Device for measuring parameters in the core of a nuclear reactor

Details Device for measuring parameters in the core of a nuclear reactor Device for measuring parameters in the core of a nuclear reactor

1989-06-06

1991-01-22

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

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

Flux monitoring

376203, G21C 1700, G21C 1922

Patent

active

049869540

ABSTRACT:
The device comprises a measurement conduit (10) mounted movably in a guide tube connecting the reactor vessel to an instrumentation room which the measurement conduit (10) enters by passing through a sealing nozzle (25). The measurement conduit encloses peripheral sheaths (14) fastened around a central sheath (13). Measuring probes are fastened to the end of cables (16) and mounted movably, each inside a leakproof peripheral sheath (14). The nozzle (25) comprises a leakproof chamber (40). At their ends, each of the peripheral sheaths (14) of the conduit (10) comprises a leakproof passage (50, 50') for the sliding exit of the measurement cable (16) into the chamber (40). Leakproof passge devices (52) for each of the cables (16) are also placed in an exit wall (42) of the chamber (40) of the nozzle (25).

REFERENCES:
patent: 3766005 (1973-10-01), Erkens
patent: 3860824 (1975-01-01), Stone
patent: 4140911 (1979-02-01), Todt et al.
patent: 4318776 (1982-03-01), Proll et al.
patent: 4426352 (1984-01-01), Bybee
patent: 4708844 (1987-11-01), Kearton et al.
patent: 4728479 (1988-03-01), Merkovsky
patent: 4780267 (1988-10-01), Todt, Sr. et al.
patent: 4917853 (1990-04-01), Feurgard

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