Stator of brushless direct current motor

Details Stator of brushless direct current motor Stator of brushless direct current motor

2006-07-11

2006-07-11

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000, C310S184000, C318S254100

Reexamination Certificate

active

07075207

ABSTRACT:
A stator (1) includes a core member (10) having a central portion (12) with an even number of pole members (14–17) extending radially and outwardly from the central portion, a winding having a same even number of winding portions (20a–d) wound around the pole members respectively, and a drive circuit (50) having the winding connected thereto. A half of the winding portions is arranged in parallel with the other half of the winding portions. During working, the electric current passes the whole winding in alternate direction to establish alternate magnetic fields to drive a rotor of the motor to run.

REFERENCES:
patent: 5661351 (1997-08-01), von der Heide et al.
patent: 5841261 (1998-11-01), Nojima et al.
patent: 5952856 (1999-09-01), Horiguchi et al.
patent: 6465918 (2002-10-01), Itami et al.
patent: 6707210 (2004-03-01), Hsieh
patent: 6781332 (2004-08-01), Kusase

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