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MOTOR AND POWER GENERATOR 发明申请

2023-12-12 4180 102K 0

专利信息

申请日期 2025-07-25 申请号 JP2014143593
公开(公告)号 JP2015008295A 公开(公告)日 2015-01-15
公开国别 JP 申请人省市代码 全国
申请人 TOSHIBA CORP
简介 PROBLEM TO BE SOLVED : To provide a motor and a power generator including a permanent magnet capable of preventing high-temperature demagnetization while maintaining a high coercive force and a magnetic flux density of a samarium-cobalt magnet. SOLUTION : The motor or a power generator includes; an R-Co-based permanent magnet 1 (R is at least a kind of element selected from rare earth elements). The permanent magnet 1 includes : a magnet body 2; and a surface part 3 formed over the surface of the magnet body 2. The R concentration of the surface part 3 is higher than the R concentration of the magnet body 2. COPYRIGHT : (C)2015, JPO&INPIT


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