STATOR OF ELECTRIC MACHINE
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United States of America Patent
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Issued Date -
Aug 25, 2022
app pub date -
Feb 2, 2022
filing date -
Feb 4, 2021
priority date (Note) -
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Abstract
A stator with concentrated windings includes a ferromagnetic core having a central axis, an electrical insulation system disposed on the ferromagnetic core and a winding disposed on the insulation system to be mechanically locked thereto and electrically insulated from the ferromagnetic core; the ferromagnetic core includes a plurality of radial teeth without pole shoe and each tooth has a radial length, an axial depth and a width orthogonal to the radial length and axial depth; the ratio between the slot pitch and the width of the tooth is between 1.2 and 1.5, preferably between 1.3 and 1.4.
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