Patent ID: 6384703
Filing Date: 2002-05-07
Classification: H01F,H02J

Abstract:
A vapor cooled automobile charging transformer for use with a primary inductive charge coupler having a primary electric winding that attaches to a fixed power supply, comprising:a housing having a through-slot for receiving the inductive charge coupler, the housing including multiple window surfaces and an interior and exterior; a transformer secondary winding disposed in the housing interior; a magnetic core disposed in the housing interior for completing a magnetic circuit through the primary and secondary windings, the secondary winding and core continuously generating heat during operation; and a dielectric liquid retained within the housing interior and submersing the core and secondary windings, the dielectric liquid continuously absorbing the heat generated by the core and secondary windings, wherein some of the liquid first boils and then changes phase and vaporizes, whereby the vapors contact the windows and immediately cool, causing the vapors to condense to a liquid state, whereupon during the phase change from vapor to liquid, the heat of vaporization is released and conducted out of the housing.