AC motor and control device therefor

Details AC motor and control device therefor AC motor and control device therefor

2007-11-06

2007-11-06

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156340, C310S257000

Reexamination Certificate

active

11176351

ABSTRACT:
A rotor, which is rotatable about a rotor shaft, comprises N poles and S poles alternately disposed in the circumferential direction, and rotor-side neutral poles disposed adjacent to the N poles and the S poles along the axial direction of the rotor, being magnetically connected to their back yoke. A stator comprises two modules which are adjacently disposed in the axial direction of the rotor. Each of these two modules comprises a winding wound, in a loop shape, around the rotor shaft, stator-side neutral poles disposed at positions opposed to the rotor-side neutral poles, stator poles each of which is disposed at a position opposed to either the N pole or the S pole, and a back yoke which connects the stator-side neutral poles and the stator poles to surround the winding.

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