Patents by Inventor Kyu-Cheol Ahn

Kyu-Cheol 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).

  • Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same
    Patent number: 7588717
    Abstract: The present invention relates to an apparatus for manufacturing compacted irons and an apparatus for manufacturing molten irons using the same. The apparatus for manufacturing compacted irons according to the present invention includes a charging hopper into which reduced materials containing fine reduced irons are charged, screw feeders installed inside the charging hopper to make an acute angle with a vertical direction and discharging the reduced materials containing fine reduced irons which enter into the charging hopper, and a couple of rolls separated from each other to form a gap between the rolls. The couple of rolls compact the reduced materials containing fine reduced irons discharged from the charging hopper by the screw feeders and manufacture compacted irons. Each screw feeders is arranged side by side along an axis direction of the couple of rolls and an extension of the center axis of each screw feeder passes through the gap.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: September 15, 2009
    Assignee: POSCO
    Inventors: Kwang-Hee Lee, Sung-Kee Shin, Il-Hyun Cho, Do-Seung Kim, Hyun-Uck Sung, Deuk-Chae Kim, Byung-Sik Ahn, Kyu-Cheol Ahn, Myung-Ho Cho, Myung-Chan Shin
  • Apparatus for Manufacturing Compacted Irons of Reduced Materials Comprising Fine Direct Reduced Irons and Apparatus for Manufacturing Molten Irons Using the Same
    Publication number: 20070235909
    Abstract: The present invention relates to an apparatus for manufacturing compacted irons and an apparatus for manufacturing molten irons using the same. The apparatus for manufacturing compacted irons according to the present invention includes a charging hopper into which reduced materials containing fine reduced irons are charged, screw feeders installed inside the charging hopper to make an acute angle with a vertical direction and discharging the reduced materials containing fine reduced irons which enter into the charging hopper, and a couple of rolls separated from each other to form a gap between the rolls. The couple of rolls compact the reduced materials containing fine reduced irons discharged from the charging hopper by the screw feeders and manufacture compacted irons. Each screw feeders is arranged side by side along an axis direction of the couple of rolls and an extension of the center axis of each screw feeder passes through the gap.
    Type: Application
    Filed: July 12, 2005
    Publication date: October 11, 2007
    Applicant: Posco
    Inventors: Kwang-Hee Lee, Sung-Kee Shin, Ii-Hyun Cho, Do-Seung Kim, Hyun-Uck Sung, Deuk-Chae Kim, Byung-Sik Ahn, Kyu-Cheol Ahn, Myung-Ho Cho, Myung-Chan Shin