Patents Represented by Attorney Epstein Drangel Nbazerman & James LLP

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  • Pneumatic servo valve
    Patent number: 7000892
    Abstract: The present invention relates to a pneumatic servo valve, and more particularly, to a pneumatic servo valve, wherein displacement of a spool due to flow force of a fluid is prevented by firmly holding the spool just after position control for the spool is completed, thereby ensuring the stability of a valve system, and an encoder is employed as a spool position detecting means.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: February 21, 2006
    Assignee: Korea Institute of Machinery and Mechanics
    Inventors: Dong Soo Kim, Won Hee Lee, Byung Oh Choi, Kwang Young Kim