Core barrel plug

Details Core barrel plug Core barrel plug

1983-08-17

1986-03-18

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

376399, 376400, 138 89, 277 27, 220203, 220232, 220240, 220315, 220316, G21C 1306, F16L 5512

Patent

active

045767785

ABSTRACT:
The invention comprises a core barrel plug capable of being remotely installed in a port of a core barrel of a pressurized water nuclear reactor for converting the reactor from a by-pass downflow configuration to a by-pass upflow configuration. The plug comprises a body having an expandable cylindrical portion with a movable mandrel disposed in the body. Remote fluid pressurization causes the mandrel to be advanced thus expanding the body into contact with the port. The plug also comprises a locking mechanism to prevent inadvertent release of the plug and a venting mechanism to prevent inadvertent overpressurization of the plug.

REFERENCES:
patent: 3124158 (1964-03-01), Penfold
patent: 3156373 (1964-11-01), Willis
patent: 3525365 (1970-08-01), Meulendyk
patent: 3983904 (1976-10-01), Laviano
patent: 4114654 (1978-09-01), Richardson
patent: 4158370 (1979-06-01), Larson
patent: 4312708 (1982-01-01), Leslie
patent: 4335757 (1982-06-01), Lankston
patent: 4390042 (1983-06-01), Kucherer et al.
patent: 4436117 (1984-03-01), Martin

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