Rotary electric machine comprising a stator and two rotors
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United States of America Patent
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-
Jul 31, 2007
Grant Date -
Aug 10, 2006
app pub date -
Mar 5, 2004
filing date -
Mar 6, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an electric machine comprising a stator (10, 40) provided with a plurality of teeth (11, 41), each tooth supporting at lest one individual coil (13, 46, 47), an external rotor (30) which is radially arranged outside the stator and provided with constant magnets, an internal rotor (20) radially arranged inside the stator, provided with constant magnets and connected to the external rotor (30). At least one of the external (30) and internal (20) rotors is disposed in a flux concentration.
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