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Patent Searching and Data


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)
Application Number:
PCT/JP2017/033494
Publication Date:
March 21, 2019
Filing Date:
September 15, 2017
Export Citation:
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Assignee:
TOSHIBA KK (JP)
International Classes:
H01F1/055; C22C1/04
Domestic Patent References:
WO2016151622A12016-09-29
Foreign References:
JPH058562B21993-02-02
JP6081254B22017-02-15
JPH02294447A1990-12-05
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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