Patents by Inventor Takehiko Shirahata

Takehiko Shirahata 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).

  • Fluidized bed incinerator and combustion method in which generation of NOx, CO and dioxine are suppressed
    Patent number: 6789487
    Abstract: A fluidized bed incinerator having a combustion furnace includes first to fourth combustion sections. Fuel is supplied to the first combustion section and an combustion exhaust gas is exhausted after the fourth combustion section. First to fourth airs are supplied to the first to fourth combustion sections in first to fourth air surplus rates, respectively. The second air surplus rate is equal to or more than the first air surplus rate, the third air surplus rate is equal to or more than the second air surplus rate, and the fourth air surplus rate is equal to or more than the third air surplus rate.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: September 14, 2004
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Isao Torii, Kenji Tagashira, Kazuyuki Myouyou, Tatsuo Yokoshiki, Takehiko Shirahata
  • Fluidized bed incinerator and combustion method in which generation of NOx, CO and dioxine are suppressed
    Publication number: 20020066396
    Abstract: A fluidized bed incinerator having a combustion furnace includes first to fourth combustion sections. Fuel is supplied to the first combustion section and an combustion exhaust gas is exhausted after the fourth combustion section. First to fourth airs are supplied to the first to fourth combustion sections in first to fourth air surplus rates, respectively. The second air surplus rate is equal to or more than the first air surplus rate, the third air surplus rate is equal to or more than the second air surplus rate, and the fourth air surplus rate is equal to or more than the third air surplus rate.
    Type: Application
    Filed: December 5, 2001
    Publication date: June 6, 2002
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Isao Torii, Kenji Tagashira, Kazuyuki Myouyou, Tatsuo Yokoshiki, Takehiko Shirahata