Patents by Inventor Yuki Osame

Yuki Osame 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: 8806745
    Abstract: In a gas-turbine-stator-vane insert removing device with which welding metal that connects an insert collar, which protrudes outward from an outer circumferential surface of an insert, and a stator-vane-outer-shroud non-gas path surface, which surrounds the periphery of the insert collar, is removed by means of an arc discharge repeated at a short cycle between an electrode and a gas-turbine stator vane, a bottom surface of the electrode has the same plan-view shape as a plan-view shape of the welding metal.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: August 19, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Koji Tsukimoto, Yuki Osame, Yasushi Takeuchi
  • Publication number: 20120138581
    Abstract: In a gas-turbine-stator-vane insert removing device with which welding metal that connects an insert collar, which protrudes outward from an outer circumferential surface of an insert, and a stator-vane-outer-shroud non-gas path surface, which surrounds the periphery of the insert collar, is removed by means of an arc discharge repeated at a short cycle between an electrode and a gas-turbine stator vane, a bottom surface of the electrode has the same plan-view shape as a plan-view shape of the welding metal.
    Type: Application
    Filed: January 6, 2011
    Publication date: June 7, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Koji Tsukimoto, Yuki Osame, Yasushi Takeuchi