Patents by Inventor Shunzaburo Nagashima

Shunzaburo Nagashima 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).

  • Steam supply control device
    Patent number: 3978889
    Abstract: A steam supply control device is disclosed which is adapted for use with an electro-hydraulic governor so as to control the rotational speed of an auxiliary turbine such as a cargo oil or ballast pump turbine, a generator turbine or the like. The device can prevent the excessive momentary increase in rotational speed even in case of a sudden decrease in load such as air draw in pump, and can also control an extremely low rotational speed.
    Type: Grant
    Filed: March 20, 1974
    Date of Patent: September 7, 1976
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Shinya Kameda, Shunzaburo Nagashima, Mikio Obi