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公开(公告)号：US20200274390A1
公开(公告)日：2020-08-27
申请号：US16604593
申请日：2018-03-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Suma Memana Narayana BHAT , Somakumar RAMACHANDRAPANICKER , Arun Kumar RAGHUNATHAN , Viswanathan KANAKASABAI , Deepak ARAVIND
Abstract: A wireless power transceiver (WPT) device (102) is disclosed. The WPT device (102) includes an energy module (110) and a magnetic interfacing unit (114) comprising a transceiver coil (128). Further, the WPT device (102) includes a controller (116) configured to generate one of a first control signal and a second control signal based on at least one first parameter of the energy module (110) and at least one second parameter of one of a plurality of external devices (104). Also, the WPT device (102) includes a bi-directional driver (112) configured to transmit at least one of a first AC signal and a second AC signal through the transceiver coil (128) if the first control signal is received from the controller (116), and receive at least one of the first AC signal and the second AC signal if the second control signal is received from the controller (116).
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公开(公告)号：US20200153283A1
公开(公告)日：2020-05-14
申请号：US16616914
申请日：2018-04-19
Applicant: General Electric Company
Inventor： Viswanathan KANAKASABAI , Suma Memana Narayana BHAT , Arun Kumar RAGHUNATHAN , Rahul BHUJADE , Satishbabu BHOGINENI , Somakumar RAMACHANDRAPANICKER
Abstract: A wireless charging device (102) includes a driver unit (110) configured to generate one of a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Also, the wireless charging device (102) includes a transmitting unit (114) having a first coil (130) and a first capacitor (132) and configured to transmit the first AC voltage signal. Further, the transmitting unit (114) includes a second coil (134) and a second capacitor (136) and configured to transmit the second AC voltage signal. Additionally, the wireless charging device (102) includes a control unit (112) configured to detect a first receiver device (104) operating at the first frequency based on a change in a first voltage in the transmitting unit (114), and detect a second receiver device (106) operating at the second frequency based on a change in a second voltage in the transmitting unit (114).
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公开(公告)号：US20200153277A1
公开(公告)日：2020-05-14
申请号：US16619428
申请日：2018-04-30
Applicant: General Electric Company
Inventor： Sivabalan MOHAN , Rejendra NAIK , Arun Kumar RAGHUNATHAN , Somakumar Nmn RAMACHANDRAPANICKER
Abstract: A wireless charging device (102) is disclosed. The wireless charging device (102) includes a transmitter detection coil (130) configured to receive a first alternating current (AC) voltage signal having a characteristic associated with a receiver device (104). Also, the wireless charging device (102) includes a control unit (112) coupled to the transmitter detection coil (130) and configured to detect the receiver device (104) based on the characteristic of the first AC voltage signal. Further, the wireless charging device (102) includes a driver unit (108) coupled to the control unit (112) and configured to convert a direct current (DC) voltage signal of an input power to a second AC voltage signal if the receiver device (104) is detected. In addition, the wireless charging device (102) includes a power transmission coil (116) configured to wirelessly transmit the second AC voltage signal to the receiver device (104).
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公开(公告)号：US20160043568A1
公开(公告)日：2016-02-11
申请号：US14807427
申请日：2015-07-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Arun Kumar RAGHUNATHAN , Somakumar RAMACHANDRAPANICKER , Suma Memana Narayana BHAT , Satishbabu BHOGINENI
CPC classification number: B60L11/182 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/50 , H02J50/80 , H02J50/90
Abstract: A contactless power transfer system is provided. The contactless power transfer system includes a first power exchanging coil configured to exchange power, a power mating coil operatively coupled to a switching unit, and a controller operatively coupled to the switching unit. The controller is configured to control switching operations of the switching unit to actively control a current in the power mating coil to match an impedance of the first power exchanging coil and enable the exchange of power.
Abstract translation: 提供非接触式电力传输系统。 非接触式电力传输系统包括被配置为交换电力的第一电力交换线圈，可操作地耦合到开关单元的电力配合线圈以及可操作地耦合到开关单元的控制器。 控制器被配置为控制开关单元的开关操作以主动地控制电力匹配线圈中的电流以匹配第一功率交换线圈的阻抗并且实现功率的交换。
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公开(公告)号：US20140062181A1
公开(公告)日：2014-03-06
申请号：US14012245
申请日：2013-08-28
Applicant: General Electric Company
IPC: H01F38/14
CPC classification number: H01F38/14 , B60L11/182 , B60L11/1825 , B60L11/1833 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/90 , Y02T10/7005 , Y02T10/7072 , Y02T90/121 , Y02T90/122 , Y02T90/125 , Y02T90/128 , Y02T90/14
Abstract: A contactless power transfer system comprising a power exchanging coil configured to exchange power via a magnetic field, a field focusing element for focusing the magnetic field, and a compensation coil having a resonance frequency different from a resonance frequency of the field focusing element for matching an impedance of the contactless power transfer system and compensating a change in phase resulting from a misalignment in the contactless power transfer system.
Abstract translation: 一种非接触式电力传输系统，包括被配置为经由磁场交换电力的功率交换线圈，用于聚焦磁场的场聚焦元件和具有与场聚焦元件的谐振频率不同的谐振频率的补偿线圈，用于匹配 非接触式电力传输系统的阻抗并且补偿由非接触式电力传输系统中的未对准产生的相位变化。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200099256A1
公开(公告)日：2020-03-26
申请号：US16469531
申请日：2017-10-30
Applicant: GENERAL ELECTRIC COMPANY
Abstract: A calibration device includes a controller configured to communicate a plurality of input voltage signals having different determined frequencies to a first power exchange coil. Also, the calibration device includes a load unit coupled to a second power exchange coil, where the load unit includes at least a first electrical load and a second electrical load. Further, the calibration device includes a voltage sensor configured to measure a plurality of first output voltage signals across the first electrical load and a plurality of second output voltage signals across the second electrical load, and where the controller is configured to determine an optimal operating frequency of a wireless power transfer system based on the plurality of input voltage signals, the plurality of first output voltage signals, and the plurality of second output voltage signals.
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7.发明申请公开(公告)号：US20190326769A1
公开(公告)日：2019-10-24
申请号：US16469525
申请日：2017-10-28
Applicant: GENERAL ELECTRIC COMPANY
Abstract: A charging pad (104) includes a power drive unit (110) and a transmitting unit (112). The power drive unit (110) includes a first oscillator (114) to generate a first AC voltage signal having a first frequency, and a first amplifier (118) to amplify the first AC voltage signal. Also, the power drive unit (110) includes a second oscillator (116) to generate a second AC voltage signal having a second frequency, and a second amplifier (120) to amplify the second AC voltage signal. Additionally, the power drive unit (110) includes an adder (122) to combine the amplified first AC voltage signal and the amplified second AC voltage signal. Furthermore, the transmitting unit (112) includes a first frequency coil (150) configured to transmit the amplified first AC voltage signal having the first frequency, and a second frequency coil (152) configured to transmit the amplified second AC voltage signal having the second frequency.
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公开(公告)号：US20180041066A1
公开(公告)日：2018-02-08
申请号：US15668067
申请日：2017-08-03
Applicant: General Electric Company
Inventor： Pradeep VIJAYAN , Somakumar RAMACHANDRAPANICKER , Deepak ARAVIND , Arun Kumar RAGHUNATHAN , VIshnu MAHADEVA IYER
Abstract: A charging pad for charging one or more receiver devices is disclosed. The charging pad includes at least one first resonator coil operable at a first frequency band and at least one second resonator coil operable at a second frequency band. Further, the charging pad includes at least one exciter coil magnetically coupled to the at least one first resonator coil and the at least one second resonator coil. In addition, the charging pad includes an excitation unit operationally coupled to the at least one exciter coil and configured to drive the at least one first resonator coil and the at least one second resonator coil via the at least one exciter coil.
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公开(公告)号：US20180041065A1
公开(公告)日：2018-02-08
申请号：US15667444
申请日：2017-08-02
Applicant: General Electric Company
Inventor： Pradeep VIJAYAN , Somakumar RAMACHANDRAPANICKER , Deepak ARAVIND , Arun Kumar RAGHUNATHAN , Vishnu Mahadeva IYER
IPC: H02J7/02 , H02M7/5387 , H01F38/14 , H02J50/40 , H02J50/10
CPC classification number: H02J7/025 , H01F38/14 , H02J50/10 , H02J50/40 , H02M7/53871
Abstract: A charging pad for charging one or more receiver devices is disclosed. The charging pad includes at least one first frequency coil operable at a first frequency band. Further, the charging pad includes at least one second frequency coil operable at a second frequency band different from the first frequency band. Also, the charging pad includes an excitation unit operationally coupled to the at least one first frequency coil and the at least one second frequency coil and configured to drive the at least one first frequency coil and the at least one second frequency coil.
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公开(公告)号：US20160105036A1
公开(公告)日：2016-04-14
申请号：US14878554
申请日：2015-10-08
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Arun Kumar RAGHUNATHAN , Somakumar RAMACHANDRAPANICKER , Suma Memana Narayana BHAT , Rijin SASEENDRAN , Adnan Kutubuddin BOHORI , Dinkar AGRAWAL
CPC classification number: H02J5/005 , H01F38/14 , H02J7/0042 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/80
Abstract: A system including a primary coil assembly is provided. The primary coil assembly is configured to operate at a first resonant frequency having a first bandwidth; wherein a difference between the first resonant frequency and a system frequency is at least two times the first bandwidth, where the first resonant frequency is selected such that upon energizing the primary coil assembly at the system frequency, a primary current is induced in the primary coil assembly, which is at least ten times lesser than a system current.
Abstract translation: 提供了包括初级线圈组件的系统。 初级线圈组件被配置为在具有第一带宽的第一谐振频率下工作; 其中所述第一谐振频率和系统频率之间的差异是所述第一带宽的至少两倍，其中所述第一谐振频率被选择为使得在所述初级线圈组件以系统频率通电时，在所述初级线圈中感应出初级电流 组装，比系统电流少至少十倍。
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