Stator coil assembly
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United States of America Patent
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-
Nov 17, 2009
Grant Date -
Aug 2, 2007
app pub date -
Jan 30, 2006
filing date -
Jan 30, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stator coil assembly includes a cylindrical support tube with first and second pluralities of stator coils disposed radially around the support tube. Each stator coil includes first, second, third, and fourth linear segments, each having first and second planar broad sides. The second and fourth linear segments extend in parallel along a first axis with the first and second broad sides of the second and fourth linear segments lying in a common plane. The first and third linear segments extend in parallel along a second axis perpendicular to the first axis. Transition segments having first and second planar broad sides each join a pair of linear segments. The transition segments of the first and second pluralities of stator coils define curvatures toward and away from the center axis, respectively, such that the first and third linear segments are disposed at a substantially equal radial distance from the center axis.
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