Motor having end-turn extension plates

Details Motor having end-turn extension plates Motor having end-turn extension plates

2011-08-09

2011-08-09

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216091, C310S260000, C310S270000

Reexamination Certificate

active

07994681

ABSTRACT:
A motor having a rotor and a stator that houses the rotor in a rotatable manner is herein provided. One of the rotor and the stator comprises at least one permanent magnet. The other of the rotor and the stator comprises at least one core that faces the at least one permanent magnet, and at least one coil that magnetizes the at least one core. The core comprises at least one extension plate that is formed on at least one end face of the core in an axial direction. The extension plate extends parallel to rotation axis of the rotor, and has a magnetic anisotropy whose axis of easy magnetization is substantially parallel to the rotation axis of the rotor.

REFERENCES:
patent: 4683388 (1987-07-01), De Cesare
patent: 5525849 (1996-06-01), Ito et al.
patent: 6462458 (2002-10-01), Tong et al.
patent: 7275300 (2007-10-01), Clough et al.
patent: 6356138 (1988-03-01), None
patent: 02087950 (1990-03-01), None

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