Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Erosion
Patent
1975-11-03
1977-07-05
Rolinec, Rudolph V.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
Erosion
340234, 73342, G01N 2700
Patent
active
040342867
ABSTRACT:
An apparatus for detecting a leak in an insulation system utilizing a plurality of sensing devices disposed in a grid-like arrangement in heat transfer relationship to the insulation. Each sensing device comprises a small enclosed chamber filled with an ion-conducting material that solidifies when subjected to the temperature produced by a leak in the insulation and changes conductivity. The conductivity of the sensing devices is monitored to detect leaks in the insulation.
REFERENCES:
patent: 3484805 (1969-12-01), Lorenz
patent: 3665766 (1972-05-01), Johnston
patent: 3914688 (1975-10-01), Lev
Lev Yaacov
Pritchard Frederick R.
Rolinec Rudolph V.
Shell Internationale Research Maatschappij B.V.
Tokar Michael J.
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