Secondary coil module
First Claim
1. 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, whereinthe core is formed of resin containing soft magnetic material, andformation of a gap between the tubular portion and the bottom portion is avoided.
1 Assignment
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Accused Products
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.
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Citations
13 Claims
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1. A secondary coil module receiving supply of electric power via a primary coil by contactless power transfer technique, the secondary coil module comprising:
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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, wherein the core is formed of resin containing soft magnetic material, and formation of a gap between the tubular portion and the bottom portion is avoided. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification