Non-contact battery charging equipment using a soft magnetic pla

Details Non-contact battery charging equipment using a soft magnetic pla Non-contact battery charging equipment using a soft magnetic pla

1998-09-28

1999-12-28

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Charger inductively coupled to cell or battery

H02J 700

Patent

active

06008622&

ABSTRACT:
The invention provides a non-contact charging equipment having high transmission efficiency and used to supply electric power on non-contact basis by electromagnetic induction, whereby it comprises a plurality of coils on a planar magnetically soft material on each of power transmitting and power receiving sides, whereby the coils on the power transmitting side and the power receiving side are arranged at opposed positions and with a spacing so that magnetic fluxes generated by adjacent coils are directed in reverse directions, the magnetically soft material in planar shape on the power receiving side is arranged directly or via an insulating member on a battery can, and heat generated on the power receiving side is radiated by the battery can.

REFERENCES:
patent: 5600222 (1997-02-01), Hall et al.
patent: 5654621 (1997-08-01), Seelig
patent: 5661391 (1997-08-01), Ito et al.

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