REINFORCED PERMANENT MAGNET SYNCHRONOUS MOTOR ROTOR FOR STARTING ON LINE
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Jan 6, 2012
filing date -
Jan 6, 2011
priority date (Note) -
Abandoned
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Abstract
Disclosed in the present invention is a reinforced permanent magnet synchronous motor rotor for line-start, comprising: standard laminations, conductive bars, magnetic bars, and reinforced laminations; the reinforced laminations being located between standard laminations; the magnetic bars are embedded in the standard laminations and separated by the reinforced laminations, and the conductive bars run through the standard laminations and reinforced laminations overlying one other. Comparing the structures of the reinforced permanent magnet synchronous motor rotor for line-start provided by the present invention and the permanent magnet motor rotor in the prior art, the mechanical strength of the motor rotor is increased effectively and the service life of the motor rotor is lengthened by adding reinforced laminations, under the precondition that motor efficiency is not sacrificed.
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