Patent ID: 9583259
Date: 2017-02-28
CPC Classifications: B60L,H01F,H02J,Y02T,Y10T

Claim:
1. A wireless power transfer device comprising: a casing; a coil housed within the casing and configured to wirelessly receive and transmit power housed within the casing; a set first flowable insulating medium contained in a first portion of the casing and surrounding at least part of the coil; and a set second flowable insulating medium contained in a second portion of the casing and having a lower density than a density of the set first flowable insulating medium, wherein the set first flowable insulating medium and the set second flowable insulating medium both contact an interior edge of the casing, wherein the set first and second flowable insulating mediums comprise first and second epoxy resins, respectively, and wherein the set second flowable insulating medium further comprises a first non-conductive filler material, the first non-conductive filler material having a higher density than the second epoxy resin.