Patents by Inventor Yasuo Ojiro

Yasuo Ojiro 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).

  • Liquid draining device for a steam turbine
    Patent number: 4767263
    Abstract: A device for draining pressurized liquid from a steam turbine to a low pressure reservoir. The device comprises: an inlet container and an outlet container for storing liquid in their lower parts; drain lines for conveying liquid from the steam turbine to an upper part of the inlet container; a first pipe for maintaining the inlet container at a higher pressure than the outlet container with a head of a first liquid column which leads the liquid from the lower part of the inlet container to the upper part of the outlet container; and a second pipe for maintaining the outlet container at a higher pressure than the low pressure reservoir with a head of a second liquid column which leads the liquid from the lower part of the outlet container to the low pressure reservoir.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: August 30, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinya Ayano, Yasuo Ojiro