Patents by Inventor Katsuji Hamasaki

Katsuji Hamasaki 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).

  • Pressure fluidized bed firing boiler
    Patent number: 5143024
    Abstract: A support structure supports a fluidized bed firing boiler disposed within a cylindrical pressure vessel and operated while the inside of a fluidized bed furnace is kept pressurized. A main body of the pressure fluidized bed firing boiler disposed within the pressure vessel is divided into a suspended section suspended from a support beam disposed at an upper interior portion within the pressure vessel, and a bottom-supported section supported by a support beam disposed at a lower interior portion of the pressure vessel. Also, a metallic expansion joint in the form of an undulated plate is provided at a point of engagement between the suspended section and the bottom-supported section.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: September 1, 1992
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Tomomitsu Yokoyama, Katsuji Hamasaki, Koichiro Otsubo