Permanent magnet, motor, and generator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9502164
APP PUB NO 20150194246A1
SERIAL NO

14661107

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Abstract

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A permanent magnet includes: a composition expressed by a composition formula: RpFeqMrCutCo100-p-q-r-t (R is at least one element selected from rare-earth elements, M is at least one element selected from Zr, Ti, and Hf, 10.5≦p≦12.5 at %, 23≦q≦40 at %, 0.88≦r≦4.5 at %, 4.5≦t≦10.7 at %); and a metal structure containing a cell phase having a Th2Zn17 crystal phase, a cell wall phase, an M-rich platelet phase formed vertically to a c-axis of the Th2Zn17 crystal phase, and a Cu-rich platelet phase formed along the M-rich platelet phase.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Masaki Tokyo, JP 45 214
Hagiwara, Masaya Kanagawa, JP 64 204
Horiuchi, Yosuke Tokyo, JP 65 264
Kobayashi, Tadahiko Kanagawa, JP 72 1514
Kobayashi, Tsuyoshi Kanagawa, JP 202 2074
Okamoto, Keiko Kanagawa, JP 39 205
Sakurada, Shinya Tokyo, JP 132 800

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