Method and device for restoring the fall-time of at least...

Details Method and device for restoring the fall-time of at least... Method and device for restoring the fall-time of at least...

2005-03-08

2005-03-08

Behrend, Harvey E. (Department: 3641)

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

C376S260000, C376S353000

Reexamination Certificate

active

06865242

ABSTRACT:
After a nuclear reactor has been stopped and allowed to cool down following a period of operation, action is taken in a pool of the nuclear reactor on at least one guide tube of the activated upper internal equipment of the nuclear reactor to enlarge (21b, 21c) guide channels (16b, 16c) of the guide tube (8) in at least one continuous guidance zone. The enlargement is preferably performed by machining discontinuous cavities along the length of the guide channel (16b, 16c). Enlargement is preferably performed on the guide tube (8) in place within the upper internal equipment that has been placed on a storage stand in the reactor pool.

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