KR20230144583A - 무방향성 전자 강판, 철심, 철심의 제조 방법, 모터, 및 모터의 제조 방법 - Google Patents

무방향성 전자 강판, 철심, 철심의 제조 방법, 모터, 및 모터의 제조 방법 Download PDF

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KR20230144583A
KR20230144583A KR1020237030484A KR20237030484A KR20230144583A KR 20230144583 A KR20230144583 A KR 20230144583A KR 1020237030484 A KR1020237030484 A KR 1020237030484A KR 20237030484 A KR20237030484 A KR 20237030484A KR 20230144583 A KR20230144583 A KR 20230144583A
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steel sheet
oriented electrical
electrical steel
iron core
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이치로 다나카
다케아키 와키사카
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닛폰세이테츠 가부시키가이샤
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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  • Chemical & Material Sciences (AREA)
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  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
KR1020237030484A 2021-07-30 2022-07-28 무방향성 전자 강판, 철심, 철심의 제조 방법, 모터, 및 모터의 제조 방법 Withdrawn KR20230144583A (ko)

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JPJP-P-2021-126289 2021-07-30
JP2021126289 2021-07-30
PCT/JP2022/029067 WO2023008513A1 (ja) 2021-07-30 2022-07-28 無方向性電磁鋼板、鉄心、鉄心の製造方法、モータ、およびモータの製造方法

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KR20230144583A true KR20230144583A (ko) 2023-10-16

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US (3) US11814710B2 (https=)
EP (1) EP4379071A4 (https=)
JP (1) JP7243938B1 (https=)
KR (1) KR20230144583A (https=)
CN (1) CN117015626A (https=)
BR (1) BR112023015130A2 (https=)
WO (1) WO2023008513A1 (https=)

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KR20240165997A (ko) * 2022-03-30 2024-11-25 닛폰세이테츠 가부시키가이샤 무방향성 전자 강판 및 모터 코어
KR20250103077A (ko) * 2023-12-28 2025-07-07 현대제철 주식회사 무방향성 전기강판 및 그 제조방법
KR102942050B1 (ko) * 2023-12-29 2026-03-23 현대제철 주식회사 무방향성 전기강판 및 그 제조방법
WO2026068962A1 (en) * 2024-09-30 2026-04-02 The University Of Warwick Non-grain oriented electrical steel alloys
CN120719204B (zh) * 2025-08-18 2025-11-18 张家港扬子江冷轧板有限公司 一种无取向硅钢及其制备方法和应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447167U (https=) 1977-09-08 1979-04-02
JPS5716315U (https=) 1980-07-01 1982-01-27
WO2013069754A1 (ja) 2011-11-11 2013-05-16 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07116508B2 (ja) * 1989-03-03 1995-12-13 日本鋼管株式会社 磁気特性の優れた無方向性電磁鋼板の製造方法
JP2970423B2 (ja) * 1994-09-19 1999-11-02 住友金属工業株式会社 無方向性電磁鋼板の製造方法
JP4019608B2 (ja) * 1999-06-16 2007-12-12 住友金属工業株式会社 無方向性電磁鋼板およびその製造方法
JP2005200756A (ja) * 2004-01-19 2005-07-28 Sumitomo Metal Ind Ltd 無方向性電磁鋼板の製造方法
JP5447167B2 (ja) * 2010-05-13 2014-03-19 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法
JP5671871B2 (ja) * 2010-08-09 2015-02-18 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法
JP5671870B2 (ja) * 2010-08-09 2015-02-18 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法
JP5716315B2 (ja) 2010-08-10 2015-05-13 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法
JP2021126289A (ja) 2020-02-13 2021-09-02 トヨタ自動車株式会社 推定方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447167U (https=) 1977-09-08 1979-04-02
JPS5716315U (https=) 1980-07-01 1982-01-27
WO2013069754A1 (ja) 2011-11-11 2013-05-16 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法

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