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公开(公告)号：US10404187B2
公开(公告)日：2019-09-03
申请号：US15924853
申请日：2018-03-19
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
Abstract: A system comprises a plurality of inverter units having inputs connected to a power source and a coupled inductor comprising a plurality of windings and coupled between the plurality of inverter units and an output filter, wherein each winding of the plurality of windings has a first terminal connected to an output of a corresponding inverter unit and second terminals of the plurality of windings are connected together.
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公开(公告)号：US10163562B2
公开(公告)日：2018-12-25
申请号：US13705287
申请日：2012-12-05
Applicant: FutureWei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu , Yanshen Hu
Abstract: An embodiment apparatus comprises a magnetic core comprising a first side and a second side opposite the first side, a first winding comprising a first portion wound around the first side and a second portion wound around the second side, a second winding comprising a third portion wound around the first side and a fourth portion wound around the second side, wherein the second portion and the fourth portion are coupled to each other.
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公开(公告)号：US20180212534A1
公开(公告)日：2018-07-26
申请号：US15924853
申请日：2018-03-19
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
CPC classification number: H02M7/537 , H02M7/487 , H02M7/49 , H02M2007/4815 , Y02B70/1441
Abstract: A system comprises a plurality of inverter units having inputs connected to a power source and a coupled inductor comprising a plurality of windings and coupled between the plurality of inverter units and an output filter, wherein each winding of the plurality of windings has a first terminal connected to an output of a corresponding inverter unit and second terminals of the plurality of windings are connected together.
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公开(公告)号：US09641098B2
公开(公告)日：2017-05-02
申请号：US14656611
申请日：2015-03-12
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu , Yongbing Gao
Abstract: An inverter comprises a first input capacitor and a second input capacitor connected in series, an inverting unit comprising a first switch, a second switch, a third switch and a fourth switch connected in series, wherein the inverting unit is connected to an input of an L-C filter, a first bidirectional conductive path connected between a common node of the first switch and the second switch, and a common node of the first input capacitor and the second input capacitor, a second bidirectional conductive path connected between a common node of the third switch and the fourth switch, and the common node of the first input capacitor and the second input capacitor and a flying capacitor connected between the common node of the first switch and the second switch, and the common node of the third switch and the fourth switch.
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公开(公告)号：US20190386580A1
公开(公告)日：2019-12-19
申请号：US16557324
申请日：2019-08-30
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
Abstract: A system includes a first inverter connected between a de power source and an input terminal of a first leg of a coupled inductor, a second inverter connected between the de power source and an input terminal of a second leg of the coupled inductor, a third inverter connected between the de power source and an input terminal of a third leg of the coupled inductor, and an output filter connected between the coupled inductor and an ac power source, wherein output terminals of the first leg, the second leg and the third leg of the coupled inductor are connected together and further connected to the output filter.
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Patent Agency Ranking
公开(公告)号：US20190096572A1
公开(公告)日：2019-03-28
申请号：US16200164
申请日：2018-11-26
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu , Yanshen Hu
Abstract: A system comprises a first inverter and a second inverter connected in parallel, a coupled inductor connected to outputs of the first inverter and the second inverter, wherein the coupled inductor comprises a plurality of windings formed by a single winding wire and an output filter coupled to an output of the coupled inductor.
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公开(公告)号：US20160268924A1
公开(公告)日：2016-09-15
申请号：US14656611
申请日：2015-03-12
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu , Yongbing Gao
IPC: H02M7/537
Abstract: An inverter comprises a first input capacitor and a second input capacitor connected in series, an inverting unit comprising a first switch, a second switch, a third switch and a fourth switch connected in series, wherein the inverting unit is connected to an input of an L-C filter, a first bidirectional conductive path connected between a common node of the first switch and the second switch, and a common node of the first input capacitor and the second input capacitor, a second bidirectional conductive path connected between a common node of the third switch and the fourth switch, and the common node of the first input capacitor and the second input capacitor and a flying capacitor connected between the common node of the first switch and the second switch, and the common node of the third switch and the fourth switch.
Abstract translation: 反相器包括串联连接的第一输入电容器和第二输入电容器，反相单元包括串联连接的第一开关，第二开关，第三开关和第四开关，其中反相单元连接到 LC滤波器，连接在第一开关的公共节点和第二开关之间的第一双向导电路径，以及第一输入电容器和第二输入电容器的公共节点，第二双向导电路径，连接在第三开关的公共节点之间 开关和第四开关，以及第一输入电容器和第二输入电容器的公共节点以及连接在第一开关的公共节点和第二开关之间的飞跨电容器，以及第三开关和第四开关的公共节点 。
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公开(公告)号：US11088632B2
公开(公告)日：2021-08-10
申请号：US16557324
申请日：2019-08-30
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
Abstract: A system includes a first inverter connected between a dc power source and an input terminal of a first leg of a coupled inductor, a second inverter connected between the dc power source and an input terminal of a second leg of the coupled inductor, a third inverter connected between the dc power source and an input terminal of a third leg of the coupled inductor, and an output filter connected between the coupled inductor and an ac power source, wherein output terminals of the first leg, the second leg and the third leg of the coupled inductor are connected together and further connected to the output filter.
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公开(公告)号：US09923485B2
公开(公告)日：2018-03-20
申请号：US14933723
申请日：2015-11-05
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
Abstract: A system comprises a first T-type inverter connected to a dc power source, a second T-type inverter connected to the dc power source, wherein the second T-type inverter is configured to operate with a first phase shift from the first T-type inverter, a third T-type inverter connected to the dc power source, wherein the third T-type inverter is configured to operate with a second phase shift from the second T-type inverter, a coupled inductor having a first input, a second input and a third input connected to the first T-type inverter, the second T-type inverter and the third T-type inverter respectively and an output filter coupled to the output of the coupled inductor.
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公开(公告)号：US20170133947A1
公开(公告)日：2017-05-11
申请号：US14933723
申请日：2015-11-05
Applicant: Futurewei Technologies, Inc.
Inventor： Dianbo Fu , Yunfeng Liu
IPC: H02M7/537
Abstract: A system comprises a first T-type inverter connected to a dc power source, a second T-type inverter connected to the dc power source, wherein the second T-type inverter is configured to operate with a first phase shift from the first T-type inverter, a third T-type inverter connected to the dc power source, wherein the third T-type inverter is configured to operate with a second phase shift from the second T-type inverter, a coupled inductor having a first input, a second input and a third input connected to the first T-type inverter, the second T-type inverter and the third T-type inverter respectively and an output filter coupled to the output of the coupled inductor.
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