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The power motor 发明授权

2023-08-04 4000 461K 0

专利信息

申请日期 2025-07-12 申请号 JP2005197769
公开(公告)号 JP4466491B2 公开(公告)日 2010-05-26
公开国别 JP 申请人省市代码 全国
申请人 Aichi Steel Corporation116655
简介 PROBLEM TO BE SOLVED : To provide a power motor employing a high performance bond magnet. SOLUTION : In the power motor, the field is formed by a bond magnet composed of Co-less R1 based d-HDDR coarse powder having specified mean particle diameter and mixing ratio and having surface covered with surfactant, R2 based fine powder having surface covered with surfactant, and binder resin (R1 and R2 are rare earth elements) where the circumference of the Co-less R1 based d-HDDR coarse powder is surrounded by a ferromagnetic buffer produced by dispersing R2 based fine powder uniformly into the resin. The power motor employing that bond magnet exhibits not only high performance but also excellent thermal resistance. COPYRIGHT : (C)2006, JPO&NCIPI


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