ROTARY MOTOR AND MANUFACTURING METHOD FOR ROTOR
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United States of America Patent
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Issued Date -
May 12, 2022
app pub date -
Oct 28, 2021
filing date -
Oct 28, 2021
priority date (Note) -
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Abstract
A rotary motor includes a stator and a rotor configured to rotate around a rotation axis. The rotor includes a frame including a first surface facing the stator and a plurality of first recesses arrayed along a circumferential direction around the rotation axis and opened on the first surface, the frame being formed in an annular shape, main magnets disposed in the first recesses or among the first recesses, and sub-magnets disposed in the first recesses when the main magnets are disposed among the first recesses and disposed among the first recesses when the main magnets are disposed in the first recesses.
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