Motor assembly with a thermally conductive bridging member
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United States of America Patent
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-
Jun 12, 2012
Grant Date -
Feb 3, 2011
app pub date -
Jul 27, 2010
filing date -
Jul 29, 2009
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A motor assembly includes a housing, a revolving shaft revolvably mounted in the housing, a magnet mounting portion surrounding and rotatable with the revolving shaft, a magnet disposed on the magnet mounting portion, a magnetically inducible core having a plurality of stator poles spaced apart from rotor magnetic poles of the magnet, and a plurality of stator windings wound on the stator poles, respectively. The stator windings are spaced apart from end walls of the housing by axial intervals. A thermally conductive bridging member is disposed to span the axial intervals to conduct heat emanating from the stator windings to the end walls so as to dissipate heat out of the housing.
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