| 摘要 |
A low armature reacting magnetic circuit includes of an integral combination of magnetic circuit structures, one for each magnetic pole including at least the two main magnetic field poles of the machine, to achieve magnetic flux circuits of two or more poles within an interference-free magnetic flux circuit structure. Such a circuit provides a high magnetic resistance to inhibit the cross magnetic flux associated with the armature, and improves commutation effectiveness. Further efficiencies are achieved through the addition of interpose auxiliary distributed magnetic circuits and commutating poles. Indentations providing through-holes for ventilation and heat dissipation can be made in one or both main magnetic field conducting end structures.
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