Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7304301 | In-situ BWR and PWR CRUD flake analysis method and tool The invention provides a method and tool to perform an analysis of CRUD on a nuclear fuel rod. The method recites providing a nuclear fuel rod with a layer of CRUD on an exterior of the fuel rod, scraping the CRUD from the fuel rod with a CRUD scraping tool and coll... | 12/04/2007 |
| 7283360 | Enhanced flow channel for component cooling in computer systems An evaporator having an enhanced flow channel design for use in a computer system is described. Specifically, micro-channels of the evaporator comprise nucleation sites and different channel widths. The enhanced flow channel design improves heat transfer from a comp... | 10/16/2007 |
| 7132651 | In-situ BWR and PWR CRUD flake analysis method and tool The invention provides a method and tool to perform an analysis of CRUD on a nuclear fuel rod. The method recites providing a nuclear fuel rod with a layer of CRUD on an exterior of the fuel rod, scraping the CRUD from the fuel rod with a CRUD scraping tool and coll... | 11/07/2006 |
| 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 |
| 6928133 | Pressurized light water reactor having flow converting grooves for emergency core cooling water A direct vessel injection-type pressurized light water reactor (DVI-PLWR), in which an emergency core cooling water (ECC) is directly injected into a downcomer of a reactor vessel, is disclosed. In order to reduce the ratio of ECC bypass from the downcomer to a brok... | 08/09/2005 |
| 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 |
| 6845138 | Spacer grid with hybrid flow-mixing device for nuclear fuel assembly A spacer grid with hybrid flow-mixing devices for nuclear fuel bundle is made up of an intersection of a plurality of thin straps at right angles to form a plurality of cells for receiving and supporting fuel rods. Each strap is composed of two types of strap units,... | 01/18/2005 |
| 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 |
| 6650723 | Double strip mixing grid for nuclear reactor fuel assemblies A double strip mixing grid for nuclear reactor fuel assemblies is disclosed. This grid is fabricated by intersecting at right angles a plurality of double strips, each fabricated by welding two thin sheets together into a single structure with coolant cha... | 11/18/2003 |
| 6519309 | Pressurized water reactor fuel assembly spacer grid A spacer grid for PWR assemblies is characterized by curved flow channels between adjacent fuel rods and straight, essentially flat strips connecting opposite side plates of the spacer. The latter strips prevent bowing-out of the side plates during fuel a... | 02/11/2003 |
| 6477217 | Target for neutron scattering installation Flow of mercury from a liquid-heavy-metal inflow port toward an inner forward end of a container body is rectified by a plurality of incoming-passage guide vanes in a liquid-heavy-metal incoming passage. Flow of the mercury from the forward end of the con... | 11/05/2002 |
| 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 |
| 6415011 | Spacer and a fuel assembly for a nuclear boiling water reactor The invention concerns a spacer (14) for a nuclear boiling water reactor. The spacer (14) comprises a plurality of cells (16) for holding or allowing elongated elements (12) to pass through the cells. Between the cells (16) there are a plurality of flow c... | 07/02/2002 |
| 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 |
| 6236701 | Fuel assembly for a nuclear reactor A fuel assembly for a boiling water reactor comprising at least one rotary cell (13a-13d) which has fuel rods (4) arranged in a number of concentric rings with a substantially circular shape, and a steam conducting channel (17a-17d) arranged in the centre... | 05/22/2001 |
| 5878100 | Fuel assembly for a boiling water reactor A fuel assembly for a boiling water reactor comprises a plurality of first full-length fuel rods arranged in an orthogonal lattice, wherein each fuel rod is included in two rows of fuel rods perpendicular to each other, and a number of second fuel rods ar... | 03/02/1999 |
| 5530729 | Fuel assembly and spacer for a boiling reactor A fuel assembly and a spacer for a boiling reactor comprises an elongated fuel channel which is connected to a coolant intended to flow therethrough. In the fuel channel there is arranged a bundle of also elongated fuel rods retained by a plurality of spa... | 06/25/1996 |
| 5526387 | Flow tabs for a fuel rod bundle spacer A spacer for use with a fuel bundle in a nuclear reactor includes a matrix of ferrules for surrounding individual fuel rods within a bundle; a band surrounding the matrix and defining a peripheral wall of the spacer, the band having an upper edge; and a p... | 06/11/1996 |
| 5493590 | Critical power enhancement system for a pressurized fuel channel type nuclear reactor using CHF enhancement appendages A critical power enhancement system is provided for a pressurized fuel channel type nuclear reactor comprising a plurality of fuel bundles contained in a fuel channel and containing a plurality of fuel elements horizontally oriented within the fuel channe... | 02/20/1996 |
| 5384815 | Hydraulic resistance strip for a light water reactor An improved fuel rod is provided having a part-length fuel rod portion that improves performance with respect to typical part-length fuel rods without significant degradation of the benefits that are achieved by using such a system, e.g., improved fuel ut... | 01/24/1995 |
| 5375153 | Coolant vent fuel rod and part length fuel rod having a reflex upper end fitting for a light water reactor An improved fuel rod is provided having a part-length fuel rod portion that improves performance with respect to typical part-length fuel rods without significant degradation of the benefits that are achieved by using such a system, e.g., improved fuel ut... | 12/20/1994 |
| 5180548 | Grid having mixing fins for a nuclear fuel assembly A mixing grid for use in a pressurized reactor comprises at least two sets of crossed fixed together at their cross-points, delimiting cells, some for receiving fuel rods and the others for receiving guide tubes, the plates being provided with coolant sti... | 01/19/1993 |
| 5087412 | Nuclear reactor A nuclear reactor using gas as a primary coolant and a liquid as a moderator and/or reflector. Gas coolant flows through inlet passages around the outlet plenum to a distributor plate. The gas is directed between fuel element housing thimbles and fuel ele... | 02/11/1992 |
| 4758403 | Grid with mixing fins for a nuclear fuel assembly A spacing grid is provided for a nuclear fuel assembly comprising two sets of intersecting metal plates having fins and defining fuel element receiving pockets. The plates comprise solely half-fins each associated with a single pocket of the grid, dispose... | 07/19/1988 |
| 4716015 | Modular nuclear fuel assembly design A modular component nuclear fuel assembly design in which sub-assembly fuel modules are joined together to form an integral fuel assembly. The invention permits a defective or damaged fuel assembly to be reconstituted from new sub-assembly fuel modules th... | 12/29/1987 |
| 4640813 | Soluble burnable absorber rod for a nuclear reactor A soluble burnable absorber rod for a nuclear reactor fuel assembly has a tubular body with a pair of end plugs sealing the opposite ends thereof and defining a chamber within the body. A neutron absorber material in liquid form, preferably boric acid wit... | 02/03/1987 |
| 4522781 | Integral nuclear fuel element assembly An integral nuclear fuel element assembly utilizes longitudinally finned fuel pins. The continuous or interrupted fins of the fuel pins are brazed to fins of juxtaposed fuel pins or directly to the juxtaposed fuel pins or both. The integrally brazed fuel ... | 06/11/1985 |
| 4324618 | Fuel element assembly A nuclear fuel assembly of the type having a plurality of nuclear fuel elements disposed in parallel, and forming a plurality of longitudinal flow channels, in a closely packed array is disclosed. Axially spaced longitudinal fins formed integrally on at l... | 04/13/1982 |
| 4303474 | Nuclear reactor core assembly A nuclear reactor core assembly is described in which a plurality of fuel elements and a plurality of blanket elements are arranged in a core assembly. Conduit means direct fluid coolant through the fuel elements and through the blanket elements. The cond... | 12/01/1981 |
| 4274920 | Water-cooled nuclear reactor with passive emergency shutdown and core cooling capability and on-line refueling A water-cooled nuclear reactor is provided with a passive emergency shutdown and core cooling capability by providing it with emergency fuel element dispersal means operable from internal energy contained within the reactor pressure vessel for dispersing ... | 06/23/1981 |
| 4259155 | Fuel assembly for gas-cooled nuclear reactors Fuel assemblies forming cores of gas-cooled reactors, operate at temperatures too high to permit the use of resilient contact elements for holding the fuel rods centered in the openings of the spacer grids of the fuel assemblies, solid and rigid contact e... | 03/31/1981 |
| 4147591 | Fuel assembly of fast breeder reactor This invention relates to fuel assembly for Fast Breeder Reactor, such as wire spacer fuel assembly, in which the thickness of cladding tubes in the upper end portion of fuel pins positioned in the peripheral region of the assembly is made larger than tha... | 04/03/1979 |
| 4097331 | Coolant mass flow equalizer for nuclear fuel The coolant mass flow distribution in a liquid metal cooled reactor is enhanced by restricting flow in sub-channels defined in part by the peripheral fuel elements of a fuel assembly. This flow restriction, which results in more coolant flow in interior s... | 06/27/1978 |
| 4038138 | Nuclear reactor fuel elements A nuclear reactor fuel element having wire wrap spacing means of a form which contacts the fuel element at a series of regularly spaced intermittent points so that coolant can flow between the wire wrap and the fuel element and between the points of conta... | 07/26/1977 |
| 3997395 | Nuclear fuel assembly The fuel assembly comprises at least one cluster of canned-fuel pins disposed on a uniform lattice within a sleeve defining a duct through which a coolant is circulated. Each fuel pin is provided at least over the greater part of its length with a helical... | 12/14/1976 |
| 3984284 | Spacer capture system for nuclear fuel assemblies A spacer capture system for nuclear fuel assemblies of the type in which fuel rods are disposed in parallel array between supporting end plates. At intervals along the fuel rods spacer grids are provided which properly position the fuel rods, reducing vib... | 10/05/1976 |
| 3964968 | Nuclear reactor fuel assembly A nuclear reactor fuel assembly, wherein at least some of the fuel elements are provided with spacer members. The spacer members are arranged in a helical line on the lateral surface of each of said fuel elements having spacer members. A spacer member is ... | 06/22/1976 |
| 3944468 | Fuel pin cluster for a high-power reactor Each fuel pin of the cluster is fitted with a spacer element wound in a coarse-pitch helix on the external surface of the fuel can and attached to end-caps of the can. The spacer element consists of a deformable tube having a constant initial cross-sectio... | 03/16/1976 |
| 3936349 | Nuclear reactors A nuclear reactor core comprises an array of closely packed components which include fuel elements and may include control rod guide tubes. The components are arranged with their longitudinal axes vertical and in groups. The components of each group are u... | 02/03/1976 |
