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公开(公告)号：US20210193381A1
公开(公告)日：2021-06-24
申请号：US16756963
申请日：2019-03-07
发明人： Daniel Jes Costinett , Jie Li , Ruiyang Qin
摘要： Disclosed is a series self-resonant coil structure for wireless power transfer that includes a top coil element that is configured in a spiral and planar arrangement and a bottom coil element that is configured in a spiral and planar arrangement that is substantially similar to the arrangement corresponding to the top coil element, wherein the top coil element and the bottom coil element are positioned in a stacked arrangement in relation to each other. The coil structure further includes a dielectric layer element that is planarly positioned in between the top coil element and the bottom coil element, wherein the top coil element, the bottom coil element, and the dielectric layer element are aligned to produce series-resonance in the coil structure.
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公开(公告)号：US11011936B2
公开(公告)日：2021-05-18
申请号：US16483287
申请日：2017-03-14
发明人： Daniel Jes Costinett , Ling Jiang
摘要： A single-stage transmitter for wireless power transfer is provided. The transmitter includes a rectifier stage and an inverter stage sharing a first phase leg. The rectifier stage further includes a rectifying leg including two diodes connected in series, and a boost inductor coupling the first phase leg and the rectifying leg to an input port. The inverter stage further includes a second phase leg. Each phase leg includes two switches connected in series. The first and second phase legs are coupled to an output port. A bus capacitor is coupled across the first phase, second phase, and rectifying legs. A controller is programmed to determine first and second parameters, based on an output power at the output port, to simultaneously control the rectifier stage and the inverter stage to maintain constant bus voltage and achieve high power factor and low total harmonic distortion at the input port.
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公开(公告)号：US11996229B2
公开(公告)日：2024-05-28
申请号：US16756963
申请日：2019-03-07
发明人： Daniel Jes Costinett , Jie Li , Ruiyang Qin
CPC分类号： H01F38/14 , H01F27/2804 , H02J50/005 , H02J50/12
摘要： Disclosed is a series self-resonant coil structure for wireless power transfer that includes a top coil element that is configured in a spiral and planar arrangement and a bottom coil element that is configured in a spiral and planar arrangement that is substantially similar to the arrangement corresponding to the top coil element, wherein the top coil element and the bottom coil element are positioned in a stacked arrangement in relation to each other. The coil structure further includes a dielectric layer element that is planarly positioned in between the top coil element and the bottom coil element, wherein the top coil element, the bottom coil element, and the dielectric layer element are aligned to produce series-resonance in the coil structure.
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公开(公告)号：US20200014245A1
公开(公告)日：2020-01-09
申请号：US16483287
申请日：2017-03-14
发明人： Daniel Jes Costinett , Ling Jiang
摘要： A single-stage transmitter for wireless power transfer is provided. The transmitter includes a rectifier stage and an inverter stage sharing a first phase leg. The rectifier stage further includes a rectifying leg including two diodes connected in series, and a boost inductor coupling the first phase leg and the rectifying leg to an input port. The inverter stage further includes a second phase leg. Each phase leg includes two switches connected in series. The first and second phase legs are coupled to an output port. A bus capacitor is coupled across the first phase, second phase, and rectifying legs. A controller is programmed to determine first and second parameters, based on an output power at the output port, to simultaneously control the rectifier stage and the inverter stage to maintain constant bus voltage and achieve high power factor and low total harmonic distortion at the input port.
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