A motor includes a motor rotor and a motor stator. An outer circumference of a rotor yoke includes a convex portion projecting outward in a radial direction of the rotor yoke and a concave portion between the convex portions adjacent to each other in a circumferential direction. A magnet is arranged on an adhering surface that is a surface of the concave portion, and the convex portion includes at least one of magnetic gaps that penetrates through the rotor yoke in the axial direction and that has magnetic permeability lower than that of the rotor yoke.
MOTOR, ELECTRIC POWER STEERING DEVICE, AND VEHICLE
2016-11-17
Patent
Elektronische Ressource
Englisch
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