EP4699150A2 - Selbstabgeschirmte hochfrequenz-hochleistungsinduktivität - Google Patents

Selbstabgeschirmte hochfrequenz-hochleistungsinduktivität

Info

Publication number
EP4699150A2
EP4699150A2 EP24793360.9A EP24793360A EP4699150A2 EP 4699150 A2 EP4699150 A2 EP 4699150A2 EP 24793360 A EP24793360 A EP 24793360A EP 4699150 A2 EP4699150 A2 EP 4699150A2
Authority
EP
European Patent Office
Prior art keywords
outer shell
self
shielded inductor
inner core
winding
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
EP24793360.9A
Other languages
English (en)
French (fr)
Inventor
David J. Perreault
Rachel S. YANG
Mike Kavian RANJRAM
Mansi JOISHER
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
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 Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Publication of EP4699150A2 publication Critical patent/EP4699150A2/de
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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346—Preventing or reducing leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
EP24793360.9A 2023-04-17 2024-04-17 Selbstabgeschirmte hochfrequenz-hochleistungsinduktivität Pending EP4699150A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363496456P 2023-04-17 2023-04-17
PCT/US2024/024900 WO2024220479A2 (en) 2023-04-17 2024-04-17 High-frequency high-efficiency self-shielded inductor

Publications (1)

Publication Number Publication Date
EP4699150A2 true EP4699150A2 (de) 2026-02-25

Family

ID=93153483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24793360.9A Pending EP4699150A2 (de) 2023-04-17 2024-04-17 Selbstabgeschirmte hochfrequenz-hochleistungsinduktivität

Country Status (4)

Country Link
EP (1) EP4699150A2 (de)
KR (1) KR20250174897A (de)
CN (1) CN120981867A (de)
WO (1) WO2024220479A2 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7808359B2 (en) * 2005-10-21 2010-10-05 Rao Dantam K Quad-gapped toroidal inductor
JP6746354B2 (ja) * 2016-04-06 2020-08-26 株式会社村田製作所 コイル部品
US10840004B2 (en) * 2018-08-23 2020-11-17 Hamilton Sundstrand Corporation Reducing reluctance in magnetic devices
US11562845B2 (en) * 2019-10-17 2023-01-24 Infineon Technologies Austria Ag Inductor devices and implementations
US20220262561A1 (en) * 2021-02-18 2022-08-18 Massachusetts Institute Of Technology Self-Shielded High Frequency Inductor

Also Published As

Publication number Publication date
WO2024220479A3 (en) 2025-01-16
KR20250174897A (ko) 2025-12-15
WO2024220479A2 (en) 2024-10-24
CN120981867A (zh) 2025-11-18

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