ROTOR, MOTOR, AND METHOD FOR MANUFACTURING ROTOR
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Jul 22, 2024
filing date -
Jul 22, 2024
priority date (Note) -
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Abstract
A rotor rotatable about a central axis extending in an axial direction includes a yoke that is a cylindrical magnetic body extending in the axial direction. A plurality of ridge portions of the yoke are connected to one axial end of the yoke cylindrical portion in a cylindrical shape and extending in the axial direction, and are arranged at intervals in the circumferential direction. In each ridge portion, a protrusion protrudes radially inward from one axial end of the yoke cylindrical portion. Further, an extension extends in the other axial direction from the radially inner end of the protrusion along the radially inner surface of the yoke cylindrical portion. A magnet is located between the extensions adjacent to each other in the circumferential direction. The ridge portion is integral with the yoke cylindrical portion to define a single structure.
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