EP3979272C0 - Absorptionsfilter sowie verfahren zur herstellung eines solchen - Google Patents

Absorptionsfilter sowie verfahren zur herstellung eines solchen

Info

Publication number
EP3979272C0
EP3979272C0 EP21200736.3A EP21200736A EP3979272C0 EP 3979272 C0 EP3979272 C0 EP 3979272C0 EP 21200736 A EP21200736 A EP 21200736A EP 3979272 C0 EP3979272 C0 EP 3979272C0
Authority
EP
European Patent Office
Prior art keywords
filter
producing
absorption
absorption filter
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.)
Active
Application number
EP21200736.3A
Other languages
English (en)
French (fr)
Other versions
EP3979272B1 (de
EP3979272A1 (de
Inventor
Thorsten Pemsel
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.)
Epa GmbH
Original Assignee
Epa GmbH
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 Epa GmbH filed Critical Epa GmbH
Publication of EP3979272A1 publication Critical patent/EP3979272A1/de
Application granted granted Critical
Publication of EP3979272C0 publication Critical patent/EP3979272C0/de
Publication of EP3979272B1 publication Critical patent/EP3979272B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/22—Cooling by heat conduction through solid or powdered fillings
    • 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
    • H01F41/005—Impregnating or encapsulating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Motor Or Generator Frames (AREA)
EP21200736.3A 2020-10-04 2021-10-04 Absorptionsfilter sowie verfahren zur herstellung eines solchen Active EP3979272B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020125923.9A DE102020125923A1 (de) 2020-10-04 2020-10-04 Absorptionsfilter sowie Verfahren zur Herstellung eines solchen

Publications (3)

Publication Number Publication Date
EP3979272A1 EP3979272A1 (de) 2022-04-06
EP3979272C0 true EP3979272C0 (de) 2024-12-25
EP3979272B1 EP3979272B1 (de) 2024-12-25

Family

ID=78332469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21200736.3A Active EP3979272B1 (de) 2020-10-04 2021-10-04 Absorptionsfilter sowie verfahren zur herstellung eines solchen

Country Status (4)

Country Link
EP (1) EP3979272B1 (de)
DE (1) DE102020125923A1 (de)
ES (1) ES3016107T3 (de)
HU (1) HUE070865T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202403167D0 (en) * 2024-03-05 2024-04-17 Rolls Royce Deutschland Ltd & Co Kg Noise filtering assembly and electrical device including same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543977C2 (de) 1975-10-02 1983-12-15 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur Herstellung von Vergüssen
FR2339979A1 (fr) 1976-02-02 1977-08-26 Square D Co Relais de surcharge a semi-conducteur
JP3142060B2 (ja) 1989-09-18 2001-03-07 株式会社東芝 ノイズフィルタ
US5200730A (en) * 1991-10-18 1993-04-06 Ferrishield, Inc. Premolded suppressor sleeve
US6218913B1 (en) 1998-02-18 2001-04-17 Curtis Industries, A Division Of Powers Holatings, Inc. Coaxial toroid EMI filter with discrete capacitors surrounding conductors
US7511445B2 (en) * 2005-06-21 2009-03-31 Camarena Villasenor Jose De Jesus Method of manufacture of magnetic induction devices
JP2014096538A (ja) * 2012-11-12 2014-05-22 Kitagawa Ind Co Ltd 複合フェライトコア及び雑音電流吸収具
US9276546B2 (en) 2014-02-21 2016-03-01 Tyco Electronics Corporation Electromagnetic interference filter assembly
DE102014112614B4 (de) * 2014-09-02 2025-06-18 Schaffner Emv Ag Filterbauteil mit wicklungslosem magnetischem Ringkern, Filterbaugruppe und System, sowie Verfahren zur Herstellung derselben
JP6643596B2 (ja) * 2015-12-18 2020-02-12 北川工業株式会社 ノイズ対策部品

Also Published As

Publication number Publication date
DE102020125923A1 (de) 2022-04-07
ES3016107T3 (en) 2025-05-08
HUE070865T2 (hu) 2025-07-28
EP3979272B1 (de) 2024-12-25
EP3979272A1 (de) 2022-04-06

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