Please use this identifier to cite or link to this item:
PIRA download icon_1.1View/Download Full Text
Title: Inductive power transfer using diverted magnetic field
Authors: Cheng, KWE 
Chen, M 
Issue Date: 30-Jun-2020
Abstract: In a wireless power transfer (WPT) system, a power-transmitting unit has a loop-shaped magnetic core formed by alternately arranging high-permeability (HP) and low-permeability (LP) core sections to give an interleaving pattern. A primary coil wound on the magnetic core provides a magnetic flux traveling therein when excited by an AC power source. A power-receiving unit has a pickup core shaped and dimensioned to overlie one or any LP core section, and to partially overlap HP core sections immediately adjacent to the LP core section that is overlay. The pickup core has a relative permeability higher than that of the aforesaid LP core section, causing at least a part of the magnetic flux to divert from this LP core section to the pickup core. The diverted part of magnetic flux generates electrical power in a secondary pickup coil wound on the pickup core to achieve WPT.
Rights: Assignee: The Hong Kong Polytechnic University.
Appears in Collections:Patent

Files in This Item:
File Description SizeFormat 
us10693321b2.pdf965.88 kBAdobe PDFView/Open
Show full item record

Page views

Citations as of May 29, 2022


Citations as of May 29, 2022

Google ScholarTM


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.