Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Patent
1994-08-10
1996-11-12
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
324525, 324534, 324544, 324557, 340605, 73 40, 174 11R, G01R 3111, G01M 304
Patent
active
055743773
ABSTRACT:
A device for detection of the presence of organic solvents, and a process for the fabrication of the device. This device is particularly useful as a device for the detection and localization of organic solvent leaks, and more particularly to the detection and control of liquid hydrocarbon leaks. In a preferred embodiment the device comprises the combination of a time domain reflectometer and a cable comprised of a composite material constituted of a solvent soluble or swellable thermoplastic matrix containing conductive particles in such a proportion that the whole composite becomes a conductor. Contact with the solvent to be detected causes the matrix to dissolve or swell, which brings about a change in the conductivity of the cable which can be detected by the reflectometer.
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Fuentes-Riquelme Pedro
Marquez-Lucero Alfredo
Brown Glenn W.
Wieder Kenneth A.
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