Inter-layer twisted coil for wireless power transfer
AssigneeRenesas Electronics America Inc.
InventorsSheng Yuan, Jiangjian Huang, Shangfeng Jiang, Weiwei Zhou
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Abstract
Apparatuses including a coil and methods of forming the coil are described. The coil can include a first coil layer including at least an inner strand and an outer strand. The coil can further include a second coil layer including at least an inner strand and an outer strand. The inner strand of the first coil layer can be connected to the outer strand of the second coil layer. The outer strand of the first coil layer can be connected to the inner strand of the second coil layer.
Claims20
An apparatus comprising:
- a first coil layer including at least an inner strand and an outer strand;
- and
- a second coil layer including at least an inner strand and an outer strand, wherein:
- the inner strand of the first coil layer is connected to the outer strand of the second coil layer;
- and
- the outer strand of the first coil layer is connected to the inner strand of the second coil layer.
A device comprising:
- a power rectifier configured to rectify alternating current (AC) power into direct current (DC) power;
- a controller connected to the power rectifier, the controller being configured to control the power rectifier;
- a first coil layer connected to the power rectifier and configured to receive the AC power, wherein the first coil layer includes at least an inner strand and an outer strand;
- and
- a second coil layer connected to the power rectifier and configured to receive the AC power, wherein the second coil layer includes at least an inner strand and an outer strand, and wherein:
- the inner strand of the first coil layer is connected to the outer strand of the second coil layer;
- and
- the outer strand of the first coil layer is connected to the inner strand of the second coil layer.
A method for constructing a coil of a device, the method comprising:
- forming a first coil layer that includes at least an inner strand and an outer strand;
- forming a second coil layer that includes at least an inner strand and an outer strand;
- connecting the inner strand of the first coil layer to the outer strand of the second coil layer;
- and
- connecting the outer strand of the first coil layer to the inner strand of the second coil layer.
Dependencies are inferred from the claim text.