Rotor with cooling fluid flow channels formed in permanent magnets
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United States of America
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Jan 7, 2025
Grant Date -
Jul 21, 2022
app pub date -
Apr 5, 2022
filing date -
Apr 5, 2022
priority date (Note) -
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Abstract
A rotor of an electrical rotating device includes a rotor core, plural permanent magnets mounted on an outer circumference of the rotor core, a retaining sleeve that holds the permanent magnets from their outer side, a cooling fluid flow channel formed on each surface of the permanent magnets on a side of the retaining sleeve [or on each surface on a side of the rotor core], and a seal ring. The retaining sleeve is configured of plural divided sleeves divided along a direction of a rotation axis of the rotor. A seam is formed between adjacent divided sleeves in the plural divided sleeves. The seal ring covers the seam from an outer circumferential side [or an inner circumferential side].
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