Patents by Inventor Kaiyong Cui

Kaiyong Cui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rectifier in low gain wireless power transfer system
    Patent number: 11811241
    Abstract: An apparatus includes a controller configured to control switches of a rectifier circuit, wherein the rectifier circuit is coupled to two terminals of a receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, and wherein in response to a high system gain of the wireless power transfer system, the controller configures the rectifier circuit as a half-bridge rectifier, and in response to a low system gain of the wireless power transfer system, the controller configures the rectifier circuit as a full-bridge rectifier.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 7, 2023
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Kaiyong Cui, Zhengyu Li, Zeng Li, Zhijun Luo
  • Rectifier in low gain wireless power transfer system
    Patent number: 11811240
    Abstract: An apparatus includes a receiver coil configured to be magnetically coupled to a transmitter coil, and a rectifier circuit coupled to two terminals of the receiver coil, wherein in response to a high system gain of the apparatus, the rectifier circuit is configured as a half-bridge rectifier, and in response to a low system gain of the apparatus, the rectifier circuit is configured as a full-bridge rectifier.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: November 7, 2023
    Assignee: Nuvolta Technologies (Hefei) Co., Ltd.
    Inventors: Kaiyong Cui, Zhengyu Li, Zeng Li, Zhijun Luo
  • Low gain wireless power transfer system and method
    Patent number: 11770026
    Abstract: An apparatus includes a controller configured to control switches of a receiver, the receiver comprising a first receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, a rectifier circuit coupled to two terminals of the first receiver coil, a second receiver coil and a first auxiliary switch, wherein the second receiver coil is connected in series with the first auxiliary switch, and the second receiver coil is configured to be magnetically coupled to the transmitter coil, and wherein in response to a low power mode of the apparatus, the controller is configured to turn on the first auxiliary switch such that the first receiver coil and the second receiver coil are connected in series to boost a gain of the wireless power transfer system.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: September 26, 2023
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zhengyu Li, Kaiyong Cui, Zeng Li, Zhijun Luo, Min Yang
  • Low gain wireless power transfer system and method
    Patent number: 11764611
    Abstract: An apparatus includes a first receiver coil configured to be magnetically coupled to a transmitter coil, a rectifier circuit coupled to two terminals of the first receiver coil, a second receiver coil and a first auxiliary switch connected in series, wherein the second receiver coil is configured to be magnetically coupled to the transmitter coil, and in response to a low power mode of the apparatus, the first auxiliary switch is configured to be turned on such that the first receiver coil and the second receiver coil are connected in series to boost a gain of the apparatus.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: September 19, 2023
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zhengyu Li, Kaiyong Cui, Zeng Li, Zhijun Luo, Min Yang
  • Rectifier in Low Gain Wireless Power Transfer System
    Publication number: 20220320905
    Abstract: An apparatus includes a receiver coil configured to be magnetically coupled to a transmitter coil, and a rectifier circuit coupled to two terminals of the receiver coil, wherein in response to a high system gain of the apparatus, the rectifier circuit is configured as a half-bridge rectifier, and in response to a low system gain of the apparatus, the rectifier circuit is configured as a full-bridge rectifier.
    Type: Application
    Filed: April 19, 2021
    Publication date: October 6, 2022
    Inventors: Kaiyong Cui, Zhengyu Li, Zeng Li, Zhijun Luo
  • Rectifier in Low Gain Wireless Power Transfer System
    Publication number: 20220320907
    Abstract: An apparatus includes a controller configured to control switches of a rectifier circuit, wherein the rectifier circuit is coupled to two terminals of a receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, and wherein in response to a high system gain of the wireless power transfer system, the controller configures the rectifier circuit as a half-bridge rectifier, and in response to a low system gain of the wireless power transfer system, the controller configures the rectifier circuit as a full-bridge rectifier.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 6, 2022
    Inventors: Kaiyong Cui, Zhengyu Li, Zeng Li, Zhijun Luo
  • Low Gain Wireless Power Transfer System and Method
    Publication number: 20220302759
    Abstract: An apparatus includes a controller configured to control switches of a receiver, the receiver comprising a first receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, a rectifier circuit coupled to two terminals of the first receiver coil, a second receiver coil and a first auxiliary switch, wherein the second receiver coil is connected in series with the first auxiliary switch, and the second receiver coil is configured to be magnetically coupled to the transmitter coil, and wherein in response to a low power mode of the apparatus, the controller is configured to turn on the first auxiliary switch such that the first receiver coil and the second receiver coil are connected in series to boost a gain of the wireless power transfer system.
    Type: Application
    Filed: August 23, 2021
    Publication date: September 22, 2022
    Inventors: Zhengyu Li, Kaiyong Cui, Zeng Li, Zhijun Luo, Min Yang
  • Low Gain Wireless Power Transfer System and Method
    Publication number: 20220302758
    Abstract: An apparatus includes a first receiver coil configured to be magnetically coupled to a transmitter coil, a rectifier circuit coupled to two terminals of the first receiver coil, a second receiver coil and a first auxiliary switch connected in series, wherein the second receiver coil is configured to be magnetically coupled to the transmitter coil, and in response to a low power mode of the apparatus, the first auxiliary switch is configured to be turned on such that the first receiver coil and the second receiver coil are connected in series to boost a gain of the apparatus.
    Type: Application
    Filed: April 22, 2021
    Publication date: September 22, 2022
    Inventors: Zhengyu Li, Kaiyong Cui, Zeng Li, Zhijun Luo, Min Yang