Patents by Inventor Takuya Uwami

Takuya Uwami 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: 7549845
    Abstract: In a gas turbine, annular overhang portions are formed on adjacent surfaces of a plurality of rotor discs so as to face each other, surrounding the rotor axis, groove portions are provided circumferentially to the surfaces of the overhang portions facing each other, and sealing structures are annularly installed to the inside of the groove portions. The gas turbine comprises sealing plate assemblies which include the overhang portions, the groove portions and a plurality of plates being formed annularly by being mutually piled up; and detachable retaining members which are provided so as to fix the overhang portions and the sealing plate assemblies together by way of disc engagement portions provided to the overhang portions and sealing plate engagement portions provided to the sealing plate assemblies.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: June 23, 2009
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Takuya Uwami, Rintaro Chikami
  • Publication number: 20060239814
    Abstract: A gas turbine, wherein annular overhang portions are formed on adjacent surfaces of a plurality of rotor discs so as to face each other, surrounding the rotor axis, groove portions are provided circumferentially to the surfaces of the overhang portions facing each other, and sealing structures being annularly installed to the inside of the groove portions are provided, comprises sealing plate assemblies which include the overhang portions, the groove portions and a plurality of plates being formed annularly by being mutually piled up; and detachable retaining members which are provided so as to fix the overhang portions and the sealing plate assemblies together by way of disc engagement portions being provided to the overhang portions and sealing plate engagement portions being provided to the sealing plate assemblies.
    Type: Application
    Filed: December 27, 2005
    Publication date: October 26, 2006
    Inventors: Takuya Uwami, Rintaro Chikami