MOTOR LAMINATION MITIGATING TORQUE CONSTANT ROLL OFF
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United States of America Patent
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Issued Date -
Aug 10, 2017
app pub date -
Feb 10, 2016
filing date -
Feb 10, 2016
priority date (Note) -
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Abstract
A straight line lamination for an electric motor has alternating finger segments and hinge segments to be rollable after windings are installed to form a circular motor stator. The lamination is configured such that inner edges of a back iron region are non-arcuate in shape to provide extra back iron material near the hinge segments for mitigating torque constant roll off.
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