Rotor for induction motor and induction motor using same
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United States of America Patent
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-
Jan 21, 2025
Grant Date -
Apr 27, 2023
app pub date -
Jul 6, 2022
filing date -
Oct 26, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.
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