Patents by Inventor Frank Engl

Frank Engl 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).

  • Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace
    Patent number: 7156371
    Abstract: A device for closing or opening an opening, in particular a filling or bottom opening (11) of a material bunker (12) arranged above the furnace throat of a blast furnace, including a tilting disk (10) connectable to a drive. The tilting disk (10) is articulated to two swivel arms (15, 16) pivotably mounted about two swivel axes (13, 14) extending parallel to each other, and to be more precise, in such a manner that the edge areas of the tilting disk (10) situated on a perpendicular to the swivel axes (13, 14) of the two swivel arms (15, 16), upon a movement of these arms, move from the closed into the opened position, and vice versa, along oppositely directed arc paths (23, 24).
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: January 2, 2007
    Assignee: Z&J Technologies GmbH
    Inventors: Frank Engl, Franz-Josef Irnich, Arno Korbmacher
  • Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace
    Publication number: 20040262324
    Abstract: A device for closing or opening an opening, in particular a filling or bottom opening (11) of a material bunker (12) arranged above the furnace throat of a blast furnace, including a tilting disk (10) connectable to a drive. The tilting disk (10) is articulated to two swivel arms (15, 16) pivotably mounted about two swivel axes (13, 14) extending parallel to each other, and to be more precise, in such a manner that the edge areas of the tilting disk (10) situated on a perpendicular to the swivel axes (13, 14) of the two swivel arms (15, 16), upon a movement of these arms, move from the closed into the opened position, and vice versa, along oppositely directed arc paths (23, 24).
    Type: Application
    Filed: June 16, 2004
    Publication date: December 30, 2004
    Inventors: Frank Engl, Franz-Josef Irnich, Arno Korbmacher