Guide tube for an instrumentation lance extending into a...

Details Guide tube for an instrumentation lance extending into a... Guide tube for an instrumentation lance extending into a...

2005-09-27

2005-09-27

Keith, Jack (Department: 3641)

Induced nuclear reactions: processes, systems, and elements

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

Flux monitoring

C376S203000, C376S260000, C376S310000, C376S313000, C376S316000, C376S352000

Reexamination Certificate

active

06950489

ABSTRACT:
The invention relates to a guide tube especially for an instrumentation lance extending into a reactor pressure vessel. The guide tube includes a lower tube section and an upper tube section that extends into the interior of the reactor pressure vessel. In order to prevent radioactively contaminated particles from reaching the lower tube section disposed outside the reactor pressure vessel from forming a source of radiation, a separator is arranged in the upper tube section. The separator has a separation chamber in which the particles are deposited and are removed from the water.

REFERENCES:
patent: 4318776 (1982-03-01), Pröll et al.
patent: 43 03 746 (1994-03-01), None
patent: 531087 (1993-03-01), None

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