MOTOR HAVING MORE MAGNETS ON EFFECTIVE AREA OF THE ROTOR THEREOF
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
Oct 5, 2011
filing date -
Oct 5, 2011
priority date (Note) -
Abandoned
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Abstract
A motor having more magnets on effective area of the rotor includes a stator, a rotor and a rotation shaft, the rotor has a plurality number of rotor magnetic poles, a magnet is installed inside each of rotor magnetic pole, and a concave arc is on the outer side of each magnet and forms the first, the second and the third surfaces near inside of each magnet. The concave arc connects to the first and the third surfaces with a connecting plan respectively, each connecting plan nears the periphery surface of the rotor. The motor has more magnets on the effective area of the rotor for higher motor efficiency.
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