Patents by Inventor Torataro TAKEMIKA

Torataro TAKEMIKA 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).

  • Securing part structure of turbine nozzle and turbine using same
    Patent number: 9683459
    Abstract: A securing part structure of a turbine nozzle provided with a plurality of turbine nozzle segments, each having a plurality of stator vanes, arranged annularly around an axis of a jet engine and secured between a turbine case and a shroud of the jet engine, wherein in the turbine nozzle segment, an arc-shaped outer band coupling distal ends of the plurality of stator vanes to each other is provided, a hook of the outer band is engaged with a nozzle support groove of the turbine case from behind, a recessed portion of the outer band is fitted with an anti-rotation tab from behind, and an anti-rotation slot formed in the shroud is fitted with a protruding portion from behind so that the turbine nozzle segment is secured between the turbine case and the shroud. Reduction of performance loss and extension of a life of the turbine case can be realized.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: June 20, 2017
    Assignee: IHI Corporation
    Inventors: Hiroyuki Aoki, Atsushi Tsuru, Torataro Takemika
  • SECURING PART STRUCTURE OF TURBINE NOZZLE AND TURBINE USING SAME
    Publication number: 20150226075
    Abstract: A securing part structure of a turbine nozzle provided with a plurality of turbine nozzle segments, each having a plurality of stator vanes, arranged annularly around an axis of a jet engine and secured between a turbine case and a shroud of the jet engine, wherein in the turbine nozzle segment, an arc-shaped outer band coupling distal ends of the plurality of stator vanes to each other is provided, a hook of the outer band is engaged with a nozzle support groove of the turbine case from behind, a recessed portion of the outer band is fitted with an anti-rotation tab from behind, and an anti-rotation slot formed in the shroud is fitted with a protruding portion from behind so that the turbine nozzle segment is secured between the turbine case and the shroud. Reduction of performance loss and extension of a life of the turbine case can be realized.
    Type: Application
    Filed: April 20, 2015
    Publication date: August 13, 2015
    Applicant: IHI CORPORATION
    Inventors: Hiroyuki AOKI, Atsushi TSURU, Torataro TAKEMIKA