Title:
MAGNETIC WEDGE, ROTATING ELECTRICAL MACHINE, AND METHOD FOR MANUFACTURING MAGNETIC WEDGE
Document Type and Number:
WIPO Patent Application WO/2021/033567
Kind Code:
A1
Abstract:
Provided are a magnetic wedge having high electrical resistance and bending strength, a rotating electrical machine employing the same, and a method for manufacturing the magnetic wedge. This magnetic wedge includes a plurality of Fe-based soft magnetic particles, wherein the plurality of Fe-based soft magnetic particles contain an element M that is more readily oxidized than Fe, and are bound using an oxide phase including the element M.
Inventors:
NOGUCHI SHIN (JP)
KIKUCHI KEIKO (JP)
KIMURA MAMORU (JP)
NISHIMURA KAZUNORI (JP)
KIKUCHI KEIKO (JP)
KIMURA MAMORU (JP)
NISHIMURA KAZUNORI (JP)
Application Number:
PCT/JP2020/030213
Publication Date:
February 25, 2021
Filing Date:
August 06, 2020
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
H02K3/493; B22F1/00; B22F3/00; B22F3/24; C22C38/00; H01F1/147; H01F1/24; H01F1/26; H01F41/02; H02K15/04
Domestic Patent References:
| WO2018008738A1 | 2018-01-11 |
Foreign References:
| JPH11238614A | 1999-08-31 | |||
| JPS5450807A | 1979-04-21 | |||
| JPS6277030A | 1987-04-09 |
Other References:
See also references of EP 4020767A4
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