Title:
巻鉄心、珪素鋼板、およびそれらの製造方法
Document Type and Number:
Japanese Patent JP7368715
Kind Code:
B2
Abstract:
To provide a wound iron core, a silicon steel plate, and a manufacturing method thereof, which can shorten a process of inserting and assembling a wound iron core into a winding (coil).SOLUTION: There is provided a wound iron core in which a plurality of silicon steel plates are laminated to form a closed magnetic path, and powder is arranged on the surface of the silicon steel plate in a size of 3×10-3 (g/m2) or more and 5 (g/m2) or less, and the powder has an average particle size of 30 μm or more and 1500 μm or less, and the circularity is 0.3 or more and 0.9 or less. There is also provided a manufacturing method thereof.SELECTED DRAWING: Figure 4
Inventors:
Takato Mizumura
Hisashi Motegi
Eisuke Minematsu
Toshihiko Uemura
Hiroshi Fujimura
Hisashi Motegi
Eisuke Minematsu
Toshihiko Uemura
Hiroshi Fujimura
Application Number:
JP2019200893A
Publication Date:
October 25, 2023
Filing Date:
November 05, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
H01F27/245; H01F1/147; H01F41/02
Domestic Patent References:
| JP11012756A | ||||
| JP4165082A | ||||
| JP2271509A | ||||
| JP6256008A | ||||
| JP2018008405A |
Foreign References:
| WO2018131613A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Ritsuo Fukuchi
Manabu Saito
Yasuo Dogaki
Shinji Mihashi
Ritsuo Fukuchi
Manabu Saito
Yasuo Dogaki