Patents by Inventor Young Hwa KWON

Young Hwa KWON 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).

  • Patent number: 11952968
    Abstract: The present invention relates a safety ignition device for a high altitude dual pulse motor according to the present invention, and can prevent accidental ignition of an ignition device or a propulsion engine while efficiently using a space by installing the safety ignition device in front of a combustion pipe, increase the reliability of ignition, and maintain the air tightness of the inside of the propulsion engine and the ignition device even in a high altitude environment.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: April 9, 2024
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Seung Gyo Jang, Doo Hee Han, Young Hwa Kwon
  • Publication number: 20240026840
    Abstract: The present invention relates a safety ignition device for a high altitude dual pulse motor according to the present invention, and can prevent accidental ignition of an ignition device or a propulsion engine while efficiently using a space by installing the safety ignition device in front of a combustion pipe, increase the reliability of ignition, and maintain the air tightness of the inside of the propulsion engine and the ignition device even in a high altitude environment.
    Type: Application
    Filed: July 18, 2023
    Publication date: January 25, 2024
    Inventors: Seung Gyo JANG, Doo Hee HAN, Young Hwa KWON