Patents by Inventor Hiroshi YAMAKAJI

Hiroshi YAMAKAJI 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: 9664383
    Abstract: There is provided a denitrification apparatus capable of reducing NOx from a combustion facility and preventing evaporation of a reducing liquid in a lance and an injection nozzle in the combustion facility in operation at a low load by adjusting concentration of a reducing agent, thereby achieving complete evaporation of the reducing liquid in an exhaust gas duct.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: May 30, 2017
    Assignee: BABOCK-HITACHI KABUSHIKI KAISHA
    Inventors: Hiroshi Yamakaji, Ryosuke Nakagawa, Satoru Shishido, Toru Ogasahara
  • Publication number: 20140356236
    Abstract: There is provided a denitrification apparatus capable of reducing NOx from a combustion facility and preventing evaporation of a reducing liquid in a lance and an injection nozzle in the combustion facility in operation at a low load by adjusting concentration of a reducing agent, thereby achieving complete evaporation of the reducing liquid in an exhaust gas duct.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 4, 2014
    Applicant: BABCOCK-HITACHI KABUSHIKI KAISHA
    Inventors: Hiroshi YAMAKAJI, Ryosuke NAKAGAWA, Satoru SHISHIDO, Toru OGASAHARA