发明名称 |
A PERMANENT MAGNET AND A METHOD FOR MANUFACTURING A PERMANENT MAGNET |
摘要 |
A permanent magnet, in particular a permanent magnet rotor for a machine, includes a first sleeve, a first cap and a second cap arranged to close off an inner opening of the first sleeve, and a permanent magnet material formed in the inner opening of the sleeve between the first cap and the second cap. The permanent magnet material is a compressed, non-bonded powder material including hard magnetic powder material, soft magnetic powder material, or a combination of hard and soft magnetic powder material. A method for manufacturing a permanent magnet rotor is also provided. |
申请公布号 |
EP2374200(B1) |
申请公布日期 |
2016.09.21 |
申请号 |
EP20090796304 |
申请日期 |
2009.12.11 |
申请人 |
GRUNDFOS MANAGEMENT A/S |
发明人 |
KJELDSTEEN, PETER;SØRENSEN, ALLAN, IVO, SØGAARD;BENDIXEN, FLEMMING, BUUS, BENDIXEN |
分类号 |
H02K1/28;B22F3/02;B22F7/08;H02K15/03 |
主分类号 |
H02K1/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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