COIL SHEET INCLUDING CORE AND CONTACTLESS POWER TRANSMISSION DEVICE INCLUDING THE SAME
First Claim
Patent Images
1. A coil sheet comprising:
- a sheet having a spiral coil thereon;
a core located at the central portion of the coil and having a thickness of t mm,wherein the core has a curvature in at least one of an upper surface of the core, a corner at which the upper surface and a side surface meet each other, and a position in which the core and the sheet meet each other.
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Abstract
There is provided a coil sheet including: a sheet having a spiral coil thereon; a core located at the central portion of the coil and having a thickness of t mm, wherein the core has a curvature in at least one of an upper surface of the core, a corner at which the upper surface and a side surface meet each other, and a position in which the core and the sheet meet each other.
10 Citations
16 Claims
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1. A coil sheet comprising:
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a sheet having a spiral coil thereon; a core located at the central portion of the coil and having a thickness of t mm, wherein the core has a curvature in at least one of an upper surface of the core, a corner at which the upper surface and a side surface meet each other, and a position in which the core and the sheet meet each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A contactless power transmission device comprising:
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a coil sheet including a sheet having a spiral coil thereon and a core located at the central portion of the coil and having a thickness of t mm; and a power input unit applying a current to the coil, wherein the core has a curvature in at least one of an upper surface of the core, a corner at which the upper surface and a side surface meet each other, and a position in which the core and the sheet meet each other. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification