Helical winding with more uniform field utilization
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United States of America Patent
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Oct 27, 2020
Grant Date -
Aug 1, 2019
app pub date -
Oct 9, 2017
filing date -
Oct 14, 2016
priority date (Note) -
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Abstract
Various embodiments include a stator for an AC electric machine with a number of magnetic poles comprising: a central axis; and a stator winding with a plurality of conductor turns. The individual conductor turns are grouped into a total of n electrical strands. The individual conductor turns of a respective electrical strand define a first conductor branch and a second conductor branch. The first conductor branch and the second conductor branch are arranged helically around the central axis over at least half of their respective lengths. The helically arranged conductor branches each have a pitch greater than a product of an axial length of the helical conductor branches and the number of magnetic poles.
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