MOTOR ROTOR AND MOTOR HAVING SAME
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Aug 29, 2011
filing date -
Aug 5, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed are a motor rotor and a motor having same, wherein the motor rotor comprises an iron core (10) and permanent magnets (20) provided within the iron core (10), sets of mounting grooves (30) are provided in the peripheral direction of the iron core, with each set of mounting grooves comprising more than two mounting grooves (30) arranged intermittently in the radial direction of the iron core (10). The permanent magnets (20) are correspondingly embedded into the individual mounting grooves (30). The thickness of the permanent magnet (20) at the centre of the cross section thereof and perpendicular to the rotor axis is greater than the thickness at both ends thereof. The rotor optimizes the shape of the permanent magnets (20) and improves the efficiency of the motor.
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