Patents Assigned to Young Industries
  • Rotary valve with improved sealing means
    Patent number: 6062439
    Abstract: A rotary valve with a rotor shroud and a cylinder wall. The rotary valve is sealed by injecting a fluid to compress a packing seal into sealing engagement with the rotor shroud and the cylinder wall.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 16, 2000
    Assignee: Young Industries
    Inventors: Richard W Ambs, Anthony Boroch, Galen S Ingram, Curtiss F Wykoff