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| Number | Title | Issue Date |
| 7321650 | Apparatus for transferring an article between fluid-filled vessels The invention relates to a method for transferring an article from a fluid-filled first vessel into a fluid-filled second vessel or in the opposite direction. The vessel is connected by a connecting element, in which there is a transport device for moving the articl... | 01/22/2008 |
| 6895067 | Smooth collet for pulling fuel rods A method and apparatus is disclosed for smoothly inserting a fuel rod loader through the skeleton of a fuel cell and then for pulling an attached fuel rod into the fuel rod skeleton while keeping the fuel rod under constant tension and preventing the bowing of the f... | 05/17/2005 |
| 6885718 | Method and apparatus for transferring an article between fluid-filled vessels The invention relates to a method for transferring an article from a fluid-filled first vessel into a fluid-filled second vessel or in the opposite direction. The vessel is connected by a connecting element, in which there is a transport device for moving the articl... | 04/26/2005 |
| 6578721 | Pivoted arm for lowering under a slab An instrument (1) is lowered into a tank with a narrow opening (4) guided by an articulated arm (11) mounted on a mobile trolley on the periphery of the opening. The rotation of the arm consecutive to this movement and the pivoting of the lower section (1... | 06/17/2003 |
| 6404836 | Removable spent fuel handling machine rail A removable rail assembly for use with a spent fuel handling machine, including a support rail, a rail guide carried by the support rail, a rail joint connector supported by the rail guide for coupling the rail guide to adjacent rails, and at least one ja... | 06/11/2002 |
| 6359953 | Loading machine for transferring closely adjacent elongate articles, in particular fuel elements, and method for simultaneously transferring fuel elements A loading machine for simultaneously transferring fuel elements between a reactor core and a storage rack in a nuclear power station has a mast divided into individual mast parts. Each mast part has its own gripping and guiding devices for gripping and ho... | 03/19/2002 |
| 5896430 | Method and a device for fuel handling The present invention is used in fuel handling for lifting of fuel assemblies and/or control rods out of/into a reactor vessel in a nuclear reactor. The reactor vessel comprises a reactor core with a plurality of fuel assemblies and control rods. A fuel p... | 04/20/1999 |
| 5644607 | Automatic refueling apparatus An automatic refueling apparatus has a travel carriage, a traverse carriage and a fuel assembly grappling apparatus composed of a grapple, an extension pipe and a hoist. The automatic refueling apparatus also includes a system for controlling automatic fu... | 07/01/1997 |
| 5291532 | Fuel transfer system A nuclear fuel bundle fuel transfer system includes a transfer pool containing water at a level above a reactor core. A fuel transfer machine therein includes a carriage disposed in the transfer pool and under the water for transporting fuel bundles. The ... | 03/01/1994 |
| 5069863 | Dual winch nuclear fuel transfer system providing more reliable fuel transfer during refueling operations A transfer system moves fuel assemblies along a track extending through a transfer tube within a containment wall in a nuclear power plant between the auxiliary building side and the containment building side. A car carries a basket for the assemblies. Tw... | 12/03/1991 |
| 5024803 | Emergency device for the control of the displacement for a carrier conveying a nuclear fuel assembly An emergency device for the control of the displacement of a conveying carrier for a nuclear fuel assembly, in which the conveying carrier (6) moves under the effect of a push-pull chain (15) actuated by a driving mechanism causing, according to the direc... | 06/18/1991 |
| 4886401 | Diverter assembly for radioactive material A diverter assembly for diverting a pneumatically conveyed holder for a radioactive material between a central conveying tube and one of a plurality of radially offset conveying tubes includes an airtight container. A diverter tube having an offset end is... | 12/12/1989 |
| 4826651 | Method and apparatus for assisting the process of loading a reactor core with elongated fuel elements Method and apparatus for assisting the loading of a reactor core with new and/or irradiated elongated fuel assemblies which includes inserting a fuel assembly with a fuel assembly carrier from a storage pit into a grid position of a reactor core with a re... | 05/02/1989 |
| 4786460 | Installation for handling assemblies forming the core of a fast neutron nuclear reactor In an installation for handling assemblies between the main vessel of a fast neutron nuclear reactor and an adjoining vessel, use is made of a transfer hood formed by a thick tube whose inclined axis can be moved alternatively into the prolongation of the... | 11/22/1988 |
| 4737336 | Core assembly storage structure A structure for the storage of core assemblies from a liquid metal-cooled nuclear reactor. The structure comprises an enclosed housing having a substantially flat horizontal top plate, a bottom plate and substantially vertical wall members extending there... | 04/12/1988 |
| 4725398 | Cable reeving system A cable-driven arm-reciprocating system particularly useful for transferring nuclear fuel bundles from a nuclear reactor pool to a spent fuel storage pool, wherein an arm-retracting cable extends from a winch drum around fixed and movable-axis sheaves to ... | 02/16/1988 |
| 4649016 | Remotely operable fuel transfer system for nuclear reactor A fuel transfer system for transferring fuel assemblies through a transfer tube between fuel exchange locations respectively in a fuel storage and handling building and a containment structure of a nuclear reactor includes a segmented track comprising fir... | 03/10/1987 |
| 4647423 | Fuel handling apparatus for a nuclear reactor Fuel handling apparatus for transporting fuel elements into and out of a nuclear reactor and transporting them within the reactor vessel extends through a penetration in the side of the reactor vessel. A lateral transport device carries the fuel elements ... | 03/03/1987 |
| 4507261 | Handling process and installation for the assemblies of a neutron nuclear reactor Installation for handling the assemblies of a fast neutron nuclear reactor comprising a core located in a vertically axed vessel and constituted by a group of assemblies positioned in a supporting grid, a horizontal slab over the vessel, a large rotary pl... | 03/26/1985 |
| 4485067 | Fuel transfer manipulator for liquid metal nuclear reactors A manipulator for transferring fuel assemblies between inclined fuel chutes for a liquid metal nuclear reactor. Hoisting means are mounted on a mount supported by beams rotatably attached by pins to the mount and to the floor. Rotation of the beams can be ... | 11/27/1984 |
| 4464331 | Transfer and positioning apparatus for the irradiation of targets Apparatus for the transfer and positioning of targets in an irradiation installation equipped with an access lock of axis Z3 Z4 and within which there is a high vacuum, the installation being located in a protective enclosure defined... | 08/07/1984 |
| 4443403 | Apparatus for loading and unloading fuel assemblies for a fast neutron nuclear reactor Apparatus for loading and unloading fuel assemblies, for fast neutron nuclear reactors, and in particular for groups of fast neutron nuclear reactors cooled by liquid sodium located on one and the same site. The apparatus is removable as a unit and compri... | 04/17/1984 |
| 4440718 | Fuel assembly transfer device for breeder nuclear reactor A dismountable and movable device for the transfer of fuel assemblies for a breeder nuclear reactor, comprising a platform (11) mounted for rotation on a support (12) resting on the structure of the reactor. The platform is provided with apertures (19, 20... | 04/03/1984 |
| 4374801 | Method of handling fuel assemblies and rods when reloading a nuclear reactor A nuclear reactor containing assemblies having two caps and a framework inside which fuel rods are disposed vertically is reloaded by first inverting the assembly to be removed into a vertical position permitting the then lower cap to be demounted. The sp... | 02/22/1983 |
| 4366113 | Installation for a nuclear power station with staggered swimming pools In an installation for a nuclear power station comprising a "reactor building" with a first swimming pool for handling of fuel units and a fuel building with a second swimming pool for the transfer, storage and deactivation of the units, the second swimmi... | 12/28/1982 |
| 4364899 | Assembly for passage through a containment slab for transferring irradiated nuclear fuel The invention relates to an assembly for passage through a containment slab for transferring irradiated nuclear fuel, comprising a sleeve passing through the slab and fast therewith and a guide ramp passing through the sleeve and in which moves a handling... | 12/21/1982 |
| 4330369 | Thermally actuated linkage arrangement A reusable thermally actuated linkage arrangement includes a first link member having a longitudinal bore therein adapted to receive at least a portion of a second link member therein, the first and second members being sized to effect an interference fit... | 05/18/1982 |
| 4202729 | Device for the charge and discharge of nuclear reaction fuel assemblies Two guide ramps for the transfer of fuel assemblies in sliding motion between the reactor core and an external storage container are surmounted by a lock-chamber in which two pivotally suspended rectilinear rail sections carried by a revolving unit form g... | 05/13/1980 |
| 4202728 | Double-arm handling device for a nuclear reactor Two carriages which can be displaced independently of each other in vertical translational motion are guided by means of slideways secured to a rotatable vertical body, the upper end of which passes through the rotating shield plug of the reactor. Each ca... | 05/13/1980 |
| 4192715 | Fuel assembly handling system of nuclear reactor The proposed system for handling fuel assemblies of a nuclear reactor comprises a sealed chamber housing a recharging machine comprising a carrier tube, wherein there is arranged a manipulator tube interacting with a reduction gear. Inside the manipulator... | 03/11/1980 |
| 4096031 | Nuclear reactor refueling system A system for transferring fuel assemblies between a nuclear reactor core and a fuel storage area while the fuel assemblies remain completely submerged in a continuous body of coolant. The system comprises an in-vessel fuel transfer machine located inside ... | 06/20/1978 |
| 4069099 | Nuclear reactor fuel transfer system A system for transferring fuel assemblies between a nuclear reactor core and a fuel transfer area while the fuel assemblies remain completely submerged in a continuous body of coolant. The system comprises an in-vessel transfer machine and a valve capable... | 01/17/1978 |
| 4069098 | Ex-vessel nuclear fuel transfer system A system for transferring fuel assemblies between a fuel transfer area and a fuel storage area while the fuel assemblies remain completely submerged in a continuous body of coolant. A fuel transfer area filled with reactor coolant communicating with the r... | 01/17/1978 |
| 3962032 | Fast nuclear reactor A fast reactor of the sodium-cooled type comprises a vertical main vessel for supporting the reactor core and an internal primary vessel for separating the hot sodium discharged from the reactor core from the cold sodium discharged from the heat exchanger... | 06/08/1976 |
| 3955692 | Handling apparatus 1. A device of the character described comprising the combination of a guide tube having a normally open end, a support frame having a port therethrough, linkage means pivotally connected with the tube and with the frame and rotatably supporting the tube ... | 05/11/1976 |
| 3952885 | Nuclear reactor installation A nuclear reactor installation has a containment wall through which a fuel element transfer tube extends and through which fuel elements are passed endwise. The elements are carried by an elongated carrier provided with guide means which at the opposite e... | 04/27/1976 |
