Adaptive wireless energy transfer system

A wireless energy and subsystem technology, applied in the field of wireless power transmission, can solve problems affecting efficient transmission and charging difficulties

Active Publication Date: 2013-02-27
WITRICITY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has the following disadvantage: power coupling decreases rapidly with the distance between the antennas, making charging beyond a reasonable distance (e.g., less than 1 to 2 meters) difficult
This method h

Method used

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  • Adaptive wireless energy transfer system
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Embodiment Construction

[0035] The detailed description set forth below in conjunction with the accompanying drawings is intended as a description of exemplary embodiments of the invention and is not intended to represent the only embodiments in which the invention may be practiced. The term "exemplary" is used throughout this description to mean "serving as an example, instance, or illustration" and should not necessarily be construed as preferred or advantageous over other exemplary embodiments. The detailed description includes specific details for the purpose of providing a thorough understanding of the exemplary embodiments of the invention. It will be apparent to those skilled in the art that the exemplary embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the novelty of the exemplary embodiments presented herein.

[0036] The term "wireless power" is used...

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Abstract

Exemplary embodiments are directed to wireless power transfer using magnetic resonance in a coupling mode region between a charging base (CB) and a remote system such as a battery electric vehicle (BEV). The wireless power transfer can occur from the CB to the remote system and from the remote system to the CB. Load adaptation and power control methods can be employed to adjust the amount of power transferred over the wireless power link, while maintaining transfer efficiency.

Description

[0001] Claim of priority under 35 U.S.C. §119 [0002] This application claims priority under 35 U.S.C. § 119(e): [0003] U.S. Provisional Patent Application 61 / 346,378, entitled "ADAPTIVE WIRELESSENERGY TRANSFER SYSTEM," filed May 19, 2010, the disclosure of which is incorporated herein by reference in its entirety; and [0004] US Provisional Patent Application 61 / 367,802, entitled "ADAPTIVE WIRELESS ENERGY TRANSFER SYSTEM," filed July 26, 2010, the disclosure of which is incorporated herein by reference in its entirety. technical field [0005] The present invention relates generally to wireless power transfer, and more particularly to devices, systems, and methods related to wireless power transfer to remote systems, such as vehicles that include batteries. Background technique [0006] Methods are being developed that use over-the-air or wireless power transmission between a transmitter and a receiver coupled to the device to be charged. Such methods generally fall ...

Claims

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Application Information

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IPC IPC(8): B60L11/18H02J7/02
CPCB60L11/182Y02T90/168Y02T10/7005B60L11/1829Y02T90/14B60L11/1827Y02T90/125H02J7/025B60L11/1833Y04S30/12Y02T90/122H01F38/14Y02T10/7088H02J7/0027B60L53/12B60L53/36B60L53/38Y02T90/12Y02T10/7072B60L2270/147B60L53/35H02J50/10H02J7/00034B60L53/122B60L53/126Y02T90/167Y02T10/70H02J50/80H02J50/90H02J50/12H02J50/40H02J50/60H02J50/70B60L2200/26
Inventor 汉斯彼得·威德默奈杰尔·P·库克卢卡斯·西贝尔
Owner WITRICITY CORP
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