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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7424086 | Fuel assembly for a pressurized-water nuclear reactor A fuel element for a pressurized water reactor has fuel rods guided through a number of axially spaced spacers. The spacers form a square grid with mesh openings arranged in rows and columns. Support tubes that do not contain fuel pass through a number of the mesh h... | 09/09/2008 |
| 7418072 | Spacer A spacer for a fuel assembly for a light water nuclear reactor contains a plurality of intercrossed segments, which form a grid. The segments are formed from first and second metal strips which are assembled and provided with protruding parts or corrugations in such... | 08/26/2008 |
| 7349518 | Boiling water reactor core and fuel assemblies therefor A ratio of the number of fuel assemblies loaded on a core to the number of control rod drive mechanisms is 3 or more. The fuel assembly itself contains mixed oxides of a low enrichment concentration uranium oxide containing 3 to 8 wt % in the average enrichment conc... | 03/25/2008 |
| 7346141 | Apparatus and method for moving a ferromagnetic element A device and technique for placing and moving a ferromagnetic element in an annulus between coaxially arranged cylindrical tubes. The device includes an electromagnetic ram moved along the interior of a cylindrical tube. The movable ferromagnetic element is magnetic... | 03/18/2008 |
| 7257185 | Fuel assembly and thimble screw of the same A fuel assembly includes a bottom nozzle set on a lower core plate of a nuclear reactor, a top nozzle with a hold down spring to urge the bottom nozzle against the lower core plate, guide thimbles which guide control rods, having passed through the top nozzle, towar... | 08/14/2007 |
| 7139353 | Boiling water reactor nuclear fuel assembly lifting support A lifting support for a boiling water reactor nuclear fuel assembly comprising a grappling head configured to allow attachment to a lifting device, a body with an upper end and a lower end, the upper end connected to the grappling head, the body configured to be ins... | 11/21/2006 |
| 7076992 | Method and apparatus for calibrating position and thickness in acoustic hull testing A system is provided for calibrating an acoustic hull integrity sensing system by providing a coupon attached to the interior surface of the hull, in which the coupon has a stepped calibration block, with one of the steps approximating the thickness of the hull to b... | 07/18/2006 |
| 6934350 | Core configuration for a nuclear reactor In an embodiment of the present invention, the core of a nuclear reactor includes a plurality of fuel cells and a plurality of large control rods. Each large control rod is about two times the width of a conventional control rod and includes four control rod blades ... | 08/23/2005 |
| 6934351 | Boiling water reactor fuel assembly An fuel assembly with a connection between a fuel channel and a lower tie plate to allow the fuel channel to be removed from an internal fuel rod assembly without the necessity of moving interior fuel rods during removal of the fuel channel. ... | 08/23/2005 |
| 6912264 | Fuel assembly A fuel element for a nuclear reactor has fuel rods with nuclear fuel guided through spacers. The spacers are equipped with devices that exert a swirling impulse upon a coolant flowing along the fuel rods. In order to present as little flow resistance as possible for... | 06/28/2005 |
| 6909766 | Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same One object of the present invention is to provide a production method for a nuclear fuel assembly support grid that improves the corrosion resistance of welded parts without impairing the characteristics of the support grid so as to be able adequately withstand high... | 06/21/2005 |
| 6885722 | Fuel assembly A fuel assembly attains high burnup and increases reactor shut-down margin when loaded into a reactor core wherein a water gap width on a control rod side and a water gap width on a side opposite to the control rod side are almost equal to each other. The fuel assem... | 04/26/2005 |
| 6819733 | Fuel assembly and associated grid for nuclear reactor An improved grid for use in a fuel assembly of a nuclear reactor includes a plurality of straps that are interconnected with one another in a lattice fashion to define a plurality of cells, with the straps being configured to include a plurality of relatively more c... | 11/16/2004 |
| 6813329 | Crud-resistant nuclear fuel cladding A crud-resistant nuclear fuel element cladding in which the axial locations that experience nucleate boiling during reactor full power operation are highly polished so that the maximum size of any surface defect on the highly polished surface is approximately 0.1 mi... | 11/02/2004 |
| 6813327 | Core support for an F-lattice core of a boiling water nuclear reactor A core plate assembly for a nuclear reactor includes a plurality of support beams, a flat plate positioned on top of the support beams, a plurality of control rod guide tube openings arranged in staggered rows, and a plurality of fuel supports extending through the ... | 11/02/2004 |
| 6744842 | Fuel assembly for a pressurized-water reactor A fuel assembly for a pressurized-water reactor includes fuel rods held in cells of spacers, control rod guide tubes, and a headpiece and a foot piece, by which it is fixed to upper and lower core grids, respectively. A spacer having a first part, which lies on a ra... | 06/01/2004 |
| 6735267 | Fuel assembly A fuel assembly in accordance with the present invention comprises a plurality of first fuel rods and a plurality of second fuel rods having a length shorter than a length of the first fuel rod, and these two kinds of fuel rods are arranged in a fuel rod array of 10... | 05/11/2004 |
| 6690758 | Perforated debris catcher for a nuclear fuel assembly A nuclear fuel assembly includes a fuel bundle resting on a lower tie plate. The lower tie plate includes a grid having raised bosses disposed in a rectilinear array for receiving the end plugs of the fuel rods and webs interconnecting the bosses. Between... | 02/10/2004 |
| 6674831 | Fuel assembly and thimble screw of the same A fuel assembly includes a bottom nozzle set on a lower core plate of a nuclear reactor, a top nozzle with a hold down spring to urge the bottom nozzle against the lower core plate, guide thimbles which guide control rods, having passed through the top no... | 01/06/2004 |
| 6665366 | Monobloc fuel element and boiling water and fast spectrum nuclear reactor using such elements A single piece fuel element and fast spectrum boiling water reactor using such a single piece fuel element. The single piece fuel element is formed from coated fissile particles embedded in a matrix made from a material such as SiC that is inert to all fi... | 12/16/2003 |
| 6658078 | MOX nuclear fuel assembly employable for a thermal neutron nuclear reactor A MOX nuclear fuel assembly employable either for a thermal neutron reactor employing UO2 as the nuclear fuel and light water as the moderator/coolant or for a thermal neutron reactor employing the MOX fuels as the nuclear fuel and light water ... | 12/02/2003 |
| 6643350 | Fuel assembly A fuel assembly attains high burnup and increases reactor shut-down margin when loaded into a reactor core wherein a water gap width on a control rod side and a water gap width on a side opposite to the control rod side are almost equal to each other. The... | 11/04/2003 |
| 6631176 | Fuel assembly A fuel assembly for a pressurized water reactor having control rod guide thimbles (5) each having a dashpot (12) for protecting against flexural deformation which may impair insatiability of a control rod. The fuel assembly includes, a plurality of contro... | 10/07/2003 |
| 6600799 | Fuel element with fuel rods for a boiling water reactor For the redistribution of a coolant flow from a first region into a second region, in particular in boiling-water-reactor fuel elements having an eccentrically disposed water passage, a fuel-rod bundle is constructed in a mirror symmetry manner relative t... | 07/29/2003 |
| 6598029 | Bidding for energy supply with request for service An auction service is provided that stimulates competition between energy suppliers (i.e., electric power or natural gas). A bidding moderator (Moderator) receives bids from the competing suppliers of the rate each is willing to charge to particular end u... | 07/22/2003 |
| 6526116 | Nuclear fuel assembly with hydraulically balanced mixing vanes A support grid for laterally maintaining the relative position of elongated fuel elements within a fuel assembly for use within a core of a nuclear reactor. The grid is formed in the shape of a lattice with the intersecting lattice members defining a plur... | 02/25/2003 |
| 6516043 | Fuel assembly and reactor core and fuel spacer and channel box A fuel assembly includes a plurality of fuel rods placed in a square lattice array of 9-rows/9-columns and at least one water rod. In this fuel assembly, the fuel rod pitch of the plurality of fuel rods is in a range of 14.15 mm to 14.65 mm, and means for... | 02/04/2003 |
| 6516042 | Nuclear fuel assembly The invention relates to a fuel assembly for a boiling water reactor which is adapted, during operation of the reactor, to allow water to flow upwards through the fuel assembly while absorbing heat from a plurality of fuel rods, whereby part of the water ... | 02/04/2003 |
| 6510192 | Boiling water type nuclear reactor core and operation method thereof A boiling water type nuclear reactor core, in which a plurality of fuel assemblies, each enclosed in a channel box, are loaded and a plurality of control rods, each having control blades, are arranged between the channel boxes. Long blade control rods, ea... | 01/21/2003 |
| 6487266 | Siphon water rods A fuel bundle assembly for a boiling water nuclear reactor comprising a plurality of fuel rods having respective fuel columns therein, and arranged in an ordered array, extending between upper and lower support structures, the plurality of fuel rods enclo... | 11/26/2002 |
| 6434210 | Fuel assembly A fuel assembly attains high burnup and increases reactor shut-down margin when loaded into a reactor core wherein a water gap width on a control rod side and a water gap width on a side opposite to the control rod side are almost equal to each other. The... | 08/13/2002 |
| 6434209 | Critical power enhancement system for a pressurized fuel channel type nuclear reactor using alignment of fuel bundle pairs A Critical Channel Power (CCP) enhancement system is provided for a pressurized fuel-channel-type water-cooled nuclear reactor of the type adapted to be refuelled on-line by the insertion and removal of fuel bundles onto and from of a plurality of said fu... | 08/13/2002 |
| 6385271 | Nuclear fuel assembly The present invention relates to a fuel assembly for a light-water reactor with a substantially square cross section wherein the fuel assembly comprises a plurality of fuel rods (4). The fuel rods (4) extend between a bottom tie plate (5) and a top tie pl... | 05/07/2002 |
| 6356614 | Anchor assembly for fuel bundle Anchor assembly apparatus for improving the structural integrity of a guide tube (26) in a nuclear fuel bundle (20). A sleeve (100) has a proximate end (102) and a distal end (104) that is adapted for insertion into a receiving end (38) of the guide tube.... | 03/12/2002 |
| 6327324 | Nuclear fuel assembly A fuel assembly for a boiling water reactor comprising a plurality of fuel units (3a, 3b, 3c, 3d), stacked on top of each other, each one comprising a top tie plate (5), a bottom tie plate (6) and a plurality of fuel rods (4a, 4b, 4c) arranged between the... | 12/04/2001 |
| 6320925 | Space for a fuel assembly of a nuclear power station A spacer of a fuel assembly having intersecting webs undergoes reduced longitudinal expansion as a result of corrosion during an operating period. The webs have intersection locations at which assembly gaps are provided. The assembly gaps have widths whic... | 11/20/2001 |
| 6246741 | Fuel assembly A fuel assembly for a pressurized water reactor having control rod guide thimbles (5) each having a dashpot (12) for protecting against flexural deformation which may impair insertability of a control rod The fuel assembly includes, a plurality of control... | 06/12/2001 |
| 6229868 | Nuclear fuel assembly The present invention relates to a fuel assembly for a light-water nuclear reactor with a substantially square cross section which comprises fuel rods (4) extending between a bottom tie plate (16) and a top tie plate (17). A coolant is adapted, during ope... | 05/08/2001 |
| 6205196 | Boiling water type nuclear reactor core and operation method thereof A boiling water type nuclear reactor core, in which a plurality of fuel assemblies, each enclosed in a channel box, are loaded and a plurality of control rods, each having control blades, are arranged between the channel boxes. Latitudinal long blade cont... | 03/20/2001 |
| 6181762 | Nuclear fuel bundle having different peak power limits A nuclear fuel bundle has differential peak power limits for the edge or peripheral fuel rods and the interior fuel rods. Also, the magnitude of nuclear fuel in the edge or peripheral rods is decreased in comparison with the magnitude of nuclear fuel in t... | 01/30/2001 |
