Motor, fan, air conditioner, and manufacturing method of motor
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United States of America Patent
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Nov 7, 2023
Grant Date -
N/A
app pub date -
Mar 4, 2019
filing date -
Mar 4, 2019
priority date (Note) -
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Abstract
A motor includes an annular stator core having a plurality of core segments connected via connecting portions in a circumferential direction about an axis, a cover portion covering the stator core and having a core-surrounding portion surrounding the stator core from an outer side in a radial direction about the axis, and a rotor having a rotor core provided on an inner side of the stator core in the radial direction and a magnet attached to the rotor core. The magnet forms a first magnetic pole, and a part of the rotor core forms a second magnetic pole. A minimum distance R1 in the radial direction from the axis to an outer circumference of the core-surrounding portion and a minimum distance R2 in the radial direction from the axis to an outer circumference of the stator core satisfy R1≥1.15×R2.
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