Rotor of electric rotating machine
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United States of America Patent
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Oct 12, 2021
Grant Date -
N/A
app pub date -
Oct 11, 2019
filing date -
Apr 13, 2017
priority date (Note) -
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Abstract
According to one embodiment, a rotor of an electric rotating machine includes a shaft, a rotor core, and a plurality of permanent magnets. Two first permanent magnets are arranged in line symmetry with a pole center and are arranged gradually away from the pole center as the two first permanent magnets extend from first ends toward second ends thereof. Two second permanent magnets are arranged in line symmetry with the pole center and are arranged gradually away from the pole center as the two second permanent magnets extend from third ends toward fourth ends thereof. Angles θ1, θ2 are set to satisfy the relationships of θ1>θ2, and 70 degrees≤θ2≤110 degrees.
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