Electric motor and hermetic compressor having the same
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United States of America Patent
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Jan 2, 2024
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N/A
app pub date -
Nov 12, 2021
filing date -
Dec 24, 2020
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Abstract
A hermetic compressor includes an electric motor that includes a rotor having a plurality of permanent magnets inserted into a rotor core, a connection part made of a non-magnetic material and provided at an axial end portion of the rotor core, and an inertial core made of a magnetic material and provided at an axial end of the connection part. The connection part includes a plurality of first fixing portions, a plurality of second fixing portions spaced apart from the plurality of first fixing portions in an axial direction, and a plurality of link portions disposed between the plurality of first fixing portions and the plurality of second fixing portions.
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