ROTATING ELECTRIC MACHINE AND METHOD FOR MANUFACTURING ROTOR
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
Jun 7, 2023
filing date -
Jun 9, 2022
priority date (Note) -
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Abstract
A rotor constituting a rotating electric machine includes a rotating shaft and a permanent magnet. A sleeve covering the outer surface of the permanent magnet is attached to the rotating shaft. The sleeve is made of a carbon fiber reinforced polymer. A resin film is joined to an outer circumferential wall of the sleeve via a joining material. A plurality of ridges are formed on the outer circumferential wall of the resin film. A riblet recessed relatively to the plurality of ridges is formed between the plurality of ridges.
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