Secondary coil module
AssigneeHosiden Corporation
InventorsHiroshi EMA, Fumio OHTA, Eiji SATO
Life of this patent
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Abstract
There is provided a secondary coil module receiving supply of electric power via a primary coil by contactless power transfer technique. The secondary coil module includes a core formed of magnetic material, the core having a tubular portion in the form of a tube and a bottom portion formed integral with the tubular portion in such a manner as to close an opening of the tubular portion formed at one axial end portion thereof, a storage battery accommodated within an accommodation space provided inside the tubular portion and configured to be charged by the power via the primary coil and a coil winding disposed outside the core and on the side of the bottom portion of the core.
Claims20
A secondary coil module receiving supply of electric power via a primary coil by contactless power transfer technique, the secondary coil module comprising:
- a core formed of magnetic material, the core having a tubular portion in the form of a tube and a bottom portion formed integral with the tubular portion in such a manner as to close an opening of the tubular portion formed at one axial end portion thereof;
- a storage battery accommodated within an accommodation space provided inside the tubular portion and configured to be charged by the power;
- and
- a coil winding disposed outside the core and on the side of the bottom portion of the core.
Dependencies are inferred from the claim text.