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公开(公告)号：US11588349B2
公开(公告)日：2023-02-21
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 includes a driver unit 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 includes a transmitting unit having a first coil and a first capacitor and configured to transmit the first AC voltage signal. Further, the transmitting unit includes a second coil and a second capacitor and configured to transmit the second AC voltage signal. Additionally, the wireless charging device includes a control unit configured to detect a first receiver device operating at the first frequency based on a change in a first voltage in the transmitting unit, and detect a second receiver device operating at the second frequency based on a change in a second voltage in the transmitting unit.
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公开(公告)号：US09780575B2
公开(公告)日：2017-10-03
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.
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公开(公告)号：US09678115B2
公开(公告)日：2017-06-13
申请号：US14276175
申请日：2014-05-13
Applicant: General Electric Company
Inventor： Arun Kumar Raghunathan , Amol Rajaram Kolwalkar , Sameer Dinkar Vartak , Abhijeet Arvind Kulkarni , Charles Brendan O'Sullivan
CPC classification number: G01R19/0084 , G01R15/06 , G01R15/16
Abstract: A contactless voltage sensing device configured to measure a voltage value of a conductor is provided. The contactless voltage sensing device includes a first impedance element having a first impedance, where the first impedance element is configured to be operatively coupled to the conductor. Further, the contactless voltage sensing device includes an antenna operatively coupled to the first impedance element, a second impedance element having a second impedance, where the second impedance element is formed in part by the antenna and a parasitic impedance element, and where the parasitic impedance element includes a parasitic impedance, and measurement and communication circuitry coupled to the first impedance element to measure the voltage value of the conductor.
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公开(公告)号：US11616399B2
公开(公告)日：2023-03-28
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 includes a driver unit 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 includes a transmitting unit having a first coil and a first capacitor and configured to transmit the first AC voltage signal. Further, the transmitting unit includes a second coil and a second capacitor and configured to transmit the second AC voltage signal. Additionally, the wireless charging device includes a control unit configured to detect a first receiver device operating at the first frequency based on a change in a first voltage in the transmitting unit, and detect a second receiver device operating at the second frequency based on a change in a second voltage in the transmitting unit.
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公开(公告)号：US10897153B2
公开(公告)日：2021-01-19
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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Patent Agency Ranking
公开(公告)号：US10317484B2
公开(公告)日：2019-06-11
申请号：US15517132
申请日：2015-10-08
Applicant: General Electric Company
Inventor： Viswanathan Kanakasabai , Adnan Kutubuddin Bohori , Rajendra Naik , Suma Memana Narayana Bhat , Arun Kumar Raghunathan
IPC: G01V3/00 , G01R33/385 , A61B5/055 , G01R33/36
Abstract: A gate driver unit is presented. The gate driver unit includes a first power exchanging coil operatively coupled to a power source. The gate driver unit includes a second power exchanging coil configured to receive power from the first power exchanging coil via a magnetic field and a field focusing element disposed between the first power exchanging coil and the second power exchanging coil and configured to focus the magnetic field onto the second power exchanging coil. The gate driver unit also includes a first circuit coupled to the second power exchanging coil. The gate driver unit includes a gate drive subunit operatively coupled to the first circuit and configured to provide an output signal to a control terminal corresponding to a controllable switch of a second circuit. A magnetic resonance imaging system and a method of contactless power transfer in a magnetic resonance imaging system are also presented.
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公开(公告)号：US09759798B2
公开(公告)日：2017-09-12
申请号：US14276253
申请日：2014-05-13
Applicant: General Electric Company
Inventor： Amol Rajaram Kolwalkar , Sameer Dinkar Vartak , Arun Kumar Raghunathan , Abhijeet Arvind Kulkarni , Charles Brendan O'Sullivan
CPC classification number: G01R35/005 , G01R15/144 , G01R19/2503
Abstract: A calibration method for enhancing a measurement accuracy of one or more voltage sensing devices in presence of a plurality of conductors is provided. The method includes operatively coupling at least one voltage sensing device of the one or more voltage sensing devices to a respective conductor of the plurality of conductors and determining a sensed voltage value of the respective conductor using the at least one voltage sensing device The method further includes determining a calibration matrix having cross-coupling factors representative of cross-coupling between an antenna of the at least one voltage sensing device and other conductors of the plurality of conductors and determining a corrected voltage value of the respective conductor by deducting at least in part contributions of the cross-coupling from the sensed voltage value of the respective conductor using the calibration matrix.
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公开(公告)号：US20170209127A1
公开(公告)日：2017-07-27
申请号：US15328540
申请日：2015-07-28
Applicant: General Electric Company
Inventor： Arun Kumar Raghunathan , Sigmund Frigstad , Adnan Bohori , Srinivas Varna , Viswanathan Kanakasabai , Suma Memana Narayana Bhat
CPC classification number: A61B8/56 , A61B8/4427 , A61B8/4433 , A61B8/4472 , G01S7/52096 , H02J7/025 , H02J50/10 , H02J50/40
Abstract: A wireless charging system for wirelessly charging an ultrasound imaging system is disclosed. The wireless charging system comprise one or more primary coils connected to a power source and is capable of transmitting power from the power source. The primary coil of the one or more primary coils is disposed in a charging unit of the ultrasound imaging system. One or more secondary coils are configured to receive power transmitted from the primary coil. One or more field focusing elements are positioned between the primary coil and the secondary coil. A field focusing element is capable of focusing the magnetic field from the primary coil onto the secondary coil for wirelessly transferring power to one or more of the ultrasound device and the probe of the ultrasound imaging system.
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公开(公告)号：US20150331017A1
公开(公告)日：2015-11-19
申请号：US14276175
申请日：2014-05-13
Applicant: General Electric Company
Inventor： Arun Kumar Raghunathan , Amol Rajaram Kolwalkar , Sameer Dinkar Vartak , Abhijeet Arvind Kulkarni , Charles Brendan O'Sullivan
IPC: G01R19/00 , G01R21/00 , G01R31/302
CPC classification number: G01R19/0084 , G01R15/06 , G01R15/16
Abstract: A contactless voltage sensing device configured to measure a voltage value of a conductor is provided. The contactless voltage sensing device includes a first impedance element having a first impedance, where the first impedance element is configured to be operatively coupled to the conductor. Further, the contactless voltage sensing device includes an antenna operatively coupled to the first impedance element, a second impedance element having a second impedance, where the second impedance element is formed in part by the antenna and a parasitic impedance element, and where the parasitic impedance element includes a parasitic impedance, and measurement and communication circuitry coupled to the first impedance element to measure the voltage value of the conductor.
Abstract translation: 提供了一种被配置为测量导体的电压值的非接触式电压感测装置。 非接触式电压感测装置包括具有第一阻抗的第一阻抗元件，其中第一阻抗元件被配置为可操作地耦合到导体。 此外，非接触电压感测装置包括可操作地耦合到第一阻抗元件的天线，具有第二阻抗的第二阻抗元件，其中第二阻抗元件部分地由天线和寄生阻抗元件形成，并且其中寄生阻抗 元件包括寄生阻抗，以及耦合到第一阻抗元件的测量和通信电路，以测量导体的电压值。
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公开(公告)号：US11798737B2
公开(公告)日：2023-10-24
申请号：US17541891
申请日：2021-12-03
Applicant: General Electric Company
Inventor： Suma Memana Narayana Bhat , Deepak Aravind , Somakumar Ramachandrapanicker , Arun Kumar Raghunathan
CPC classification number: H01F38/14 , H02J7/0042 , H02J50/12 , H02J50/40
Abstract: A charging pad for charging one or more receiver devices is disclosed. The charging pad includes a power drive unit configured to generate a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Further, the charging pad includes a transmitting unit including a single power exchange coil coupled to the power drive unit, wherein the single power exchange coil includes a first coil segment configured to transmit the first AC voltage signal having the first frequency when the first AC voltage signal is received from the power drive unit. Also, the single power exchange coil includes a second coil segment configured to transmit the second AC voltage signal having the second frequency when the second AC voltage signal is received from the power drive unit.
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