Measuring and testing – With fluid pressure – Pipe
Patent
1992-03-26
1994-03-22
Williams, Hezron E.
Measuring and testing
With fluid pressure
Pipe
73 37, G01M 328
Patent
active
052953920
ABSTRACT:
A hydrostatic test system for subjecting a workpiece or test specimen to a predetermined test pressure until the workpiece fails by developing a leak detectable by the test system. The hydrostatic test system is a modular system readily adaptable to, and able to incorporate therein, a number of different physical devices for regulating, controlling, detecting, and registering functions and activities pertaining to leak detection. Among the devices adaptable in the hydrostatic test system for detecting a leak condition in the workpiece is a differential pressure switch and a static pressure switch, a combination differential and static pressure switch, or an accumulator associated with either a pressure transducer or a high accuracy transducer. The leak condition may be visually signaled by a lamp or indicator light or the sensing of a leak condition may be visually output to a CRT screen. The hydrostatic test system includes a number of test stations mounted in a large upright cabinet or unit, with each test station accommodating one test specimen. The aggregate failure times and pressures can be output and displayed on a plotter and printer in the computer-controlled embodiment of the hydrostatic test system.
REFERENCES:
patent: 3383905 (1968-05-01), Servos et al.
patent: 3398573 (1968-08-01), Lloyd
patent: 3566675 (1971-03-01), Ledebur
patent: 4416146 (1983-11-01), Ambrose
Boros Stephen J.
Coleman John
Hensel Frederick W.
Hensel Mark F.
Parnell John H.
Atwell George C.
Roskos Joseph W.
Tech Team, Inc.
Williams Hezron E.
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