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Static heat exchanger for wireless power transfer pad

Nicholas A Roberts (Inventor), James Mullen (Inventor), Regan A Zane (Inventor), Abhilash Kamineni (Inventor), Benny J Varghese (Inventor), Marvin Hailing (Inventor)

Research output: Patent

Abstract

An apparatus for a wireless power transfer (“WPT”) pad heat management system includes a ferrite structure positioned adjacent to a coil configured to wirelessly transfer power. The apparatus includes a plurality of heat spreaders positioned along a length of a component of the ferrite structure. Each of the plurality of heat spreaders is non-metallic. The apparatus includes a trough shaped to surround at least a portion of each of the plurality of heat spreaders, wherein the trough is non-metallic. The apparatus includes a phase change material (“PCM”) in the trough where at least a portion of the heat spreaders extend into the PCM. The ferrite structure, coil, plurality of heat spreaders, trough and PCM are encased in a solid material, and each of the plurality of heat spreaders comprises a material that transfers heat from the component of the ferrite structure to the PCM.
Original languageEnglish
Patent numberUS11521780B2
StatePublished - Dec 1 2022
Externally publishedYes

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