Asymmetric stator teeth in an electric motor

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United States of America Patent

PATENT NO 8847460
APP PUB NO 20120286613A1
SERIAL NO

13103158

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Abstract

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A permanent magnet motor includes a permanent magnet rotor, a stator surrounding the rotor having a plurality of teeth radially inwardly oriented toward a longitudinal axis of the stator wherein each tooth has a tooth length and a tooth tip surface geometry. An asymmetric air gap is defined by variations in the tooth lengths and tooth tip surface geometries.

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Patent Owner(s)

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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Han, Xu Novi, US 144 1189
Jurkovic, Sinisa Sterling Heights, US 23 262
Kaiser, Edward L Orion, US 76 644
Morgante, John C Sterling Heights, US 22 168
Niu, Qiang Novi, US 17 81
Rahman, Khwaja M Troy, US 88 1298
Zhou, Xinyu Troy, US 42 163

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