Bi-material permanent magnets for electric machines

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United States of America

PATENT NO 11936239
SERIAL NO

17116661

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Abstract

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A bi-material permanent magnet for an electric machine includes a core including a first magnetic material and a shell portion located on the core and made of a second magnetic material. The first magnetic material comprises a magnet material with an energy less than 20 Mega Gauss Oersteds (MGOe). The second magnetic material comprises a magnet material with an energy greater than 30 MGOe.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 DETROIT MI 48265-3000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coppola, Anthony M Rochester Hills, US 47 217
Duan, Chengwu Shanghai, CN 83 150
Fatemi, Alireza Canton, US 96 187
Nehl, Thomas W Shelby Township, US 99 690
Sachdev, Anil K Rochester Hills, US 192 1827
Yao, Jian Shanghai, CN 258 1002

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