Pushing device for sliding fuel rods out of a nuclear reactor fu

Details Pushing device for sliding fuel rods out of a nuclear reactor fu Pushing device for sliding fuel rods out of a nuclear reactor fu

1984-02-16

1987-06-16

Terapane, John F.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

376268, 376271, 29723, 198719, G21C 1910, G21C 1912, B65G 2508

Patent

active

046735445

ABSTRACT:
A pushing device for removing spent fuel rods from a nuclear reactor fuel assembly comprises a plurality of axially shiftable rods disposed in the same geometric pattern and with the same pitch as the fuel rods. The push rods are mounted at their upper ends to a pressure strip or plate and traverse at their lower ends bores in a guide plate fixed via guide rods to a base plate located on the other side of the pressure plate, the pressure plate being movably secured to the guide rods for linear motion between the base plate and the guide plate. A drive mounted to the base plate is connected to the pressure plate for shifting the latter, while a safety mechanism is provided for interrupting the motion of a push rod if the respective fuel rod is jammed in the fuel assembly.

REFERENCES:
patent: 3140238 (1964-07-01), Fraas et al.
patent: 3501826 (1970-03-01), Marcus
patent: 3510012 (1970-05-01), Meteren
patent: 4358421 (1982-11-01), Jabsen
patent: 4551299 (1985-11-01), Shields
V. Gerard et al., "ADAC-Operation of a Fuel-Dismantling Line in a Cell Mockup", 12th Conf. Remote Systems Tech., ANS, Nov. 1964, pp. 159-165.

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