Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements
Patent
1987-11-13
1989-08-29
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Plural fuel segments or elements
376434, 376446, G21C 332
Patent
active
048615455
ABSTRACT:
A nuclear reactor fuel assembly having fuel rods containing nuclear fuel, includes a fuel assembly box in which the fuel rods are disposed, a head plate in the box having feedthroughs formed therein in which fuel rods are guided, at least some of the fuel rods being fastened to the head plate in the feedthroughs, a corner bolt disposed on top of the head plate, a cross piece disposed on the corner bolt at an upper inside corner of the box, an angular part disposed on two outer surfaces of the box, two leaf springs each extended in longitudinal direction of the box on a respective one of the two outer surfaces, a screw bolt connecting the box and the angular part to the corner bolt, the screw bolt having an expansion shank formed therein with a reduced diameter at the corner bolt, the screw bolt having a screw head with two ends, the screw head having a constriction formed therein between the ends thereof defining a coaxial screw head shank with a reduced diameter disposed in a hole formed in the angular part, and a holding body in the form of a transverse pin fastened to the angular part in the hole and engaging the screw bolt at the constriction for connecting the screw bolt to the top of the angular part.
REFERENCES:
patent: 3338791 (1967-08-01), Lass et al.
patent: 3364122 (1968-01-01), Mombazet et al.
patent: 3878042 (1975-04-01), Curulla et al.
patent: 3968008 (1976-07-01), Piepers et al.
patent: 4119489 (1978-10-01), Itoh et al.
patent: 4304635 (1981-12-01), Lippert et al.
patent: 4448744 (1984-05-01), Karger et al.
Greenberg Laurence A.
Kyle Deborah L.
Lerner Herbert L.
Siemens Aktiengesellschaft
Wendtland Richard W.
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