Nuclear fuel rods
AssigneesTokyo Shibaura Denki Kabushiki Kaisha, Nippon Genshiryoku Jigyo Kabushiki Kaisha
InventorToru Fujibayashi
Life of this patent
Estimating the term…
Abstract
In a nuclear fuel rod, a wound leaf spring member is interposed between a sheath and a stack of fuel pellets contained therein.
Claims5
In a nuclear fuel rod of the type comprising a sheath and a stack of a plurality of nuclear fuel pellets contained in said sheath, the improvement which comprises a wound leaf spring member inserted in the gap between said sheath and the stack of said fuel pellets, said wound leaf spring member being made of a metal sheet having good heat conductivity and provided with spaced parallel folds extending in the longitudinal direction, and said metal sheet being bent into a polygonal roll along said folds.
Dependencies are inferred from the claim text.