ELECTRIC MACHINE
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United States of America Patent
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Issued Date -
Apr 16, 2015
app pub date -
Jul 14, 2014
filing date -
Oct 15, 2013
priority date (Note) -
Abandoned
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Abstract
An electric machine includes a stator core, a rotor core, a shaft and at least one pair of magnets. The stator core surrounds the stator core. The rotor core enfolds the shaft and includes at least one groove. The groove includes a pair of sub-grooves. The sub-grooves define an angle α therebetween. The angle α satisfies: α<180°. The magnets are respectively accommodated in the sub-grooves of the groove.
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