Stator field providing torque and levitation
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United States of America Patent
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Apr 12, 2005
Grant Date -
May 13, 2004
app pub date -
Jan 7, 2003
filing date -
Jul 16, 2000
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Abstract
The invention relates to an economical, non-wearing, electrical permanent magnet drive for actively controlling the rotor position in three degree of freedom. The stator windings produce superimposed fields with different pole numbers in the pole pitches by unsymmetrical magnetomotive force distributions.
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