EP4600979A4 - Noyau de fer empilé et procédé de fabrication de noyau de fer empilé - Google Patents

Noyau de fer empilé et procédé de fabrication de noyau de fer empilé

Info

Publication number
EP4600979A4
EP4600979A4 EP23874748.9A EP23874748A EP4600979A4 EP 4600979 A4 EP4600979 A4 EP 4600979A4 EP 23874748 A EP23874748 A EP 23874748A EP 4600979 A4 EP4600979 A4 EP 4600979A4
Authority
EP
European Patent Office
Prior art keywords
iron core
stacked iron
manufacturing process
stacked
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23874748.9A
Other languages
German (de)
English (en)
Other versions
EP4600979A1 (fr
Inventor
Takahito Mizumura
Hisashi Mogi
Masaru Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP4600979A1 publication Critical patent/EP4600979A1/fr
Publication of EP4600979A4 publication Critical patent/EP4600979A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/33—Arrangements for noise damping
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/02—Cores, Yokes, or armatures made from sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Soft Magnetic Materials (AREA)
EP23874748.9A 2022-10-03 2023-09-28 Noyau de fer empilé et procédé de fabrication de noyau de fer empilé Pending EP4600979A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022159532 2022-10-03
PCT/JP2023/035358 WO2024075621A1 (fr) 2022-10-03 2023-09-28 Noyau de fer empilé et procédé de fabrication de noyau de fer empilé

Publications (2)

Publication Number Publication Date
EP4600979A1 EP4600979A1 (fr) 2025-08-13
EP4600979A4 true EP4600979A4 (fr) 2026-01-14

Family

ID=90607780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23874748.9A Pending EP4600979A4 (fr) 2022-10-03 2023-09-28 Noyau de fer empilé et procédé de fabrication de noyau de fer empilé

Country Status (7)

Country Link
EP (1) EP4600979A4 (fr)
JP (1) JP7801644B2 (fr)
KR (1) KR20250050081A (fr)
CN (1) CN119948581A (fr)
AU (1) AU2023357464A1 (fr)
TW (1) TWI860864B (fr)
WO (1) WO2024075621A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000114064A (ja) * 1998-10-06 2000-04-21 Sumitomo Metal Ind Ltd 低損失低騒音積み鉄心およびその製造方法
CA3195827A1 (fr) * 2020-10-26 2022-05-05 Takahito MIZUMURA Noyau de fer enroule, et procede et dispositif de fabrication de noyau de fer enroule

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6378509A (ja) * 1986-09-20 1988-04-08 Mitsubishi Electric Corp 静止誘導機器用鉄心
JPH0785457B2 (ja) 1991-06-10 1995-09-13 新日本製鐵株式会社 超高珪素電磁鋼板を用いた低騒音の積層鉄芯及び巻き鉄芯
JPH11124629A (ja) * 1997-10-16 1999-05-11 Kawasaki Steel Corp 低鉄損・低騒音方向性電磁鋼板
JP2002164225A (ja) * 2000-11-28 2002-06-07 Nippon Steel Corp 低騒音電磁鋼板および積層鉄心
JP3799252B2 (ja) 2001-08-30 2006-07-19 中国電機製造株式会社 騒音抑制積層鉄心の製造方法
JP2004361508A (ja) 2003-06-02 2004-12-24 Matsushita Electric Ind Co Ltd 表示制御装置
JP2006014555A (ja) 2004-06-29 2006-01-12 Toyo Electric Mfg Co Ltd 電磁機器の低騒音化構造
JP4846429B2 (ja) * 2005-05-09 2011-12-28 新日本製鐵株式会社 低鉄損方向性電磁鋼板およびその製造方法
KR101562962B1 (ko) * 2014-08-28 2015-10-23 주식회사 포스코 방향성 전기강판의 자구미세화 방법과 자구미세화 장치 및 이로부터 제조되는 방향성 전기강판
EP3438293B1 (fr) * 2016-03-31 2020-07-29 Nippon Steel Corporation Tôle d'acier magnétique à grains orientés
JP2019041984A (ja) 2017-08-31 2019-03-22 株式会社大一商会 遊技機
EP3770290B1 (fr) * 2018-03-22 2024-04-24 Nippon Steel Corporation Tôle d'acier électrique à grains orientés et procédé de production de tôle d'acier électrique à grains orientés

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000114064A (ja) * 1998-10-06 2000-04-21 Sumitomo Metal Ind Ltd 低損失低騒音積み鉄心およびその製造方法
CA3195827A1 (fr) * 2020-10-26 2022-05-05 Takahito MIZUMURA Noyau de fer enroule, et procede et dispositif de fabrication de noyau de fer enroule

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024075621A1 *

Also Published As

Publication number Publication date
TWI860864B (zh) 2024-11-01
AU2023357464A1 (en) 2025-02-20
WO2024075621A1 (fr) 2024-04-11
CN119948581A (zh) 2025-05-06
EP4600979A1 (fr) 2025-08-13
JPWO2024075621A1 (fr) 2024-04-11
KR20250050081A (ko) 2025-04-14
JP7801644B2 (ja) 2026-01-19
TW202430660A (zh) 2024-08-01

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Ipc: H01F 27/245 20060101AFI20251209BHEP

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