Patents by Inventor Tadayuki HASHIDATE

Tadayuki HASHIDATE 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).

  • Erosion resistant material and turbine blade
    Patent number: 10082035
    Abstract: An erosion resistant material has a continuous portion and discontinuous portions. The continuous portion has a continuous structure. The discontinuous portions are arranged inside the continuous portion to have a discontinuous structure. The discontinuous portions are formed of particles having an average particle diameter of 1 ?m or less. Further, the discontinuous portions are formed of a material having a surface hardness and a Young's modulus higher than those of the continuous portion.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: September 25, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsushi Okamoto, Fumio Sawa, Takashi Harakawa, Kenichi Yamazaki, Hiroaki Cho, Naoki Shibukawa, Tadayuki Hashidate, Yoshihiro Hyodo, Akira Tanaka, Masamitsu Sakuma
  • Steam turbine
    Patent number: 9945238
    Abstract: A steam turbine 10 according to an embodiment includes: a casing 20 having a turbine rotor 22; a diaphragm outer ring 23 arranged at an inner side of the casing 20, and having a hollow part 30 inside thereof; a diaphragm inner ring 24 arranged at an inner side of the diaphragm outer ring 23; and a stationary blade 25 joined to the diaphragm outer ring 23 by welding and supported between the diaphragm outer ring 23 and the diaphragm inner ring 24. A non-joint part 61 existing at a part of a joint part 60 between the diaphragm outer ring 23 and the stationary blade 25, and in which an end part at an outer diameter side of the stationary blade 25 is not welded to the diaphragm outer ring 23; and a suction part 40 collecting waterdroplet or a water film from the non-joint part 61 are included.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: April 17, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tadayuki Hashidate, Junichi Tominaga, Shinichiro Ohashi
  • EROSION RESISTANT MATERIAL AND TURBINE BLADE
    Publication number: 20160169009
    Abstract: An erosion resistant material has a continuous portion and discontinuous portions. The continuous portion has a continuous structure. The discontinuous portions are arranged inside the continuous portion to have a discontinuous structure. The discontinuous portions are formed of particles having an average particle diameter of 1 ?m or less. Further, the discontinuous portions are formed of a material having a surface hardness and a Young's modulus higher than those of the continuous portion.
    Type: Application
    Filed: February 24, 2016
    Publication date: June 16, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tetsushi OKAMOTO, Fumio SAWA, Takashi HARAKAWA, Kenichi YAMAZAKI, Hiroaki CHO, Naoki SHIBUKAWA, Tadayuki HASHIDATE, Yoshihiro HYODO, Akira TANAKA, Masamitsu SAKUMA
  • STEAM TURBINE
    Publication number: 20140271140
    Abstract: A steam turbine 10 according to an embodiment includes: a casing 20 having a turbine rotor 22; a diaphragm outer ring 23 arranged at an inner side of the casing 20, and having a hollow part 30 inside thereof; a diaphragm inner ring 24 arranged at an inner side of the diaphragm outer ring 23; and a stationary blade 25 joined to the diaphragm outer ring 23 by welding and supported between the diaphragm outer ring 23 and the diaphragm inner ring 24. A non-joint part 61 existing at a part of a joint part 60 between the diaphragm outer ring 23 and the stationary blade 25, and in which an end part at an outer diameter side of the stationary blade 25 is not welded to the diaphragm outer ring 23; and a suction part 40 collecting waterdroplet or a water film from the non-joint part 61 are included.
    Type: Application
    Filed: February 25, 2014
    Publication date: September 18, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tadayuki HASHIDATE, Junichi Tominaga, Shinichiro Ohashi