Device for measuring the force exerted by a grid spring

Details Device for measuring the force exerted by a grid spring Device for measuring the force exerted by a grid spring

1994-11-10

1996-02-13

Chilcot, Richard

Measuring and testing

Spring testing

33502, 376245, G21C 1700

Patent

active

054904188

ABSTRACT:
A device for measuring the force exerted by a spring of a supporting grid on a fuel rod passing through the grid has an elongate body connected by two flexible blades that are parallel to the long direction to two respective beams insertable in a cell. At least one of the beams carries a force sensor designed to be pressed against the spring. A unit is slidable in the body along the body between a position in which it moves the beams apart while keeping them parallel to give them a spacing that corresponds to the nominal diameter of a fuel rod, and a position in which it allows the flexible blades to move the beams towards each other. The unit is movable at will between the two positions.

REFERENCES:
patent: 4196048 (1980-04-01), Qurnell et al.
patent: 4246783 (1981-01-01), Steven et al.
patent: 4420455 (1983-12-01), Qurnell et al.
patent: 4668466 (1987-05-01), Rylatt
patent: 4773276 (1988-09-01), Baruffalo
patent: 5070622 (1991-12-01), Batzin et al.
patent: 5259119 (1993-11-01), Yoshioka et al.
patent: 5343504 (1994-08-01), Gaylord, Jr. et al.

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