Localized induction heat treatment of electric motor components

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United States of America Patent

PATENT NO 10910927
APP PUB NO 20190296619A1
SERIAL NO

15926125

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Abstract

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A method of manufacturing a stator is provided. The method may include stamping steel into laminations each having an inner edge area defining a residual stress associated with a magnetic permeability. The method may also include exposing the laminations to a changing magnetic field such that, for each of the laminations, a density of resulting eddy currents is greatest near the inner edge area to heat the same relative to central areas of the lamination to decrease the residual stress and core loss.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCONE AMERICAN ROAD FOURTH FLOOR DEARBORN MI 48126-2701

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Degner, Michael W Novi, US 304 2776
Liang, Feng Troy, US 376 3176
Rong, Chuanbing Canton, US 23 7

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