Rotor for rotating electrical machine
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United States of America Patent
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Feb 16, 2021
Grant Date -
Feb 22, 2018
app pub date -
Mar 8, 2016
filing date -
Mar 16, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor for a rotating electrical machine includes a cylindrical rotor core configured to be arranged radially inside of a stator with a coil wound therearound. An outer circumferential surface of the rotor core is opposed to the stator with a gap therebetween. The rotor core has a plurality of magnetic pole regions in a circumferential direction and also has, in each of the magnetic pole regions, a flux barrier extending along q-axis magnetic paths. An inner wall of the flux barrier has a radially outer wall surface and a radially inner wall surface. The radially inner wall surface is broadened to be closer to the adjacent magnetic pole region than a position along the q-axis magnetic paths.
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