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公开(公告)号：US20250079890A1
公开(公告)日：2025-03-06
申请号：US18043433
申请日：2022-12-30
Applicant: Renesas Electronics America Inc.
Inventor： Sheng Yuan , Jiangjian Huang , Bo Tang , Hulong Zeng
Abstract: A wireless power apparatus may include a power receiver having an elongated core member with a long axis and a receiver conductor wound spirally around the elongated core member to form an elongated receiver coil, the power receiver configured to receive power from a power transmitter having a transmitter conductor being wound circularly around a center point and disposed in a plane to form a planar transmitter coil, the planar transmitter coil configured to be connected to an alternating current power source to wirelessly transmit power, the planar transmitter coil having a transmitter coil radial axis starting at the center point and defining a transmitting region from an inner edge of the planar transmitter coil to an outer edge of the planar transmitter coil along the transmitter coil radial axis.
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公开(公告)号：US20250087404A1
公开(公告)日：2025-03-13
申请号：US18043468
申请日：2023-02-03
Applicant: Renesas Electronics America Inc.
Inventor： Sheng Yuan , Shangfeng Jiang , Weiwei Zhou , Jiangjian Huang , Bo Tang
Abstract: Structures, devices, and methods for wireless power transfer systems are described. A structure can include a plurality of strands arranged into a first coil layer and a second coil layer. The plurality of strands can be formed on a parallel path surrounding a center of the structure. The plurality of strands can extend away from the center on the first coil layer. The plurality of strands can extend towards the center on the second coil layer. For every fixed interval along a length of the structure, a first strand among the plurality of strands can be looped from the first coil layer to the second coil layer and a second strand among the plurality of strands can be looped from the second coil layer to the first coil layer.
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公开(公告)号：US20240204566A1
公开(公告)日：2024-06-20
申请号：US17801149
申请日：2022-07-21
Applicant: Renesas Electronics America Inc.
Inventor： Sheng Yuan , Jiangjian Huang , Shangfeng Jiang , Weiwei Zhou
CPC classification number: H02J50/10 , H01F27/2804 , H01F41/041 , H01F2027/2809
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.
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公开(公告)号：US20250079069A1
公开(公告)日：2025-03-06
申请号：US18043444
申请日：2023-02-03
Applicant: Renesas Electronics America Inc.
Inventor： Sheng Yuan , Shangfeng Jiang , Weiwei Zhou , Jiangjian Huang , Bo Tang , Hulong Zeng
IPC: H01F27/28 , H01F41/061 , H01F41/074 , H02J50/00 , H02J50/10
Abstract: Structures, devices, and methods for wireless power transfer systems are described. A structure can include a plurality of strands a plurality arranged into a coil layer. For every fixed interval along a length of the structure, the plurality of strands can be folded at a lateral angle and vertically inverted in response to being folded at the lateral angle. The plurality of strands being folded can cause the plurality of strands to surround a center of the structure in a parallel path.
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