Rotor Device for an Electric Machine
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Apr 8, 2022
filing date -
May 3, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor device for an electric machine, comprising: a rotor which comprises a rotor laminated core having a plurality of pole legs which project radially from a central axis of the rotor and can be wrapped around by respective rotor windings; at least one cooling fluid line, which extends in the circumferential direction between adjacent pole legs with its longitudinal extension direction parallel to the central axis of the rotor, and which is designed for a cooling fluid to flow through it for cooling of the rotor; and at least one collecting ring, which is provided on an end face of the rotor and is designed to collect cooling fluid flowing along the end face and to supply it to the at least one cooling fluid line.
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