Electric Machine with Skewed Permanent Magnet Arrangement
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 14, 2014
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A permanent magnet electric machine includes a stator and a rotor opposing the stator. Axial slots are provided in the rotor with a plurality of magnet stacks positioned in the slots. Each of the plurality of magnet stacks includes a plurality of magnet segments. The plurality of magnet segments includes a first number of first magnet segments and a second number of second magnet segments. The first magnet segments are offset from the second magnet segments in a circumferential direction of the rotor. The first number and the second number are both greater than one and the first number is different from the second number.
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