| 摘要 |
A variable reluctance-type resolver which does not deteriorate detecting accuracy, and which can fix the rotor to the rotate shaft cheaply is comprised of a stator 5 on which coils 6 are wound, a rotor provided with protrude poles 4 a and an annular stopper 10 made of magnetic material. An outer diameter DS of the stopper 10 is selected to be smaller than a valley diameter DR of the rotor 4 . Leakage of the magnetic flux from the stator to the stopper is prevented, and the stopper made of the magnetic material can fix the rotor in cheaper way.
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