Patents by Inventor Going Won Lee

Going Won Lee 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: 8029230
    Abstract: A turbine exhaust system includes an exhaust hood inner casing that involves the turbine rotor; an exhaust hood outer casing that forms an exhaust hood, together with the exhaust hood inner casing; a flow guide that forms an annular diffuser flow path; and exhaust hood upper part flow guides each of which serves as means for separating annular plane upper part exhaust steam within a range including a vertical upward flow out of exhaust steam radially discharging from the flow guide into the exhaust hood, from other exhaust steam, to thereby introduce the separated steam to the condenser, wherein exhaust steam introduction-side end faces thereof are located further toward the upper side than the horizontal plane containing the central axis of the turbine rotor.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: October 4, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Shunsuke Mizumi, Ryuichiro Iwano, Koji Ishibashi, Going Won Lee
  • Publication number: 20090308075
    Abstract: A turbine exhaust system includes an exhaust hood inner casing that involves the turbine rotor; an exhaust hood outer casing that forms an exhaust hood, together with the exhaust hood inner casing; a flow guide that forms an annular diffuser flow path; and exhaust hood upper part flow guides each of which serves as means for separating annular plane upper part exhaust steam within a range including a vertical upward flow out of exhaust steam radially discharging from the flow guide into the exhaust hood, from other exhaust steam, to thereby introduce the separated steam to the condenser, wherein exhaust steam introduction-side end faces thereof are located further toward the upper side than the horizontal plane containing the central axis of the turbine rotor.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 17, 2009
    Applicant: HITACHI, LTD.
    Inventors: Shunsuke MIZUMI, Ryuichiro IWANO, Koji ISHIBASHI, Going Won LEE
  • Patent number: 7600962
    Abstract: A turbine exhaust system includes an exhaust hood inner casing that involves the turbine rotor; an exhaust hood outer casing that forms an exhaust hood, together with the exhaust hood inner casing; a flow guide that forms an annular diffuser flow path; and exhaust hood upper part flow guides each of which serves as means for separating annular plane upper part exhaust steam within a range including a vertical upward flow out of exhaust steam radially discharging from the flow guide into the exhaust hood, from other exhaust steam, to thereby introduce the separated steam to the condenser, wherein exhaust steam introduction-side end faces thereof are located further toward the upper side than the horizontal plane containing the central axis of the turbine rotor.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: October 13, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Shunsuke Mizumi, Ryuichiro Iwano, Koji Ishibashi, Going Won Lee