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| Number | Title | Issue Date |
| 8139706 | Apparatus and method for supporting fuel assemblies in an underwater environment having lateral access loading A method of loading nuclear fuel assemblies into a fuel rack in an underwater (or other submerged) environment that reduces the depth required for the pool to effectuate the fuel rack loading procedure. In one embodiment, the method comprises submerging a nuclear fu... | 03/20/2012 |
| 8135108 | Nuclear power station comprising at least one high temperature reactor The invention relates to a nuclear power station comprising: at least one high temperature reactor; a storage installation (14) for fuel elements (5); means (32) for transferri... | 03/13/2012 |
| 8135107 | Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuel A canister apparatus, basket apparatus and combinations thereof for transporting and/or storing high level radioactive waste, such as spent nuclear fuel. The canister apparatus comprises a cavity for receiving the spent nuclear fuel that is surrounded by two indepen... | 03/13/2012 |
| 8130895 | Method and a device for packaging leaky nuclear fuel rods for the purposes of transport and long-duration storage or warehousing A plurality of capsules are made available, each for receiving a fuel rod, and each comprising a tubular sheath that is closed at its ends by plugs. A loading structure is placed in a pool to receive at least one capsule with its axis vertical. A device for loading ... | 03/06/2012 |
| 8098790 | Systems and methods for storing spent nuclear fuel Systems and methods for storing spent nuclear fuel below grade that afford adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a system comprising: a shell forming a cavity for receiving a canister of spent nuclear fuel, at least a... | 01/17/2012 |
| 8009789 | Storage device for storing and transporting nuclear fuel assemblies The invention relates to a storage device (1) for storing and transporting nuclear fuel assemblies, the device comprising a plurality of adjacent compartments, each having a lateral wall and being capable of receiving a nuclear fuel assembly, the lateral wall... | 08/30/2011 |
| 7961834 | Storage device for storing and/or transporting nuclear fuel assemblies The invention relates to a storage device (1) for the storing and/or transporting of nuclear fuel assemblies, including a plurality of adjacent housings each having a lateral wall and being able to receive a nuclear fuel assembly, the lateral walls being real... | 06/14/2011 |
| 7940882 | Method for selecting and disposing remaining spent nuclear fuel bundles for casks There is provided a method for selecting and configuring spent nuclear fuel bundles for casks so that the heat load for each of the casks is about the average heat load for all of the casks. The spent nuclear fuel bundles are disposed in the casks as low as reasonab... | 05/10/2011 |
| 7933374 | System and method of storing and/or transferring high level radioactive waste A system and method for storing high level waste. In one aspect, the invention is a system comprising: an outer shell having an open top end and a hermetically closed bottom end; an inner shell forming a cavity, the inner shell positioned inside the outer shell so a... | 04/26/2011 |
| 7715517 | Apparatus and method for supporting fuel assemblies in an underwater environment having lateral access loading A fuel rack for supporting radioactive fuel assemblies in an underwater (or other submerged) environment that reduces the depth required for the pool to effectuate the fuel rack loading procedure. The fuel rack is specially designed to afford lateral loading. In one... | 05/11/2010 |
| 7676016 | Manifold system for the ventilated storage of high level waste and a method of using the same to store high level waste in a below-grade environment A system and method for storing multiple canisters containing high level waste below grade that afford adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a system comprising: an air-intake shell forming a substantially vertical ai... | 03/09/2010 |
| 7474726 | Unirradiated nuclear fuel component transport system An unirradiated nuclear fuel assembly component transport system that includes a clamshell-type inner liner that opens either along its axial dimension or from the top to load and unload the fuel assembly being transported. The exterior dimensions of the liner confo... | 01/06/2009 |
| 7450679 | Container device for the storage of hazardous material and method for manufacturing it Abstract A container device (11) for the long-term storage of hazardous material F), particularly for use for the ultimate disposal of nuclear fuel, comprises a plurality of containment bodies (A, B, C, D), placed successively one with in the other. Each cont... | 11/11/2008 |
| 7372933 | Radioactive-material container, metal gasket for sealing the radioactive-material container, and method of manufacturing the metal gasket A radioactive-material container includes a container body that shields nuclear radiation, which includes a cavity that stores a basket containing a recycle fuel assembly, a lid that covers the cavity, and a metal gasket that includes a sealing area that makes a phy... | 05/13/2008 |
| 7372060 | Container for fissile material and a method of making the same A container (10) for fissile material comprises an inner annular shaped receptacle (12) contained within an outer annular enclosure (14). The receptacle (12) and the enclosure (14) define an inner chamber (16) surrounded by ... | 05/13/2008 |
| 7368091 | Cesium and strontium capsule disposal package A package and process of using the package for disposal of radioactive cesium and strontium waste capsules. The package comprises a standard Hanford vitrified high-level waste canister as an outer container, which is approximately filled with three components: the f... | 05/06/2008 |
| 7354544 | Method for manufacturing a long-term storage container A method for manufacturing a long-term storage container for storage of radioactive material to inhibit radioactive radiation therefrom, said container having a bottom and upright wall extending therefrom, the top of said container to be closed by a screw-on radioac... | 04/08/2008 |
| 7351989 | Fiber-reinforced concrete cask, supporting frame for molding thereof and process for producing the concrete cask The object of this invention is to provide a fiber-reinforced concrete cask that ensures easy working, enables reducing working cost, excels in strength, durability and heat resistance and enables minimizing cracking; a process for fabrication of the same; and a sup... | 04/01/2008 |
| 7350451 | Apparatus comprising an exhaust duct and anti-fratricide shield A missile launcher that combines the functionality of a gas management system and an anti-fratricide shield is disclosed. In accordance with the illustrative embodiment of the present invention, a plurality of gas-uptake ducts are arranged on a boundary that surroun... | 04/01/2008 |
| 7342989 | Apparatuses and methods for mechanical shielding and cooling A transport or storage cask comprises a cask body, a modular thermal conducting and shielding system and a mechanical attachment. The modular thermal conducting and shielding system includes a modular fin and a modular neutron shield. The mechanical attachment retai... | 03/11/2008 |
| 7330525 | Method and apparatus for maximizing radiation shielding during cask transfer procedures A transfer cask for maximizing the radiation shielding for spent nuclear fuel during cask transfer procedures has a cylindrical inner shell forming a cavity within which a spent nuclear fuel canister can be placed; a cylindrical outer shell concentric with and surro... | 02/12/2008 |
| 7330526 | System and method of storing high level waste A system and method for storing high level waste. In one aspect, the invention is a system comprising: an inner shell forming a cavity for receiving high level waste, the cavity having a top and a bottom; an outer shell surrounding the inner shell so as to form a sp... | 02/12/2008 |
| 7327821 | Cask, composition for neutron shielding body, and method of manufacturing the neutron shielding body A cask includes a trunk body that includes a basket having a square pipe or a plate member forming a cell that contains a spent fuel assembly, and a neutron shield that is formed by filling a composition for neutron shielding between the trunk body and an outer cove... | 02/05/2008 |
| 7286626 | Neutron absorbing coating for nuclear criticality control A neutron absorbing coating for use on a substrate, and which provides nuclear criticality control is described and which includes a nickel, chromium, molybdenum, and gadolinium alloy having less than about 5% boron, by weight. ... | 10/23/2007 |
| 7276715 | Method and apparatus for safely handling radioactive sources A system for handling a radioactive source includes a container containing a radioactive source and a cap mounted on the container to retain the radioactive source inside the container. The cap has a first locking structure and a second locking structure. The system... | 10/02/2007 |
| 7272204 | Method and apparatus for clamping a riser brace assembly in nuclear reactor An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fas... | 09/18/2007 |
| 7244948 | Miniature multinuclide detection system and methods The present invention is directed toward an apparatus and methods for detection and identification of target radionuclides and threatening radionuclides that may be present in a sample volume. One aspect of the invention provides a digital computational apparatus th... | 07/17/2007 |
| 7245688 | Cooling system This invention relates to a nuclear reactor plant which includes a nuclear heat source (12), and a cooling system (10). The cooling system (10) includes at least two cooling circuits (26), each of which includes a plurality of coolant cha... | 07/17/2007 |
| 7215728 | Spent fuel housing square pipe, basket and spent fuel housing container Corner of each square pipe is molded into a terrace shape having steps. When a basket is constructed by these square pipes, steps of adjoining square pipes are assembled together face to face. Fuel rod aggregates are housed inside the square pipes and in a cells for... | 05/08/2007 |
| 7204963 | Process for the separation of chlorosilanes from gas streams Chlorosilanes are continuously removed from a gas stream in an apparatus in which the gas stream is treated in a first stage with water vapor in the gas phase, and in a second stage with a liquid, aqueous phase. ... | 04/17/2007 |
| 7199415 | Conductive container structures having a dielectric cap Container structures for use in integrated circuits and methods of their manufacture. The container structures have a dielectric cap on the top of a conductive container to reduce the risk of container-to-container shorting by insulating against bridging of conducti... | 04/03/2007 |
| 7194060 | Cask and method of manufacturing the cask Heat conductive fins (107) are welded along both sides of a belt-like member (105a) with a margin left along edges of the both sides, thereby to form a unit (105c). The unit (105c) is welded to a body (101) wit... | 03/20/2007 |
| 7185512 | Installation for the very long storage of products that emit a high heat flux An installation for very long term storage of products emitting a high thermal flux. The installation comprises a container (14), in which the products to be stored are placed, and an evaporator (22) surrounding the container, to evacuate the heat thro... | 03/06/2007 |
| 7176472 | Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof In the metal billet to be used for hot dilation forming, a forward side with respect to the pressing direction has a quadrate section and its diagonal length is not more than an inner diameter of a container. Moreover, a backward side with respect to the pressing di... | 02/13/2007 |
| 7177384 | Aluminum composite material, manufacturing method therefor, and basket and cask using the same A basket has a lattice-like section for accommodating individual used nuclear fuel in predetermined positions in a cask. The basket is made from aluminum composite material having good neutron absorption ability, excellent mechanical property and workability. The al... | 02/13/2007 |
| 7139357 | Reactor servicing platform A method of servicing a nuclear reactor during a reactor outage is provided. The reactor includes a primary containment vessel and a reactor pressure vessel positioned in the primary containment vessel. The method includes positioning a servicing platform above the ... | 11/21/2006 |
| 7139358 | Below grade cask transfer facility A system and method for transferring a canister of spent nuclear fuel from a transfer cask to a receiving cask. In one aspect, the system comprises a below grade opening adapted for receiving a cask; a platform positioned within the opening, the platform capable of ... | 11/21/2006 |
| 7136449 | Nuclear reactor plant The invention provides a cooling system which includes at least one and preferably a plurality of coolant chambers arranged around a heat source, typically a nuclear reactor. A coolant inlet pipe enters the or each coolant chamber at a high level and extends downwar... | 11/14/2006 |
| 7119349 | Concrete cask and method for manufacturing thereof It is an object of the present invention to obtain a containment concrete cask which has heat removal capacity maintained at the conventional level or beyond it and which prevents radiation from leaking to the outside. In a concrete cask, a shielding body composed o... | 10/10/2006 |
| 7093794 | Aircraft and detonative engine incorporating pulse detonation engines An aircraft includes at least one airfoil having a leading edge and a trailing edge. A number of pulse detonation engines are distributed along one of the leading and trailing edges of the airfoil and are positioned beneath the airfoil. Each pulse detonation engine ... | 08/22/2006 |
