EP4416822A4 - WIRELESS POWER TRANSMITTERS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES WITH MAGNETIC CONNECTORS - Google Patents

WIRELESS POWER TRANSMITTERS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES WITH MAGNETIC CONNECTORS

Info

Publication number
EP4416822A4
EP4416822A4 EP22881735.9A EP22881735A EP4416822A4 EP 4416822 A4 EP4416822 A4 EP 4416822A4 EP 22881735 A EP22881735 A EP 22881735A EP 4416822 A4 EP4416822 A4 EP 4416822A4
Authority
EP
European Patent Office
Prior art keywords
separation distances
magnetic connectors
wireless power
extended separation
transmitting power
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.)
Withdrawn
Application number
EP22881735.9A
Other languages
German (de)
French (fr)
Other versions
EP4416822A1 (en
Inventor
Md Nazmul Alam
Jason Luzinski
Rob Diebold
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.)
Nucurrent Inc
Original Assignee
Nucurrent 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
Priority claimed from US17/499,184 external-priority patent/US11637448B1/en
Priority claimed from US17/499,173 external-priority patent/US11967830B2/en
Priority claimed from US17/499,179 external-priority patent/US12132325B2/en
Application filed by Nucurrent Inc filed Critical Nucurrent Inc
Publication of EP4416822A1 publication Critical patent/EP4416822A1/en
Publication of EP4416822A4 publication Critical patent/EP4416822A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G01R33/072—Constructional adaptation of the sensor to specific applications
    • 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
    • H01F27/34—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
    • 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • 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
    • 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
    • H02J50/40—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—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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP22881735.9A 2021-10-12 2022-10-12 WIRELESS POWER TRANSMITTERS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES WITH MAGNETIC CONNECTORS Withdrawn EP4416822A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US17/499,184 US11637448B1 (en) 2021-10-12 2021-10-12 Wireless power transmitter with removable magnetic connector panel for vehicular use
US17/499,173 US11967830B2 (en) 2021-10-12 2021-10-12 Wireless power transmitters for transmitting power at extended separation distances with magnetic connectors
US17/499,179 US12132325B2 (en) 2021-10-12 2021-10-12 Wireless power transmitter with removable magnetic connector panel
PCT/US2022/046458 WO2023064402A1 (en) 2021-10-12 2022-10-12 Wireless power transmitters for transmitting power at extended separation distances with magnetic connectors

Publications (2)

Publication Number Publication Date
EP4416822A1 EP4416822A1 (en) 2024-08-21
EP4416822A4 true EP4416822A4 (en) 2025-08-27

Family

ID=85988727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22881735.9A Withdrawn EP4416822A4 (en) 2021-10-12 2022-10-12 WIRELESS POWER TRANSMITTERS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES WITH MAGNETIC CONNECTORS

Country Status (2)

Country Link
EP (1) EP4416822A4 (en)
WO (1) WO2023064402A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229910A1 (en) * 2012-06-28 2017-08-10 Panasonic Intellectual Property Management Co., Ltd. Mobile terminal and chargeable communication module
EP3379549A1 (en) * 2014-03-24 2018-09-26 Apple Inc. Magnetic connection and alignment of connectable devices
EP3799252A1 (en) * 2019-09-27 2021-03-31 Apple Inc. Magnetic alignment systems with nfc for electronic devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107078550A (en) * 2014-11-05 2017-08-18 惠普发展公司，有限责任合伙企业 Facilitate the wireless transfer of electricity to machines
KR102441498B1 (en) * 2017-07-25 2022-09-07 엘지이노텍 주식회사 Coil device and wireless charging device including the same
KR102661233B1 (en) * 2018-01-26 2024-04-25 인디고 테크놀로지스, 인크. Wireless power transfer system with integrated impedance matching and method of using the same
TWM583160U (en) * 2019-03-18 2019-09-01 帥群微電子股份有限公司 Wireless charging system, wireless charging station and vehicle
US11056922B1 (en) * 2020-01-03 2021-07-06 Nucurrent, Inc. Wireless power transfer system for simultaneous transfer to multiple devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229910A1 (en) * 2012-06-28 2017-08-10 Panasonic Intellectual Property Management Co., Ltd. Mobile terminal and chargeable communication module
EP3379549A1 (en) * 2014-03-24 2018-09-26 Apple Inc. Magnetic connection and alignment of connectable devices
EP3799252A1 (en) * 2019-09-27 2021-03-31 Apple Inc. Magnetic alignment systems with nfc for electronic devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023064402A1 *

Also Published As

Publication number Publication date
WO2023064402A1 (en) 2023-04-20
EP4416822A1 (en) 2024-08-21

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