CA3189605A1 - Efficiency gains through magnetic field management - Google Patents

Efficiency gains through magnetic field management

Info

Publication number
CA3189605A1
CA3189605A1 CA3189605A CA3189605A CA3189605A1 CA 3189605 A1 CA3189605 A1 CA 3189605A1 CA 3189605 A CA3189605 A CA 3189605A CA 3189605 A CA3189605 A CA 3189605A CA 3189605 A1 CA3189605 A1 CA 3189605A1
Authority
CA
Canada
Prior art keywords
backing core
gap layer
cooling
eddy current
thickness
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
CA3189605A
Other languages
English (en)
French (fr)
Inventor
Peter C. SCHRAFEL
Francis J. Mcmahon
Matthew L. Ward
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.)
InductEV Inc
Original Assignee
InductEV Inc
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 InductEV Inc filed Critical InductEV Inc
Publication of CA3189605A1 publication Critical patent/CA3189605A1/en
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
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • 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
    • 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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • 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—ELECTRIC POWER NETWORKS; 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
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
    • H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
    • H02J2105/37—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Transformer Cooling (AREA)
  • Housings And Mounting Of Transformers (AREA)
CA3189605A 2020-07-28 2021-07-14 Efficiency gains through magnetic field management Pending CA3189605A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/940,658 US11581755B2 (en) 2020-07-28 2020-07-28 Efficiency gains through magnetic field management
US16/940,658 2020-07-28
PCT/US2021/070876 WO2022026977A1 (en) 2020-07-28 2021-07-14 Efficiency gains through magnetic field management

Publications (1)

Publication Number Publication Date
CA3189605A1 true CA3189605A1 (en) 2022-02-03

Family

ID=80004657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3189605A Pending CA3189605A1 (en) 2020-07-28 2021-07-14 Efficiency gains through magnetic field management

Country Status (8)

Country Link
US (1) US11581755B2 (https=)
EP (1) EP4189714A4 (https=)
JP (1) JP2023535953A (https=)
KR (1) KR102939504B1 (https=)
CN (1) CN116547770A (https=)
CA (1) CA3189605A1 (https=)
MX (1) MX2023001150A (https=)
WO (1) WO2022026977A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114630762B (zh) * 2019-10-29 2025-05-06 Skc株式会社 无线充电装置及包括其的移动工具
KR102312981B1 (ko) * 2020-10-22 2021-10-15 더가우스 주식회사 무선 전력 수신 장치 및 그 제조 방법
US12145461B2 (en) 2022-01-06 2024-11-19 Ev Charging Solutions, Llc Inductive charging station
KR20240114336A (ko) * 2023-01-16 2024-07-24 주식회사 아모센스 전기자동차용 무선전력 전송모듈
US20240326651A1 (en) * 2023-03-30 2024-10-03 InductEV, Inc. System and method for thermal management of an inductive wireless power charger
WO2025151118A1 (en) * 2024-01-10 2025-07-17 Inductev Inc. System and method for thermal management of an inductive wireless power transmitter

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030161086A1 (en) 2000-07-18 2003-08-28 X2Y Attenuators, Llc Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
US7973635B2 (en) 2007-09-28 2011-07-05 Access Business Group International Llc Printed circuit board coil
JP4830024B2 (ja) 2007-11-02 2011-12-07 旭化成株式会社 磁石用複合磁性材料、及びその製造方法
US8692413B2 (en) * 2009-03-18 2014-04-08 Toyota Jidosha Kabushiki Kaisha Noncontact electric power receiving device, noncontact electric power transmitting device, noncontact electric power feeding system, and vehicle
JP5431774B2 (ja) * 2009-04-14 2014-03-05 富士通テン株式会社 無線電力伝送装置および無線電力伝送方法
KR20120029433A (ko) 2009-05-20 2012-03-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 초박형 차폐층을 갖는 유도 수신기 코일을 구비한 전자 장치 및 방법
CN106972642A (zh) * 2010-03-10 2017-07-21 无线电力公司 无线能量转移转换器
US8901775B2 (en) 2010-12-10 2014-12-02 Everheart Systems, Inc. Implantable wireless power system
KR101434351B1 (ko) 2010-10-21 2014-08-26 티디케이가부시기가이샤 코일 부품 및 그 제조 방법
KR20180103174A (ko) 2010-12-01 2018-09-18 파나소닉 주식회사 비접촉 충전모듈 및 비접촉 충전기기
JP2013184586A (ja) * 2012-03-08 2013-09-19 Nissan Motor Co Ltd 非接触給電装置
US9931952B2 (en) 2012-06-27 2018-04-03 Qualcomm Incorporated Electric vehicle wireless charging with monitoring of duration of charging operational mode
US20140177197A1 (en) 2012-12-26 2014-06-26 Nokia Corporation Multi-Layered Magnetic Shields
US9812774B2 (en) 2013-03-05 2017-11-07 Amosense Co., Ltd. Composite sheet for shielding magnetic field and electromagnetic wave, and antenna module comprising same
US10573445B2 (en) 2013-03-27 2020-02-25 Auckland Uniservices Limited Electromagnetic field confinement
JP6306288B2 (ja) 2013-05-13 2018-04-04 日東電工株式会社 コイルプリント配線基板、受電モジュール、電池ユニットおよび受電通信モジュール
DE102013219540A1 (de) * 2013-09-27 2015-04-02 Siemens Aktiengesellschaft Ladeanordnung zur induktiven drahtlosen Abgabe von Energie
GB2525185A (en) * 2014-04-14 2015-10-21 Bombardier Transp Gmbh A system for inductive power transfer, a pavement slab assembly and a method of operating a system for inductive power transfer
CN106030978B (zh) 2014-05-19 2019-03-19 株式会社Ihi 冷却装置以及非接触供电系统
JP6596942B2 (ja) * 2015-06-04 2019-10-30 株式会社Ｉｈｉ コイル装置
US10320586B2 (en) 2015-07-14 2019-06-11 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium
US9905359B2 (en) * 2015-09-01 2018-02-27 Dell Products, Lp Wireless power antenna winding including heat pipe and method therefor
US10229782B2 (en) 2015-12-21 2019-03-12 Mediatek Inc. Wireless power coil with multi-layer shield
US10958105B2 (en) * 2017-02-13 2021-03-23 Nucurrent, Inc. Transmitting base with repeater
KR102405652B1 (ko) 2017-05-30 2022-06-03 모멘텀 다이나믹스 코오퍼레이션 무선 전력 전송 박형 프로파일 코일 어셈블리
JP2019009161A (ja) * 2017-06-21 2019-01-17 トヨタ自動車株式会社 コイルユニット
JP7063002B2 (ja) * 2018-02-23 2022-05-09 株式会社Ihi コイル装置
US10784044B2 (en) * 2018-04-30 2020-09-22 Integrated Device Technology, Inc. Optimization of transmit and transmit/receive (TRX) coils for wireless transfer of power
CN210912049U (zh) * 2019-07-29 2020-07-03 重庆长安新能源汽车科技有限公司 一种电动汽车无线充电车载设备冷却控制系统

Also Published As

Publication number Publication date
US11581755B2 (en) 2023-02-14
WO2022026977A1 (en) 2022-02-03
JP2023535953A (ja) 2023-08-22
EP4189714A1 (en) 2023-06-07
CN116547770A (zh) 2023-08-04
KR102939504B1 (ko) 2026-03-17
KR20230041804A (ko) 2023-03-24
US20220037924A1 (en) 2022-02-03
EP4189714A4 (en) 2024-07-17
MX2023001150A (es) 2023-02-22

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