Invention Grant
- Patent Title: Permanent magnet and motor and generator using the same
- Patent Title (中): 永磁和电机及发电机使用相同
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Application No.: US13049518Application Date: 2011-03-16
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Publication No.: US08211246B2Publication Date: 2012-07-03
- Inventor: Masaya Hagiwara , Shinya Sakurada , Yosuke Horiuchi , Keiko Okamoto , Tsuyoshi Kobayashi , Shiori Kaji
- Applicant: Masaya Hagiwara , Shinya Sakurada , Yosuke Horiuchi , Keiko Okamoto , Tsuyoshi Kobayashi , Shiori Kaji
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPP2010-214425 20100924
- Main IPC: H01F1/055
- IPC: H01F1/055
Abstract:
In one embodiment, a permanent magnet has a composition represented by (Sm1-xRx)(FepMqCurCo1-p-q-r)z, where R is at least one element selected from Nd and Pr, M is at least one element selected from Ti, Zr and Hf, and 0.22≦p≦0.45, 0.005≦q≦0.05, 0.01 ≦r≦0.1, 0.05≦x
Public/Granted literature
- US20120075046A1 PERMANENT MAGNET AND MOTOR AND GENERATOR USING THE SAME Public/Granted day:2012-03-29
Information query
