PASSIVE MULTI-COIL REPEATER for WIRELESS POWER CHARGING

A repeater and multi-coil technology, applied in the direction of inductors, circuits, transformers, etc., can solve the problems of damaging furniture, increasing installation costs, and complicated installation

Pending Publication Date: 2021-01-12
POWERMAT TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to damaging the customer's furniture, this complicates and increases the cost of installation

Method used

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  • PASSIVE MULTI-COIL REPEATER for WIRELESS POWER CHARGING
  • PASSIVE MULTI-COIL REPEATER for WIRELESS POWER CHARGING
  • PASSIVE MULTI-COIL REPEATER for WIRELESS POWER CHARGING

Examples

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Embodiment Construction

[0030] Before at least one embodiment of the disclosed subject matter is explained in detail, it is to be understood that the disclosed subject matter is not limited in its application to the details of construction and the arrangement of components set forth in the following description or shown in the drawings. The disclosed subject matter is capable of other embodiments or of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting. The drawings are generally not drawn to scale. For clarity, non-essential elements have been omitted in some of the drawings.

[0031] The terms "comprises", "comprising", "includes", "including" and "having" together with their variations mean "including but not limited to". The term "consisting of" has the same meaning as "including and limited to".

[0032] The term "consisting essentially of" m...

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PUM

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Abstract

A multi-coil repeater is provided for wireless power transfer from a transmitter, having an adjustable operation frequency, to a receiver coil having a ferrite layer behind it, the multi-coil repeatercomprising: an array of passive repeater transmitting coils (RTC) in a single layer; a ferrite layer having a receiver facing side and a transmitter facing side, wherein the array is positioned on the receiver facing side; and a repeater receiving coil (RRC) positioned on the transmitter facing side; wherein each RTC of the array has a resonance capacitor to form a branch having a resonance frequency, wherein all branches are parallelly wired together, wherein a receiver placed above the receiver facing side causes the resonance frequency of at least one branch situated directly below the receiver to drop to a different resonance frequency; and wherein the transmitter adjusts its operational frequency to the RRC to be close to the different resonance frequency of the at least one branch.

Description

technical field [0001] The presently disclosed subject matter relates to wireless power charging systems. More specifically, the presently disclosed subject matter relates to passive repeaters and methods for wireless power charging. [0002] Cross References to Related Applications [0003] This application claims priority to a co-pending application; No. 62 filed February 4, 2017 by Itay Sherman entitled "Fully passive multi coil array for wireless power" US Provisional Patent Application No. 626,094; which is incorporated by reference for all purposes. Background technique [0004] As the demand for wireless power charging systems grows, deployments in various venues also increase dramatically, raising the need to increase the effective charging area and distance between transmitters and receivers in the system. [0005] Wireless power charging systems are usually deployed in public facilities, such as restaurants, coffee shops, airports, bus stops, train stations, ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/50H02J50/80
CPCH02J50/80H02J50/12H02J50/50H01F38/14H02J50/402
Inventor I·谢尔曼
Owner POWERMAT TECHNOLOGIES
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