Process and device for the remote underwater monitoring of a sma

Details Process and device for the remote underwater monitoring of a sma Process and device for the remote underwater monitoring of a sma

1986-02-10

1988-01-05

Cangialosi, Salvatore

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

376248, G21C 1700

Patent

active

047175303

ABSTRACT:
The process involves introducing into the structure (1) immersed in water, in the vicinity of the component (9) to be monitored, a means (30) of injecting water at a pressure higher than 40 MPa and in the form of a straight jet of a diameter less than 3.times.10.sup.-3 m. The injection means (30) is subsequently directed towards the component (9) to be monitored, and water is injected under pressure in such a way that the jet reaches the component (9). The position of the component after the action of the jet is monitored by a televisual means. When the pins of a guide tube (1) are to be monitored, the device also has, in addition to the televisual inspection means, a very long tube (30), in which an injection device having a nozzle in its lower part is arranged.

REFERENCES:
patent: 4385028 (1983-05-01), Salaman
patent: 4432931 (1984-02-01), Lockett
patent: 4521844 (1985-06-01), Sturges, Jr. et al.

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