| 申请日期 | 2025-07-01 | 申请号 | US12406686 |
| 公开（公告）号 | US20100237735A1 | 公开（公告）日 | 2010-09-23 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | ROLF BLISSENBACH; JONATHAN BIRD | ||
| 简介 | An internal permanent magnet machine (“IPM machine”) of the type used, for example, with traction motors and hybrid electric vehicles, includes a rotor having a plurality of ferrite magnets arranged in one or more layers, wherein at least one of the layers includes rare earth magnets (e.g., NdFeB magnets) adjacent to the ferrite magnets to prevent or reduce demagnetization. | ||
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