ROTOR ASSEMBLY
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Mar 13, 2024
filing date -
Mar 13, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor assembly includes a rotating shaft having a rotation axis that defines an axial direction, permanent magnets attached to the rotating shaft, and at least one sleeve ring. The at least one sleeve ring is configured to radially retain the permanent magnets. The rotor assembly includes a sealing sleeve arranged between the permanent magnets and the at least one sleeve ring. The sealing sleeve includes a front end and a rear end, and is sealed both at a front end and at a rear end to provide for a hermetically sealed enclosure in which the permanent magnets are located.
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