Measuring and testing – With fluid pressure – Leakage
Patent
1975-01-06
1976-06-15
Swisher, S. Clement
Measuring and testing
With fluid pressure
Leakage
G01M 328
Patent
active
039629058
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.
REFERENCES:
patent: 2784373 (1957-03-01), Lawrence et al.
patent: 3664357 (1972-05-01), Kreis
patent: 3723987 (1973-03-01), Barone, Jr. et al.
Eslinger Lewis H.
Sinderbrand Alvin
Societe Anonyme dite: Societe Nationale des Gaz du Sud-Ouest
Swisher S. Clement
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