Patents by Inventor Kyu Bok Ahn

Kyu Bok Ahn 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).

  • METHOD FOR MANUFACTURING INNER STRUCTURE OF REGENERATIVE COOLING TYPE COMBUSTION CHAMBER
    Publication number: 20140007412
    Abstract: The present invention relates to a method for manufacturing an inner structure of a regenerative cooling type combustion chamber, and more specifically to a method for manufacturing the inner structure of the regenerative cooling type combustion chamber, including the steps of: manufacturing a cylinder structure by performing a vacuum casting process or an air casting process for a copper alloy; manufacturing a circular plate having a constant thickness by forging and rolling the cylinder structure; thermally and mechanically processing the circular plate; spinning the circular plate to manufacture the shape of the regenerative cooling type combustion chamber; and thermally processing the shape of the regenerative cooling type combustion chamber.
    Type: Application
    Filed: December 23, 2011
    Publication date: January 9, 2014
    Applicant: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Chul Sung Ryu, Hwan Seok Choi, Keum Oh Lee, Jong Gyu Kim, Byoung Jik Lim, Kyu Bok Ahn, Mun Ki Kim