Patents by Inventor Chikako Oto

Chikako Oto 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).

  • Combined cycle power plant
    Patent number: 6604354
    Abstract: A combined cycle power plant generally comprises a gas turbine power facility, a heat recovery steam generator, a steam turbine power facility, and an existing boiler. The power generation plant further comprises a system for introducing steam, which is generated in the heat recovery steam generator and the existing boiler, to the steam turbine of the steam turbine power facility through steam lines, which extend from the existing boiler and heat recovery steam generator and are then joined together, and a system for causing a line, which is arranged on a downstream side of a condenser provided in the steam turbine power facility, to branch off into feedwater lines, and supplying condensed water condensed by the condenser into the heat recovery steam generator and the existing boiler.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: August 12, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Chikako Oto, Ryou Oda, Sachio Shibuya, Takehiro Isu, Yoichi Sugimori
  • Combined cycle power plant
    Publication number: 20020059792
    Abstract: A combined cycle power plant generally comprises a gas turbine power facility, a heat recovery steam generator, a steam turbine power facility, and an existing boiler. The power generation plant further comprises a system for introducing steam, which is generated in the heat recovery steam generator and the existing boiler, to the steam turbine of the steam turbine power facility through steam lines, which extend from the existing boiler and heat recovery steam generator and are then joined together, and a system for causing a line, which is arranged on a downstream side of a condenser provided in the steam turbine power facility, to branch off into feedwater lines, and supplying condensed water condensed by the condenser into the heat recovery steam generator and the existing boiler.
    Type: Application
    Filed: November 19, 2001
    Publication date: May 23, 2002
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Chikako Oto, Ryou Oda, Sachio Shibuya, Takehiro Isu, Yoichi Sugimori