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| Number | Title | Issue Date |
| 7590213 | Systems and methods for storing spent nuclear fuel having protection design A system and method for storing spent nuclear fuel that affords adequate cooling capabilities under “smart flood” criteria. In one aspect, the invention is a method of storing spent nuclear fuel comprising: providing a system comprising a structure forming a cav... | 09/15/2009 |
| 7124583 | Geothermal power generator A Geothermal Power Generator which includes apparatus and method for the in-situ recovery of geothermal energy using thermionic or thermotunnelling converters. These are diode devices which produce electricity when a temperature gradient is applied across them. The ... | 10/24/2006 |
| 7068748 | Underground system and apparatus for storing spent nuclear fuel A system and method for storing spent nuclear fuel below grade that affords adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a system comprising: a body having a cavity for receiving and storing a spent fuel canister, a major po... | 06/27/2006 |
| 6597755 | Apparatus and method for installing nuclear reactors A nuclear power plant (18) and its heat exhanger (26) are enclosed in an envelope (22) which is suspended above a bored shaft (14) from a support stem (30). When appropriate, the stem (30) can be melted by a furnace (34) to drop the envelope (22) to the b... | 07/22/2003 |
| 5920602 | Underground storage facility, and associated method of storing waste The invention concerns an underground storage facility for the initial storage of waste transported in containers (34, 36), in particular radioactive waste such as spent fuel elements. The store has transport galleries (10) giving access to storage galler... | 07/06/1999 |
| 5832392 | Depleted uranium as a backfill for nuclear fuel waste package A method for packaging spent nuclear fuel for long-term disposal in a geological repository. At least one spent nuclear fuel assembly is first placed in an unsealed waste package and a depleted uranium fill material is added to the waste package. The depl... | 11/03/1998 |
| 4971752 | Safety design for nuclear power plants A nuclear power plant installation comprises a nuclear reactor that is disposed in an underground reactor room and connected to power generating equipment on the ground surface by pipes which pass between the underground reactor room and the ground surfac... | 11/20/1990 |
| 4851183 | Underground nuclear power station using self-regulating heat-pipe controlled reactors A nuclear reactor for generating electricity is disposed underground at the bottom of a vertical hole that can be drilled using conventional drilling technology. The primary coolant of the reactor core is the working fluid in a plurality of thermodynamica... | 07/25/1989 |
| 4483790 | Method of disposing of shut-down nuclear power plants A shut-down atomic power plant or a section thereof, particularly the nuclear reactor, is disposed of by sinking it to below ground level by constructing a caisson with cutting edges from the foundations of said plant or section or by excavating a pit the... | 11/20/1984 |
| 4384793 | Temperature profile monitoring method and apparatus The invention provides a method and apparatus for determining the approximate temperature profile of a large curved surface such as the outer surface of a chemical or hydrocarbon conversion reactor. At least two arrays of wire having a temperature depende... | 05/24/1983 |
