Motor stator assembly and fabrication method thereof

Details Motor stator assembly and fabrication method thereof Motor stator assembly and fabrication method thereof

2006-04-11

2006-04-11

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S254100

Reexamination Certificate

active

07026740

ABSTRACT:
Disclosed is a motor stator assembly comprising: a plurality of yokes manufactured by laminating a plurality of steel sheets having a predetermined length; and a plurality of poles engaged between the yokes and formed by molding magnetic material in a mold, on which coil is wound. In the assembly, material loss can be reduced at the time of blanking operation, and additional protector is not required. According to this, a winding radius of coil is reduced thus to reduce coil amount on the basis of a constant number of times of winding. Also, by using magnetic powder material and silicon steel, productivity is enhanced and motor efficiency is enhanced.

REFERENCES:
patent: 3866071 (1975-02-01), Hallerback
patent: 5955814 (1999-09-01), Fujiwara
patent: 6034461 (2000-03-01), Sun
patent: 6411006 (2002-06-01), Suzuki et al.
patent: 6472792 (2002-10-01), Jack et al.

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