Grid with holding springs for a nuclear fuel assembly

Details Grid with holding springs for a nuclear fuel assembly Grid with holding springs for a nuclear fuel assembly

1990-04-27

1992-02-25

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376462, 376438, G21C 334

Patent

active

050911457

ABSTRACT:
A bracing grid suitable for use in a light water reactor has a plurality of mutually intersecting sets of plates defining cells which receive fuel rods. The plates carry springs for retaining the rods by friction. Each spring is formed has a U legs located each on one side of a plate, the branch being for contact on the elements in two mutually adjacent cells separated by the plate. The two legs are connected by a loop straddling the plate and are connected to each other by a weld at the base of the loop, through a window formed through the plate. The legs of each spring are also mutually connected by mechanical locking means which retain the two legs with respect to each other and with respect to the respective plate.

REFERENCES:
patent: 4411862 (1983-10-01), Leclercq et al.
patent: 4646431 (1987-03-01), Vere et al.
patent: 4844862 (1989-07-01), Sartor

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