ROTOR, MOTOR, AND MOTOR FOR ELECTRIC POWER STEERING

PROBLEM TO BE SOLVED: To provide a rotor which can suppress distortion of a magnetic field of a sensor magnet.SOLUTION: A rotor 21 includes a rotational shaft 22 formed of a non-magnetic material. The rotational shaft 22 includes: a sensor magnet 32 fixed thereto on a base end side in an axial direc...

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Bibliographic Details
Main Author BANBA TATSUNORI
Format Patent
LanguageEnglish
Published 10.12.2012
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:PROBLEM TO BE SOLVED: To provide a rotor which can suppress distortion of a magnetic field of a sensor magnet.SOLUTION: A rotor 21 includes a rotational shaft 22 formed of a non-magnetic material. The rotational shaft 22 includes: a sensor magnet 32 fixed thereto on a base end side in an axial direction; and a molding part 26 formed therein on a tip end side on an opposite side to the sensor magnet 32 by forging processing, the molding part being reduced in diameter coaxially with a core fixing part 25 having a rotor core 23 fixed thereto.
Bibliography:Application Number: JP20110110702