Title:
PERMANENT MAGNET, ROTATING ELECTRIC MACHINE, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/053886
Kind Code:
A1
Abstract:
This permanent magnet is expressed by the composition formula: RpFeqMrCusCo100-p-q-r-s. The permanent magnet is provided with crystal grains having a main phase including a TbCu7-type crystal phase. Of the constituent phases of the main phase, the volume ratio of a TbCu7-type crystal phase is not less than 95%.
Inventors:
HAGIWARA MASAYA (JP)
HORIUCHI YOSUKE (JP)
SAKURADA SHINYA (JP)
HORIUCHI YOSUKE (JP)
SAKURADA SHINYA (JP)
Application Number:
PCT/JP2017/033494
Publication Date:
March 21, 2019
Filing Date:
September 15, 2017
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
H01F1/055; C22C1/04
Domestic Patent References:
WO2016151622A1 | 2016-09-29 |
Foreign References:
JPH058562B2 | 1993-02-02 | |||
JP6081254B2 | 2017-02-15 | |||
JPH02294447A | 1990-12-05 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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