Patents by Inventor Osamu Suto

Osamu Suto 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).

  • Pulse nozzle
    Patent number: 5295509
    Abstract: A pulse nozzle of a reaction apparatus which obtains a very low temperature by expanding high-pressure and normal-temperature gas in heat insulation manner includes a fixed slit member disposed at an inlet of the nozzle and having a plurality of slit openings, a movable slit member having similar slit openings disposed along the fixed slit member, and two piezoelectric-crystal elements driven by an external pulse signal to slidably move the movable slit member with respect to the fixed slit member repeatedly to thereby open and close a flow of gas in the pulse manner. A plurality of the pulse nozzles are disposed in parallel to increase the capacity of the pulse nozzle.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: March 22, 1994
    Assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Osamu Suto, Eiji Suzuki, Norifumi Uehara, Keiji Yoshimura, Masakazu Kuwabara