Patents by Inventor Yoshio Sikano

Yoshio Sikano 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).

  • Turbine blade
    Publication number: 20060245918
    Abstract: The invention is intended to reduce the profile loss. For that purpose, according to the invention, a plurality of turbine blades are arranged in the circumferential direction of a turbine driven by a working fluid. Each of the turbine blade is formed such that the curvature of a blade suction surface, which is defined by the reciprocal of the radius of curvature of a blade surface on the blade suction surface side, is decreased monotonously from a blade leading edge defined as the upstream-most point of the blade in the axial direction toward a blade trailing edge defined as the downstream-most point of the blade in the axial direction.
    Type: Application
    Filed: January 12, 2006
    Publication date: November 2, 2006
    Inventors: Shigeki Senoo, Yoshio Sikano, Eiji Saitou, Kiyoshi Segawa, Sou Shioshita
  • Turbine blade
    Patent number: 7018174
    Abstract: The invention is intended to reduce the profile loss. For that purpose, according to the invention, a plurality of turbine blades are arranged in the circumferential direction of a turbine driven by a working fluid. Each of the turbine blade is formed such that the curvature of a blade suction surface, which is defined by the reciprocal of the radius of curvature of a blade surface on the blade suction surface side, is decreased monotonously from a blade leading edge defined as the upstream-most point of the blade in the axial direction toward a blade trailing edge defined as the downstream-most point of the blade in the axial direction.
    Type: Grant
    Filed: October 10, 2001
    Date of Patent: March 28, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Shigeki Senoo, Yoshio Sikano, Eiji Saitou, Kiyoshi Segawa, Sou Shioshita
  • Turbine blade
    Publication number: 20040202545
    Abstract: The invention is intended to reduce the profile loss.
    Type: Application
    Filed: April 7, 2004
    Publication date: October 14, 2004
    Inventors: Shigeki Senoo, Yoshio Sikano, Eiji Satou, Kiyoshi Segawa, Sou Shioshita