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GB2597477B - Inductive coil assembly - Google Patents

Inductive coil assembly Download PDF

Info

Publication number
GB2597477B
GB2597477B GB2011349.4A GB202011349A GB2597477B GB 2597477 B GB2597477 B GB 2597477B GB 202011349 A GB202011349 A GB 202011349A GB 2597477 B GB2597477 B GB 2597477B
Authority
GB
United Kingdom
Prior art keywords
coil assembly
inductive coil
inductive
assembly
coil
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
GB2011349.4A
Other versions
GB202011349D0 (en
GB2597477A (en
Inventor
Manjula Warnakulasuriya Kapila
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to GB2011349.4A priority Critical patent/GB2597477B/en
Publication of GB202011349D0 publication Critical patent/GB202011349D0/en
Priority to PCT/GB2021/051885 priority patent/WO2022018439A1/en
Publication of GB2597477A publication Critical patent/GB2597477A/en
Application granted granted Critical
Publication of GB2597477B publication Critical patent/GB2597477B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • H01F27/2823—Wires
    • 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
    • H01F27/288—Shielding
    • H01F27/289—Shielding with auxiliary windings
    • 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
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • 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
    • H01F2027/348—Preventing eddy currents
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB2011349.4A 2020-07-22 2020-07-22 Inductive coil assembly Active GB2597477B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2011349.4A GB2597477B (en) 2020-07-22 2020-07-22 Inductive coil assembly
PCT/GB2021/051885 WO2022018439A1 (en) 2020-07-22 2021-07-21 Inductive coil assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2011349.4A GB2597477B (en) 2020-07-22 2020-07-22 Inductive coil assembly

Publications (3)

Publication Number Publication Date
GB202011349D0 GB202011349D0 (en) 2020-09-02
GB2597477A GB2597477A (en) 2022-02-02
GB2597477B true GB2597477B (en) 2022-12-14

Family

ID=72338828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2011349.4A Active GB2597477B (en) 2020-07-22 2020-07-22 Inductive coil assembly

Country Status (2)

Country Link
GB (1) GB2597477B (en)
WO (1) WO2022018439A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230336025A1 (en) * 2022-04-18 2023-10-19 Wireless Advanced Vehicle Electrification, Llc Conductor routing in high energy wireless power transfer pads
WO2024241842A1 (en) * 2023-05-22 2024-11-28 国立大学法人 東京大学 Wireless power supply sheet, wireless power supply device, and wireless power supply system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680055A1 (en) * 1994-04-29 1995-11-02 Hughes Aircraft Company High frequency transformer having an internally liquid cooled winding
JP2011087396A (en) * 2009-10-15 2011-04-28 Mitsubishi Electric Corp Power unit and power module
WO2013074110A1 (en) * 2011-11-18 2013-05-23 De Rochemont L Pierre Semiconductor carrier with vertical power fet module
US20180076723A1 (en) * 2016-09-15 2018-03-15 Virginia Tech Intellectual Properties, Inc. Variable dc link converter and transformer for wide output voltage range applications
US20200200937A1 (en) * 2018-12-21 2020-06-25 Witricity Corporation Foreign Object Detection Circuit Using Mutual Impedance Sensing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0812021D0 (en) * 2008-07-02 2008-08-06 Amway Europ Ltd Electromagnetic interference mitigation
KR102154240B1 (en) * 2017-07-06 2020-09-09 한국전자통신연구원 An wireless power transmission system including receiving coil having predetermined pitch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680055A1 (en) * 1994-04-29 1995-11-02 Hughes Aircraft Company High frequency transformer having an internally liquid cooled winding
JP2011087396A (en) * 2009-10-15 2011-04-28 Mitsubishi Electric Corp Power unit and power module
WO2013074110A1 (en) * 2011-11-18 2013-05-23 De Rochemont L Pierre Semiconductor carrier with vertical power fet module
US20180076723A1 (en) * 2016-09-15 2018-03-15 Virginia Tech Intellectual Properties, Inc. Variable dc link converter and transformer for wide output voltage range applications
US20200200937A1 (en) * 2018-12-21 2020-06-25 Witricity Corporation Foreign Object Detection Circuit Using Mutual Impedance Sensing

Also Published As

Publication number Publication date
GB202011349D0 (en) 2020-09-02
GB2597477A (en) 2022-02-02
WO2022018439A1 (en) 2022-01-27

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