Core spray line riser apparatus and methods

Details Core spray line riser apparatus and methods Core spray line riser apparatus and methods

1997-10-03

1999-05-04

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Emergency core coolant systems

376286, 376463, G21C 900

Patent

active

059011920

ABSTRACT:
Core spray line riser repair apparatus and methods for axially restraining a reactor core spray line riser to a T-box are described. In one embodiment, the repair apparatus includes a sleeve, a threaded draw bolt extending through the axial bore, and a threaded block. The sleeve includes a substantially cylindrical main body having an axial bore extending therethrough and a flange at one end of the main body. The sleeve is configured to be inserted into the T-box until the flange abuts against the T-box. The draw bolt is configured to extend through the sleeve flange, the sleeve bore, and an opening in the core spray line riser. The draw bolt engages the block to draw the block in tight engagement with the core spray line riser.

REFERENCES:
patent: 4859403 (1989-08-01), Dixon et al.
patent: 5735551 (1998-04-01), Whitman et al.
patent: 5737380 (1998-04-01), Deaver et al.
patent: 5743569 (1998-04-01), Deters et al.

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