Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Encased with nonfuel component
Patent
1986-04-11
1989-05-23
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Encased with nonfuel component
376435, 376455, 376903, 376917, G21C 300
Patent
active
048329061
ABSTRACT:
A fuel assembly comprises a channel box, upper and lower tie plates fixed to the upper and lower portion of the channel box and a bundle of fuel rods enclosed in the channel box and retained by the upper and lower tie plates. The bundle of fuel rods includes ordinary fuel rods containing fissile material not containing gadolinia, and gadolinia-containing rods each containing gadolinia therein and having a larger outer diameter than that of the ordinary fuel rod. The gadolinia-containing rod has pellets enclosed in a closed cladding, and the outer diameters of the pellets also are larger than these of fuel pellets of the ordinary fuel rods.
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patent: 3427222 (1969-02-01), Bianchena et al.
patent: 3823067 (1974-07-01), Stern et al.
patent: 4059484 (1977-11-01), Bupp et al.
patent: 4355002 (1982-10-01), Hosokawa et al.
patent: 4406012 (1983-09-01), Gordon et al.
patent: 4587088 (1986-05-01), Radford
European Search Report, Jul. 18, 1986, #86 104919.
Aoyama Motoo
Bessho Yasunori
Maruyama Hiromi
Uchikawa Sadao
Hitachi , Ltd.
Klein R. L.
Kyle Deborah L.
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