Electric rotating machine provided with a field control coil

Details Electric rotating machine provided with a field control coil Electric rotating machine provided with a field control coil

2005-12-20

2005-12-20

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S190000, C310S156490, C310S156260

Reexamination Certificate

active

06977453

ABSTRACT:
In a rotating electric machine using permanent magnets and a field control coil, to allow the properties of the rotating electric machine to be readily changed and the rotating electric machine to be adapted to various applications even when it is made of common component parts, the field control coil is adapted to superimpose magnetic flux components of different intensities onto magnetic flux components that are supplied by the magnet poles and iron poles to the teeth, respectively. The magnetic flux components may be differentiated by placing each permanent magnet in a recess defined in an inner circumferential surface of the yoke, and defining each iron pole by a part of the yoke located between an adjacent pair of the permanent magnets in such a manner that the inner circumferential surface of each permanent magnet is lower than the said part of the yoke.

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patent: 2000-156962 (2000-06-01), None

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