-02-21

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216006, C310S216055

Reexamination Certificate

active

07002280

ABSTRACT:
A claw-pole dynamo comprises a permanent magnet, a coil, and a yoke surrounding the coil. The yoke comprises a plurality of first yoke arms disposed on a first axial side of the coil and a plurality of second yoke arms disposed on a second axial side of the coil. Each yoke arm has a radially outer portion and a radially inner portion, and each yoke arm comprises a plurality of plate-shaped pieces. The radially outer portions of the yoke arms extend axially toward corresponding opposite sides of the coil. Each yoke arm radially inner portion faces a corresponding yoke arm radially inner portion disposed on the opposite side of the coil in the axial direction, and the plurality of first yoke arm radially outer portions are interleaved with the plurality of second yoke arm radially outer portions in a circumferential direction.

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