ELECTRICAL MACHINE
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Sep 27, 2023
filing date -
Sep 30, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical machine is disclosed that has a stator and a rotor. The rotor, spaced apart radially from the stator, is configured to rotate about a longitudinal axis. An air gap extends between the rotor and the stator. The rotor has a rotor shaft having two end faces and a surface. A plurality of permanent magnets is connected to the rotor shaft and adjoin the air gap. The rotor shaft has, spaced apart radially from the air gap, a plurality of cooling channels that extend in the longitudinal direction between the end faces of the rotor shaft.
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