Patents Assigned to Societe Anonyme dite: Societe Nationale des Gaz du Sud-Ouest
  • Fluid leak detection process and installation
    Patent number: 3962905
    Abstract: The invention relates to a process and installation for detecting a fluid leak in a pipe sub-divided into sealable sections by a series of isolating valves arranged at each end of a section.As a result of this process and installation all normal pressure fluctuations occurring in the pipe can be followed without starting off the isolating valves but in the case of an accidental leak when the pressure drop exceeds the predetermined threshold value within a predetermined time, the isolating valves in the pipe are reliably actuated.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: June 15, 1976
    Assignee: Societe Anonyme dite: Societe Nationale des Gaz du Sud-Ouest
    Inventor: Philippe Jouve