Automatic leak detection apparatus for process fluids from produ

Details Automatic leak detection apparatus for process fluids from produ Automatic leak detection apparatus for process fluids from produ

1990-10-11

1993-05-11

Ng, Jin F.

Communications: electrical

Condition responsive indicating system

Specific condition

340603, 73 405R, 358100, 376250, G08B 2100

Patent

active

052105261

ABSTRACT:
An automatic leak detection apparatus for process fluids from production and/or research plants, in particular energy plants comprises three different and separate sets of sensors, the first of which analyzes signals sensed in the visual spectrum through a telecamera, the second set analyzes signals sensed in the infrared spectrum through a thermocamera, and the third set analyzes qualitatively and quantitatively any change in the composition of the environmental atmosphere through a chemical-excitation mass spectrometer, and means adapted to process data supplied by said three sets of sensors, to compare said data with reference data, to store said data, to generate alarm signals at different levels, and to give assistance, if necessary.

REFERENCES:
patent: 3987662 (1976-10-01), Hara et al.
patent: 4582671 (1986-04-01), Rindo
patent: 4656509 (1987-04-01), Matsuyama et al.
patent: 4857261 (1989-08-01), Marshall et al.
Patent Abstracts of Japan vol. 11, No. 373 (P-643) [2820] Dec. 5, 1987, M. Ikeda, (JP-A-62-144038).
Patent Abstracts of Japan, vol. 13, No. 80 (P-832) [3428] Feb. 23, 1989, K. Hayashi, (JP-A-63-263421).
Patent Abstracts of Japan vol. 13, No. 209 (P-871) [3557] May 17, 1989, M. Ikeda, (JP-A-1-26122).

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