Permanent magnet motor having diverting magnets
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United States of America Patent
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Apr 28, 1992
Issued Date -
N/A
app pub date -
Apr 26, 1990
filing date -
Apr 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dc electric motor having a rotor, a stator, and at least a pair of oppositely disposed main magnets associated with one of the rotor and stator is provided. Preferably, the main magnets are associated with the stator in a stator assembly. The stator assembly also includes interpolar diverting magnets positioned on each side of each main magnet. Additionally, an end diverting magnet assembly including at least a pair of oppositely disposed end diverting magnets may be positioned at at least one end of the stator assembly. Each of the interpolar diverting magnets and end diverting magnets have a magnetic field perpendicular to the magnetic field of the main magnets and are oriented to increase the flux density of the main magnets with low magnetic leakage.
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