Patents by Inventor Haruki Hosaka

Haruki Hosaka 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: 11236630
    Abstract: An axial compressor includes: a casing having a tubular shape; variable stator vanes each having a vane shaft as a swing center, provided in the casing as stator vanes or inlet guide vanes, and arranged in a circumferential direction of the casing; rotor blades provided on a trailing edges side of the variable stator vanes in the casing and arranged in the circumferential direction of the casing; and a plasma actuator configured to generate a plasma annularly distributed in the circumferential direction of the casing, the plasma actuator being attached on an inner circumferential surface of the casing and intersects with a clearance between each variable stator vane and the inner circumferential surface of the casing.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: February 1, 2022
    Assignee: IHI Corporation
    Inventors: Haruki Hosaka, Nozomi Tanaka, Ryuuta Tanaka, Takayuki Hazu, Dai Kato, Daisuke Sato
  • Publication number: 20200308974
    Abstract: An axial compressor includes: a casing having a tubular shape; variable stator vanes each having a vane shaft as a swing center, provided in the casing as stator vanes or inlet guide vanes, and arranged in a circumferential direction of the casing; rotor blades provided on a trailing edges side of the variable stator vanes in the casing and arranged in the circumferential direction of the casing; and a plasma actuator configured to generate a plasma annularly distributed in the circumferential direction of the casing, the plasma actuator being attached on an inner circumferential surface of the casing and intersects with a clearance between each variable stator vane and the inner circumferential surface of the casing.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Applicant: IHI Corporation
    Inventors: Haruki Hosaka, Nozomi Tanaka, Ryuuta Tanaka, Takayuki Hazu, Dai Kato, Daisuke Sato