发明名称 |
Permanent magnet field type rotating machine |
摘要 |
Disclosed is a permanent magnetic field type rotating machine. The rotor core is made of a single chemical composition material comprising ferromagnetic and nonmagnetic zones. The nonmagnetic zones consists of a remolten and solidified metal structure and of a merely heated and cooled metal structure, and are present at portions of the rotor core where leakage flux is produced.
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申请公布号 |
US5841212(A) |
申请公布日期 |
1998.11.24 |
申请号 |
US19970833624 |
申请日期 |
1997.04.08 |
申请人 |
HITACHI METALS, LTD. |
发明人 |
MITA, MASAHIRO;SASAKI, TAKASHI |
分类号 |
H02K1/22;H02K1/02;H02K1/24;H02K1/27;H02K19/10;(IPC1-7):H02K21/14 |
主分类号 |
H02K1/22 |
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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