Patents by Inventor Yasuhiko Ueta

Yasuhiko Ueta 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).

  • Rotary machine and seal member
    Patent number: 11365646
    Abstract: In a rotary machine and a seal member, a casing, a rotor, a stator blade, a rotor blade, and a seal device disposed between the casing and a tip portion of the rotor blade are provided, in which a blade attachment groove is provided in the inner peripheral portion of the casing, and a caulking groove is provided adjacent to the blade attachment groove, in which a base end portion of the stator blade is mounted in the blade attachment groove and a caulking member is locked to the caulking groove and a blade root portion of the stator blade, so that the stator blade is fixed to the inner peripheral portion of the casing, and in which a seal ring as a seal device is mounted in the inner peripheral portion of the casing, and the seal ring covers at least a part of the caulking groove.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuhiko Ueta, Hisataka Fukushima, Kentaro Tanaka
  • ROTARY MACHINE AND SEAL MEMBER
    Publication number: 20210293153
    Abstract: In a rotary machine and a seal member, a casing, a rotor, a stator blade, a rotor blade, and a seal device disposed between the casing and a tip portion of the rotor blade are provided, in which a blade attachment groove is provided in the inner peripheral portion of the casing, and a caulking groove is provided adjacent to the blade attachment groove, in which a base end portion of the stator blade is mounted in the blade attachment groove and a caulking member is locked to the caulking groove and a blade root portion of the stator blade, so that the stator blade is fixed to the inner peripheral portion of the casing, and in which a seal ring as a seal device is mounted in the inner peripheral portion of the casing, and the seal ring covers at least a part of the caulking groove.
    Type: Application
    Filed: July 16, 2019
    Publication date: September 23, 2021
    Applicant: Mitsubishi Power, Ltd.
    Inventors: Yasuhiko Ueta, Hisataka Fukushima, Kentaro Tanaka