EP4143948A4 - WIRELESS POWER TRANSMITTERS AND CORRESPONDING BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES - Google Patents

WIRELESS POWER TRANSMITTERS AND CORRESPONDING BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES Download PDF

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Publication number
EP4143948A4
EP4143948A4 EP21797787.5A EP21797787A EP4143948A4 EP 4143948 A4 EP4143948 A4 EP 4143948A4 EP 21797787 A EP21797787 A EP 21797787A EP 4143948 A4 EP4143948 A4 EP 4143948A4
Authority
EP
European Patent Office
Prior art keywords
base stations
corresponding base
separation distances
wireless power
extended separation
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
EP21797787.5A
Other languages
German (de)
French (fr)
Other versions
EP4143948A1 (en
Inventor
Md. Nazmul Alam
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 US16/863,682 external-priority patent/US11239709B2/en
Priority claimed from US16/863,703 external-priority patent/US20210344227A1/en
Priority claimed from US16/863,706 external-priority patent/US20210344228A1/en
Priority claimed from US16/863,691 external-priority patent/US11482890B2/en
Priority claimed from US16/863,698 external-priority patent/US11476722B2/en
Priority claimed from US16/863,710 external-priority patent/US11310934B2/en
Application filed by Nucurrent Inc filed Critical Nucurrent Inc
Publication of EP4143948A1 publication Critical patent/EP4143948A1/en
Publication of EP4143948A4 publication Critical patent/EP4143948A4/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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/43—Antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Inverter Devices (AREA)
EP21797787.5A 2020-04-30 2021-04-30 WIRELESS POWER TRANSMITTERS AND CORRESPONDING BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES Pending EP4143948A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US16/863,682 US11239709B2 (en) 2020-04-30 2020-04-30 Operating frequency based power level altering in extended range wireless power transmitters
US16/863,703 US20210344227A1 (en) 2020-04-30 2020-04-30 Wireless power transmitters with front end vehicular input power protection
US16/863,706 US20210344228A1 (en) 2020-04-30 2020-04-30 Wireless power transmitters and associated base stations for transmitting power at extended separation distances
US16/863,691 US11482890B2 (en) 2020-04-30 2020-04-30 Surface mountable wireless power transmitter for transmission at extended range
US16/863,698 US11476722B2 (en) 2020-04-30 2020-04-30 Precision power level control for extended range wireless power transfer
US16/863,710 US11310934B2 (en) 2020-04-30 2020-04-30 Multi-channel cooling for extended distance wireless power transmitter
PCT/US2021/030315 WO2021222843A1 (en) 2020-04-30 2021-04-30 Wireless power transmitters and associated base stations for transmitting power at extended separation distances

Publications (2)

Publication Number Publication Date
EP4143948A1 EP4143948A1 (en) 2023-03-08
EP4143948A4 true EP4143948A4 (en) 2024-07-24

Family

ID=78374004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21797787.5A Pending EP4143948A4 (en) 2020-04-30 2021-04-30 WIRELESS POWER TRANSMITTERS AND CORRESPONDING BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES

Country Status (3)

Country Link
EP (1) EP4143948A4 (en)
CN (1) CN115699513A (en)
WO (1) WO2021222843A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120779761B (en) * 2025-06-17 2026-03-13 苏州亚平电子有限公司 Wireless intelligent home management and control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060209487A1 (en) * 2003-03-19 2006-09-21 Josef Schmidt Transmitter head and system for contactless energy transmission
US20170310117A1 (en) * 2014-04-09 2017-10-26 Prasanna Sharadchandra Nirantare Systems And Methods For Closed Loop Control For Wireless Power Transfer
US20170331335A1 (en) * 2014-11-05 2017-11-16 Hewlett-Packard Development Company, L.P. Assisting wireless transfer of power to a machine
WO2019148070A2 (en) * 2018-01-26 2019-08-01 Indigo Technologies, Inc. Wireless power transfer systems with integrated impedance matching and methods for using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102008808B1 (en) * 2012-12-13 2019-10-21 엘지이노텍 주식회사 Wireless power receiver and controlling method thereof
US10014725B2 (en) * 2013-10-31 2018-07-03 Ge Hybrid Technologies, Llc Hybrid wireless power transmitting system and method therefor
US10003217B2 (en) * 2014-03-04 2018-06-19 Qualcomm Incorporated System and method for reducing emissions for polarized coil systems for wireless inductive power transfer
US10601251B2 (en) * 2014-08-12 2020-03-24 Apple Inc. System and method for power transfer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060209487A1 (en) * 2003-03-19 2006-09-21 Josef Schmidt Transmitter head and system for contactless energy transmission
US20170310117A1 (en) * 2014-04-09 2017-10-26 Prasanna Sharadchandra Nirantare Systems And Methods For Closed Loop Control For Wireless Power Transfer
US20170331335A1 (en) * 2014-11-05 2017-11-16 Hewlett-Packard Development Company, L.P. Assisting wireless transfer of power to a machine
WO2019148070A2 (en) * 2018-01-26 2019-08-01 Indigo Technologies, Inc. Wireless power transfer systems with integrated impedance matching and methods for using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021222843A1 *

Also Published As

Publication number Publication date
WO2021222843A1 (en) 2021-11-04
EP4143948A1 (en) 2023-03-08
CN115699513A (en) 2023-02-03

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