Readily disconnectable nozzle arrangement for use with nuclear r

Details Readily disconnectable nozzle arrangement for use with nuclear r Readily disconnectable nozzle arrangement for use with nuclear r

1992-12-31

1994-06-21

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

For nozzle

376205, 285138, 285169, G21C 1300

Patent

active

053234286

ABSTRACT:
In order to reduce the time and difficulty of disassembling a seal arrangement which includes a Grayloc flange, in a cramped radioactive environment, the Grayloc hub is modified to include a step bore which receives a seal arrangement and a retaining nut which presses the seal into engagement with an inner wall portion of the hub and outer wall portion of an ICI (in core instrument) supporting column. A loading ring is threaded onto a portion of the column. Bolts associated with the ring are screwed down onto a belleville washer which is disposed between the loading ring and the top of the retaining nut for maintaining a desired amount of load on the seals irrespective of thermal variations.

REFERENCES:
patent: 1481909 (1924-01-01), Jones
patent: 2177040 (1939-10-01), Huhn
patent: 2586871 (1952-02-01), Shields
patent: 4421714 (1983-12-01), Dronkers
patent: 4480841 (1984-11-01), Schukei et al.
patent: 4655483 (1987-04-01), Margotta
patent: 4723795 (1988-02-01), Shenoy
patent: 4815884 (1989-03-01), Halliday, Jr. et al.

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