Patents by Inventor Srikanth Vijaykumar

Srikanth Vijaykumar 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).

  • Publication number: 20250076347
    Abstract: A system includes an inverter including: a first galvanic isolator separating a primary voltage area from a secondary voltage area; a second galvanic isolator separating the primary voltage area from the secondary voltage area; a first bias network in the secondary voltage area, and connected to the first galvanic isolator; a second bias network in the secondary voltage area, and connected to the second galvanic isolator; a first amplifier in the secondary voltage area, and connected to the first bias network; a second amplifier in the secondary voltage area, and connected to the second bias network; and an open connection detector in the secondary voltage area, the open connection detector connected to the first amplifier and connected to the second amplifier, wherein the open connection detector includes one or more voltage-to-current converters.
    Type: Application
    Filed: August 28, 2023
    Publication date: March 6, 2025
    Applicant: BorgWarner US Technologies LLC
    Inventor: Srikanth Vijaykumar
  • Patent number: 12122251
    Abstract: A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic interface configured to separate a high voltage area from a low voltage area; a low voltage message manager in the low voltage area; a high voltage message manager in the high voltage area, and configured to communicate with the low voltage message manager; and a point-of-use message manager in the high voltage area, and configured to communicate with the high voltage message manager.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: October 22, 2024
    Assignee: BorgWarner US Technologies LLC
    Inventors: Jack Lavern Glenn, Mark Russell Keyse, Peter Allan Laubenstein, Srikanth Vijaykumar
  • Publication number: 20240100966
    Abstract: A system comprises an inverter including a first galvanic isolator separating a low voltage area from a high voltage area, a second galvanic isolator separating the low voltage area from the high voltage area, a first bias network connected to the first galvanic isolator, a second bias network connected to the second galvanic isolator, a first filter connected to the first bias network, a second filter connected to the second bias network, a first amplifier connected to the first filter, a second amplifier connected to the second filter, and an open detector connected to the first amplifier and the second amplifier.
    Type: Application
    Filed: June 21, 2023
    Publication date: March 28, 2024
    Applicant: Delphi Technologies IP Limited
    Inventors: Seyed R. Zarabadi, Srikanth Vijaykumar
  • Publication number: 20240106374
    Abstract: A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic interface configured to separate a high voltage area from a low voltage area; a low voltage message manager in the low voltage area; a high voltage message manager in the high voltage area, and configured to communicate with the low voltage message manager; and a point-of-use message manager in the high voltage area, and configured to communicate with the high voltage message manager.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 28, 2024
    Applicant: Delphi Technologies IP Limited
    Inventors: Jack Lavern Glenn, Mark Russell Keyse, Peter Allan Laubenstein, Srikanth Vijaykumar
  • Publication number: 20240103045
    Abstract: A system includes an inverter including: a first galvanic isolator separating a low voltage area from a high voltage area, the first galvanic isolator having a first galvanic isolator output path; a second galvanic isolator having a second galvanic isolator output path; an amplifier connected to the first galvanic isolator via the first galvanic isolator output path, and connected to the second galvanic isolator via the second galvanic isolator output path, the amplifier having a first amplifier output path and a second amplifier output path; a comparator connected to the amplifier via the first amplifier output path and the second amplifier output path, the comparator having a first comparator output path and a second comparator output path; and a pulse reshape and envelope detector connected to the comparator via the first comparator output path and the second comparator output path.
    Type: Application
    Filed: January 6, 2023
    Publication date: March 28, 2024
    Applicant: Delphi Technologies IP Limited
    Inventors: Srikanth Vijaykumar, Seyed R. Zarabadi
  • Patent number: 11718190
    Abstract: A system comprises an inverter including a first galvanic isolator separating a low voltage area from a high voltage area, a second galvanic isolator separating the low voltage area from the high voltage area, a first bias network connected to the first galvanic isolator, a second bias network connected to the second galvanic isolator, a first filter connected to the first bias network, a second filter connected to the second bias network, a first amplifier connected to the first filter, a second amplifier connected to the second filter, and an open detector connected to the first amplifier and the second amplifier.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: August 8, 2023
    Assignee: Delphi Technologies IP Limited
    Inventors: Seyed R. Zarabadi, Srikanth Vijaykumar