Actuator

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S257000, C310S156150

Reexamination Certificate

active

06979918

ABSTRACT:
An actuator according to the present invention includes: a rotor that includes a magnet that has a cylindrical shape, and an outer peripheral surface alternately magnetized into different poles in a peripheral direction, and a soft magnetic member that is fixed to an inner diameter portion of the magnet; a coil that is concentric with the magnet, and arranged adjacently to the magnet in an axial direction thereof; and a stator that has a magnetic pole portion opposed to the outer peripheral surface of the magnet, in which the soft magnetic member composing the rotor and the stator are excited by the coil.

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Official Action/Search Report from the Korean Patent Office.

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