STATOR OF AN ELECTRICAL MACHINE PROVIDED WITH SHEATHS WITH AN OPTIMISED LENGTH FOR INSULATION OF THE WIRES WHICH ARE CONNECTED TO THE COILS, AND CORRESPONDING ELECTRICAL MACHINE
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United States of America Patent
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Issued Date -
Feb 4, 2016
app pub date -
Apr 22, 2014
filing date -
Apr 23, 2013
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Abstract
A stator for a multiphase rotary electric machine comprising a set of coils wound around teeth of the stator. The coil inputs are interconnected with other inputs, forming the neutral point and the coil outputs are interconnected with other outputs, forming one of the phases. Each phase is associated with a bundle of wires. Two bundle portions run around part of the circumference of the stator, connecting the outputs that make up the same phase. The stator comprises a set of insulating sheets protecting the wires. Each bundle is divided in a dividing zone near a connection of one or more bundles with an output of one coil belonging to the phase corresponding to said bundle. The insulating sheets extend around the circumference of the stator to an output of a next coil of a phase or between the outputs of two successive coils.
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