Nuclear fuel upper end fitting quick disconnect joint

Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements

Patent

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Details

376449, 376438, 376448, 376451, 376364, 376439, G21C 332

Patent

active

056006942

ABSTRACT:
A fuel assembly for use in a pressurized water nuclear reactor includes an assembly having guide tubes joined at their upper ends to posts having heads against which is biased a holddown plate spaced from a flow plate. The holddown plate is slidably mounted on the posts. The flow plate is fixed to the posts. The joints have one either post or tube member with spring fingers with projecting steps to lock in abutting relation behind the flow plate with a ring projection on the other captured in a recess in the adjacent finger surfaces. This structure provides a quick connect joint between the tube and the post.

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patent: 4265708 (1981-05-01), Lawrence
patent: 4684499 (1987-08-01), Gjertsen
patent: 4716004 (1987-12-01), Merkousky et al.
patent: 4966747 (1990-10-01), Tower et al.
patent: 4983351 (1991-01-01), Tower et al.
patent: 5268948 (1993-12-01), Church et al.

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