Patents by Inventor Kazuho Akiyama

Kazuho Akiyama 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).

  • Gas turbine generator with dual steam-injected turbines
    Patent number: 6141955
    Abstract: A gas turbine generator includes a first gas turbine 20 having an air compressor 21, first turbine 24a and a first combustor 25a; a second gas turbine 22 having a second turbine 24b and a second combustor 25b; a generator 27 driven by the first gas turbine and the second gas turbine; and a coupling 23 arranged between the generator and the second gas turbine for connection and disconnection. When residual steam is sufficiently supplied, the residual steam is fed to the first combustor and the second combustor while connecting the coupling, and when the residual steam is not sufficiently supplied, the residual steam is fed to only the first combustor while disconnecting the coupling.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: November 7, 2000
    Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.
    Inventors: Kazuho Akiyama, Shigekazu Uji, Masaru Hirata