FIELD: electricity.
SUBSTANCE: invention relates to devices for receiving and transmitting electricity in a non-contact manner. Receiving electric power device includes a plate-shaped ferrite, an annular coil disposed on a first basal surface of the ferrite, and also a screen located on the second basis surface of the ferrite, and a step shaped section located on the outer side of the screen. Power transmission device includes a plate-shaped ferrite, an annular coil disposed on a first basal surface of the ferrite, and also a screen located on the second basis surface of the ferrite, and a step shaped section located on the outer side of the screen.
EFFECT: creation of an electric power receiving device and an electric power transmission device that can limit the interconnection of the flow from the coil to the coil and the screen at the time of the transmission of electricity in the power transmission system and that can reduce the eddy current losses.
10 cl, 8 dwg
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