Patents by Inventor Hideyasu Iinuma

Hideyasu Iinuma 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).

  • Device for measuring vibrations on rotating blade
    Patent number: 5201227
    Abstract: A device for measuring vibrations of a rotating blade of a gas turbine includes an optical probe that is mounted within a casing of the rotating blade. The probe includes a light projecting and a light receiving optical fiber along with associated focusing lenses and a protective glass. In addition, liquid coolant channels are provided within the probe housing and air coolant channels are provided within the blade casing in order to protect the probe from the hostile environment of the turbine.
    Type: Grant
    Filed: March 5, 1992
    Date of Patent: April 13, 1993
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Hideyasu Iinuma, Takashi Wakatsuki, Nobuya Minagawa