Gathering line leak detection system tester

Details Gathering line leak detection system tester Gathering line leak detection system tester

1975-12-10

1977-08-23

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

73 1R, 340410, G01M 300, G08B 2900

Patent

active

040431800

ABSTRACT:
A system employing a plurality of electronic oscillators for generating test signals at spaced locations remote from a selection point. The oscillators are coupled to a gathering line for petroleum products, each being located adjacent to an acoustic detector coupled to the line for signaling the presence of a leak within its range. A digital selector which manually generates a given number of pulses is located at the selection point. There is a binary counter at each oscillator to receive the pulses. And, there is also a binary encoder at each oscillator to determine which one will be energized, depending upon the number of pulses generated by the selector.

REFERENCES:
patent: 3264864 (1966-08-01), Reid et al.
patent: 3441744 (1969-04-01), Noble
patent: 3487397 (1969-12-01), Kaplan et al.
patent: 3670303 (1972-06-01), Dame
patent: 3676849 (1972-07-01), Malandro et al.
patent: 3740718 (1973-06-01), Melvin, Jr.
patent: 3894247 (1975-07-01), DeJong
patent: 3920926 (1975-11-01), Lenaerts et al.

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