Patents by Inventor Cheahong CHOI

Cheahong CHOI 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).

  • Turbine including flue gas recirculation combustor
    Patent number: 10590847
    Abstract: A flue gas recirculation combustor includes a combustor chamber configured such that fuel and combustion gas are injected therein to cause combustion and having a nozzle-side end and a combustor outlet, a nozzle can connected to the nozzle-side end of the combustor chamber, a plurality of nozzles disposed in the nozzle can and configured such that an injection direction thereof is directed to a side of the combustor chamber, and a sleeve disposed in a premixing space defined between the nozzle can and the nozzle-side end of the combustor chamber, the sleeve including a recirculation pathway to recirculate combustion air from the combustor chamber to the premixing space.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: March 17, 2020
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Hokeun Kim, Sunghyun Kim, Cheahong Choi
  • TURBINE INCLUDING FLUE GAS RECIRCULATION COMBUSTOR
    Publication number: 20180171869
    Abstract: A flue gas recirculation combustor includes a combustor chamber configured such that fuel and combustion gas are injected therein to cause combustion and having a nozzle-side end and a combustor outlet, a nozzle can connected to the nozzle-side end of the combustor chamber, a plurality of nozzles disposed in the nozzle can and configured such that an injection direction thereof is directed to a side of the combustor chamber, and a sleeve disposed in a premixing space defined between the nozzle can and the nozzle-side end of the combustor chamber, the sleeve including a recirculation pathway to recirculate combustion air from the combustor chamber to the premixing space.
    Type: Application
    Filed: November 14, 2017
    Publication date: June 21, 2018
    Inventors: Hokeun KIM, Sunghyun KIM, Cheahong CHOI