Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent
1976-09-23
1979-09-25
Padgett, Benjamin R.
Measuring and testing
Gas analysis
Moisture content or vapor pressure
23230R, 252408, 260 326R, 260 37EP, 422 90, C09K 300, G01K 300, G01K 1100, C08K 521
Patent
active
041686250
ABSTRACT:
A composition is disclosed of an N-thiophthalimide, a resinous carrier, and a solvent. The composition is applied to a portion of an electrical apparatus which is exposed to a gas stream. The solvent in the composition is evaporated to produce a thermoparticulating coating. When the electrical apparatus overheats the N-thiophthalimide in the coating forms particles in the gas stream which are detected by a monitor.
REFERENCES:
patent: 3546185 (1970-12-01), Yaucher et al.
patent: 3807218 (1974-04-01), Carson et al.
patent: 3957014 (1976-05-01), Phillips et al.
patent: 3973438 (1976-08-01), Smith et al.
patent: 3995489 (1976-12-01), Smith et al.
patent: 4046733 (1977-09-01), Smith et al.
patent: 4046943 (1977-09-01), Smith et al.
Meier Joseph F.
Phillips David C.
Smith James D. B.
Barr J. L.
Fuerle R. D.
Padgett Benjamin R.
Westinghouse Electric Corp.
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