Motor, drive unit and actuating device

Details Motor, drive unit and actuating device Motor, drive unit and actuating device

2008-07-08

2008-07-08

Le, Dang D (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000

Reexamination Certificate

active

07397155

ABSTRACT:
A motor having: a rotor having a permanent magnet; and a stator having an air core coil, wherein a rotating magnetic field is formed between the permanent magnet and the air core coil by performing an energization control of the air core coil to rotate the rotor, a rotor shaft is made of one of a magnetic material and a nonmagnetic material, and a part or a portion to form the rotor excluding the permanent magnet and the rotor shaft is made of a nonmagnetic material.

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International Search Report for corresponding PCT/JP2004/018733 (English version).

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