公开(公告)号：WO2018222287A1

公开(公告)日：2018-12-06

申请号：PCT/US2018/028232

申请日：2018-04-19

Applicant: GENERAL ELECTRIC COMPANY

Inventor： KANAKASABAI, Viswanathan ,  BHAT, Suma Memana, Narayana ,  RAGHUNATHAN, Arun, Kumar ,  BHUJADE, Rahul ,  BHOGINENI, Satishbabu ,  RAMACHANDRAPANICKER, Somakumar

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/90 ,  H02J7/02 ,  H02J5/00

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).

公开(公告)号：WO2018111424A3

公开(公告)日：2018-06-21

申请号：PCT/US2017/058983

申请日：2017-10-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： KANAKASABAI, Viswanathan ,  RAGHUNATHAN, Arun Kumar ,  BHOGINENI, Satishbabu

IPC: H02J50/90 ,  H02J5/00

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.

公开(公告)号：WO2018111424A2

公开(公告)日：2018-06-21

申请号：PCT/US2017/058983

申请日：2017-10-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： KANAKASABAI, Viswanathan ,  RAGHUNATHAN, Arun Kumar ,  BHOGINENI, Satishbabu

IPC: H02J50/90 ,  H02J5/00

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.

公开(公告)号：WO2018217336A1

公开(公告)日：2018-11-29

申请号：PCT/US2018/028229

申请日：2018-04-19

Applicant: GENERAL ELECTRIC COMPANY

Inventor： KANAKASABAI, Viswanathan ,  BHOGINENI, Satishbabu ,  BHUJADE, Rahul ,  RAGHUNATHAN, Arun, Kumar ,  BHAT, Suma, Memana Narayana ,  RAMACHANDRAPANICKER, Somakumar, Nmn

IPC: H02M3/156 ,  H02M1/08 ,  H02M1/00

Abstract: A power transfer device (102) is disclosed. The power transfer device (102) includes a driver unit (108). The driver unit (108) includes a plurality of converters (112, 114, 116, 117) including a plurality of legs (118, 120, 122, 124, 125) coupled to each other, where at least one leg of each of the plurality of converters (112, 114, 116, 117) is common to another power converter of the plurality of converters (112, 114, 116, 117), and where each of the plurality of converters (112, 114, 116, 117) includes an output terminal (204, 206, 208, 210, 304, 406, 408). Further, the driver unit (108) includes at least one transmitter coil (110a, 110b, 110c, 110d), where the at least one transmitter coil (110a, 110b, 110c, 110d) is coupled to the corresponding output terminal (204, 206, 208, 210, 304, 406, 408).

公开(公告)号：WO2018222429A1

公开(公告)日：2018-12-06

申请号：PCT/US2018/033652

申请日：2018-05-21

Applicant: GENERAL ELECTRIC COMPANY

Inventor： BHAT, Suma Memana, Narayana ,  KANAKASABAI, Viswanathan ,  RAGHUNATHAN, Arun, Kumar ,  BHUJADE, Rahul ,  BHOGINENI, Satishbabu ,  RAMACHANDRAPANICKER, Somakumar

IPC: H02J50/40 ,  H02J50/70 ,  H02J50/90

Abstract: A transmitting assembly (114, 214, 334) configured to transmit electric power in a universal wireless charging device (102, 200, 302) is presented. The transmitting assembly (114, 214, 334) includes a first coil (116, 216, 316) embedded in a printed circuit board (220) and configured to transmit a first AC voltage signal having a first frequency. Also, the transmitting assembly (114, 214, 334) includes a second coil (118, 218, 318) disposed on the printed circuit board (220) and configured to transmit a second AC voltage signal having a second frequency, wherein the second frequency is different from the first frequency, and wherein the first AC voltage signal having the first frequency and the second AC voltage signal having the second frequency are used to wirelessly charge a plurality of receiver devices (104, 106) having different frequency standards.