Electric motor having a permanent magnet rotor and a stator core of united poles
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United States of America Patent
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-
May 20, 2008
Grant Date -
Oct 20, 2005
app pub date -
Apr 14, 2004
filing date -
Apr 14, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Electric motor (1) comprising a stator (2), a magnetic induction core (3) constrained to said stator, at least one magnetic excitation coil (4a, 4b) associated to said induction core, a rotor (5) of substantially cylindrical shape comprising at least one permanent magnet adapted to form on said rotor at least two magnetic poles of opposite polarity, said core and said coils being adapted to form at least two magnetic induction poles of opposite polarity on said stator core of contiguous poles united in a single body.
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