Stator component for an electric motor

Details Stator component for an electric motor Stator component for an electric motor

2006-12-29

2009-12-01

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S256000, C310S044000

Reexamination Certificate

active

07626302

ABSTRACT:
The present invention relates to a stator component for an electric motor. The stator component for an internal rotor motor comprises a circular stator yoke having an inner periphery, a number of poles, the poles spaced apart from each other along the inner periphery of the stator yoke and extending radially inward from the inner periphery of the stator yoke, wherein each pole consists of an enlarged pole shoe and a neck connecting the pole shoe to the stator yoke, whereinthe axial height of the stator yoke is higher than the axial height of the neck of each pole, and a coil wound around the neck of each pole.The invention also relates to a stator component for an external rotor motor, wherein the stator poles are arranged along an outer periphery of the stator yoke and extending radially outward from the outer periphery of the yoke.

REFERENCES:
patent: 5331237 (1994-07-01), Ichimura
patent: 5798583 (1998-08-01), Morita
patent: 5986379 (1999-11-01), Hollenbeck et al.
patent: 6127760 (2000-10-01), Nagasaki et al.
patent: 6166474 (2000-12-01), Kohara et al.
patent: 6492749 (2002-12-01), Shiga et al.
patent: 2005/0206264 (2005-09-01), Yamamoto et al.

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