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| Number | Title | Issue Date |
| 5084237 | Side insertable spacer A grid spacer for a nuclear reactor fuel assembly is formed of two superposed combs. Each comb has a base strip which extends the width of the assembly. To it are attached parallel grid strips which are free at their other ends. The grid strips are perpen... | 01/28/1992 |
| 5030412 | Fuel assembly debris screen A debris screen for a fuel assembly for a reactor to which coolant fluid is supplied comprises a substantially planar plate member having an array of coollant openings extending through the plate member dimensioned to trap at least a portion of debris par... | 07/09/1991 |
| 5024426 | Bimetallic spring member for radiation environment A spring member is formed of at least two layers metallurgically bonded together uniformly and having significantly different rates of irradiation growth, so that the differential growth of the layers results in increased stress in a predetermined directi... | 06/18/1991 |
| 4951299 | Intermediate mixing grid An intermediate mixing grid for nuclear reactor fuel assemblies is made without the usual perimeter strip. The ends of the grid members are formed so that they hold the fuel rods at the edges of the assembly in place.... | 08/21/1990 |
| 4849161 | Debris-resistant fuel assembly A fuel assembly for nuclear reactors which comprises the usual upper and lower tie plates and fuel rods extending between them is made debris-resistant by providing a grid spacer in contact, or very nearly so, with the lower tie plate and so positioned as... | 07/18/1989 |
| 4830841 | Conversion of uranium hexafluoride to uranium dioxide The present invention contemplates the conversion of uranium hexafluoride with superheated steam to produce a fine, submicron, uranyl fluoride powder which is agglomerated and densified in a fluidized bed of a uranium oxide material. Thereafter, the agglo... | 05/16/1989 |
| 4803044 | Bwr assembly A fuel assembly for boiling water reactors includes, in addition to the usual outer flow channel which surrounds the fuel rods, an inner flow channel having rectilinear sides disposed within the fuel assembly, extending vertically therethrough, and arrang... | 02/07/1989 |
| 4668482 | Recovery of uranium from solutions For the recovery of uranium from a solution in which the uranium is in valence (VI), a solution is formed containing ammonium (NH4+), fluoride (F-) and sodium hydrosulfite (Na2 S2 O4). This... | 05/26/1987 |
