Patents Assigned to DTL Technologies, L.P.
  • Shuttle valve
    Patent number: 8397742
    Abstract: A shuttle valve useful in connection with operation of underwater blowout preventers employs soft seals sealing an annulus between an inlet bore and the outer periphery of the shuttle to provide hydraulic function control from a high pressure low flow supply source such as a low volume positive displacement pump on a remotely operated vehicle without losing opposing inlet sealing and hydraulic fluid dump the opposing inlet during a return stroke of the pump.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: March 19, 2013
    Assignee: DTL Technologies, L.P.
    Inventors: Brian Frank Matteucci, Patricia Thrash