Patent · US Active

Canister for final repository of spent nuclear fuel

US8039824B2 · kind B2 · utility

3Cited by

3References

22Claims

0Family size

Inventors

Olle Grinder · Ljungby, SE
Gunnar Hultqvist · Stallarholmen, SE
Peter Szakalos · Stockholm, SE

Key dates

Filing date	May 26, 2008
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Oct 6, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG21F9/36
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a canister (1) for final repository of spent fuel elements from a nuclear reactor, comprising an insert (2) that contains said spent fuel elements, an inner copper casing (4a, 4b, 4c) that encloses the insert (2), and at least one outer casing (5a, 5b, 5c) that encloses the copper casting and that consists of a passive-film-forming metal or metal alloy, the passive film on the casing being constituted by an essentially oxidic film that is rich in one or more of the metals in the group of metals that consist of the metals zirconium, chromium and titanium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.