Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8009790 | Debris Trap A debris trap catches debris falling through a fuel bundle orifice in a nuclear reactor. The debris trap includes a shaft and a debris capture tray attached to an end of the shaft. The debris capture tray includes a tray cavity sized larger than the fuel bundle orif... | 08/30/2011 |
| 7822164 | Protective screen for the screening off of a suction space A protective screen for the screening off of a suction space and a suction duct connected to it in a cooling system, include at least one screen wall element which has a suction side and an outflow side. The screen wall element is built up from a plurality of modula... | 10/26/2010 |
| 7264729 | Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina This invention relates to a process for reducing the contaminants in condensate resulting from the conversion of bauxite to alumina. ... | 09/04/2007 |
| 7247337 | Method and apparatus for microarray fabrication The invention provides a method and apparatus for micro array fabrication exclusive from the impact of a gas. A housing with a gas free chamber provides for improved micro array fabrication with a lower defect rate. The invention provides a housing that excludes a g... | 07/24/2007 |
| 7211190 | Strainer wall for the screening off of a suction space A strainer wall (1) to screen off a suction space (3) and a suction duct (5) connected to it in an emergency cooling system of a nuclear power plant includes at least one strainer wall element (2) which has an inlet side (12) and a... | 05/01/2007 |
| 7149272 | Filter for cooling water in a light water cooled nuclear reactor The invention refers to a filter (1) for separating particle from cooling water in a nuclear plant, and a fuel assembly with such a filter. The filter has an inlet end (2) and an outlet end (3) and permits through-flow of the cooling water in a ... | 12/12/2006 |
| 7027549 | Nuclear power plant system and method of operating the same Migration of radioactive materials from a pressure vessel to a steam system in a nuclear power plant is suppressed by using a dryer (3) provided with corrugated plates (22) having surfaces coated with an inorganic ion-exchange material stable under a c... | 04/11/2006 |
| 6950489 | Guide tube for an instrumentation lance extending into a pressure vessel, reactor pressure vessel, and a method for preventing the accumulation of particles outside the pressure vessel in a guide tube The invention relates to a guide tube especially for an instrumentation lance extending into a reactor pressure vessel. The guide tube includes a lower tube section and an upper tube section that extends into the interior of the reactor pressure vessel. In order to ... | 09/27/2005 |
| 6921515 | Apparatus for chemical decontamination In a chemical decontamination apparatus, a catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus in a further upstream side, reduce the amount of waste products caused by a chemical decontaminat... | 07/26/2005 |
| 6876713 | Filter and fuel assembly for a light-water nuclear reactor A filter for separating particles from cooling water in a nuclear plant of light water model. The filter has an inlet end (2) and an outlet end (3) and allow flowing through of the cooling water in a flow direction z from the inlet end to the outlet en... | 04/05/2005 |
| 6847695 | Nuclear fuel assembly lower tie-plate and method of its assembling A fuel assembly lower tie-plate with better performance in capturing linearly elongated foreign substances. The lower tie-plate has a screening plate positioned below the network section in the lower tie-plate cavity. The screening plate is arranged substantially ho... | 01/25/2005 |
| 6829319 | Condensate demineralization In a demineralization apparatus, a mixed bed of a gel type cation exchange resin having a moisture holding capacity of 41% or less or a degree of crosslinkage of 12% or greater is employed along with a porous type anion exchange resin. As a result, oxidation degrada... | 12/07/2004 |
| 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 |
| 6633624 | Condensate demineralization In a demineralization apparatus, a mixed bed of a gel type cation exchange resin having a moisture holding capacity of 41% or less or a degree of crosslinkage of 12% or greater is employed along with a porous type anion exchange resin. As a result, oxidat... | 10/14/2003 |
| 6608880 | Reduced pressure drop debris filter bottom nozzle for a fuel assembly of a nuclear reactor A reduced pressure drop debris filter bottom nozzle for use in a fuel assembly of a nuclear reactor includes a plate member formed with a plurality of first flow holes and a plurality of second flow holes. The first flow holes are oblong in cross section ... | 08/19/2003 |
| 6491818 | Suction strainer with an internal core tube A suction strainer includes a hollow internal core tube and an external filtering surface built around the internal core tube. A plurality of openings are defined through the side wall of the internal core tube core. In some cases the openings through the... | 12/10/2002 |
| 6466637 | CRUD collection system A CRUD collection system for removing deposits from a nuclear reactor fuel rod submerged in pool water. The system includes a sealable collection head for containing a portion of the fuel rod. The collection head includes at least one seal positioned to r... | 10/15/2002 |
| 6456683 | Method and apparatus for deionizing condensate A method and an apparatus for deionizing water are disclosed. A condensate in the secondary cooling water system in a PWR nuclear power plant is passed through a mixture of an anion exchange resin and a cation exchange resin having a crosslinking degree o... | 09/24/2002 |
| 6452995 | Device for measuring gas pressure A device for measuring gas pressure that is dependent upon the level of a liquid comprises a pressure indicator or sensor (6, 6') which is connected to an upper part of a tube conduit (7, 7') which is filled with gas and intended to operate in a liquid ma... | 09/17/2002 |
| 6430249 | Polymer dispersants and methods of use in a nuclear steam generator A novel high-purity polymer dispersant and sludge conditioner added to the feedwater entering the secondary side of a nuclear steam generator for minimizing the accumulation of metal-oxide deposits within the nuclear steam generator during the continuing ... | 08/06/2002 |
| 6352645 | Liquid-tank debris extraction system and method of operation thereof A system (20) is presented for extraction of debris (22) from a tank (24) of potentially radioactive water (26) in a nuclear-powered energy-generation facility. The system (20) utilizes a subaqueous reversible motor (28), a subaqueous pump (30) magnetical... | 03/05/2002 |
| 6254774 | Apparatus for radioactive particulate filtration Apparatus is provided for filtering particulate matter from a fluid flow pumped from a coolant pool for a nuclear reactor. The apparatus comprises a large vessel with an interior chamber in which is rotatably supported a turntable in the form of a rigid b... | 07/03/2001 |
| 6246739 | Passive aerosol retention apparatus Passive aerosol retention apparatus positioned in the connecting vents of a nuclear reactor containment are described. The aerosol retention apparatus minimizes aerosol transport from the lower drywell to the upper drywell of the reactor containment. The ... | 06/12/2001 |
| 6219399 | Maintenance method in nuclear power plant A maintenance of a suppression pool or spent fuel storage pool in a reactor primary containment vessel of a nuclear power plant includes a cleaning step of a water in the suppression pool and a decontamination step of an interior of the suppression pool, ... | 04/17/2001 |
| 6216728 | Tunable anticipatory output response valve control A valve control apparatus for generating an anticipatory output response for controlling a fluid flow in a fluid flow line includes a valve provided inside the fluid flow line, at least one sensor for providing at least one input signal, said at least one... | 04/17/2001 |
| 6175606 | Filter for a nuclear fuel assembly A fuel assembly (1) for a boiling water nuclear reactor comprising a plurality of vertical fuel rods (3) which are arranged in spaced relationship between a bottom tie plate (6) and a top tie plate (5). The bottom tie plate (6) is provided with through-ho... | 01/16/2001 |
| 6086652 | Method and apparatus for initial purification of liquid metal heat exchange fluid A method for removing oxides from a liquid metal heat exchange fluid following the initial startup of the heat exchange system fixes oxygen by locating an oxygen scavenging material in a drain tank. During initial fabrication and periods of maintenance me... | 07/11/2000 |
| 6074882 | Device determining a concentration of a gas mixture In order to determine a concentration of a gas mixture, especially a hydrogen concentration of a containment atmosphere of a nuclear power station, a temperature change resulting from a catalytic reaction is measured. The gas mixture is diluted with a mot... | 06/13/2000 |
| 5958234 | Suction strainer with an internal core tube A suction strainer includes a hollow internal core tube and an external filtering surface built around the internal core tube. A plurality of openings are defined through the side wall of the internal core tube core. In some cases the openings through the... | 09/28/1999 |
| 5935439 | Suction system with end supported internal core tube suction strainers An elongated internal core tube suction strainer supported at its ends for use in a suction system is disclosed as is a suction system comprising the elongated suction strainer in combination with ECCS pipes in various support combinations. The elongated ... | 08/10/1999 |
| 5901368 | Radiolysis-assisted decontamination process A method for minimizing the radioactive waste produced by decontamination processes for water-cooled nuclear reactors. The method exposes the decontamination chemicals to the ionizing radiation emitted from the reactor fuel under controlled conditions to ... | 05/04/1999 |
| 5896433 | Method of preventing the deposition of radioactive corrosion products in nuclear plants Metal ions are added to a circuit (20, 30) for the reactor water or feed water of a nuclear plant. This is accomplished by dissolving a soluble metal compound the counter-ion of which is possible to decompose to gaseous products and water in water in a re... | 04/20/1999 |
| 5872825 | Apparatus and method for inerting and venting the containment atmosphere in a nuclear power station When hydrogen is generated within the containment of a nuclear power station, its containment atmosphere must be inerted. An undesired pressure buildup within the containment is prevented during such inerting with the apparatus and the method. It is possi... | 02/16/1999 |
| 5867550 | Process for the production of a screen plate for a fuel assembly foot and corresponding fuel assembly In a fuel assembly for a nuclear reactor and a process for the production of a screen plate for a foot of the fuel assembly, a particle trap is disposed in the foot of the fuel assembly in order to protect fuel rods of the fuel assembly from damage by for... | 02/02/1999 |
| 5867551 | Nuclear fuel assembly for pressurized water reactor A nuclear fuel assembly for use in a pressurized water reactor comprising a top nozzle and a bottom nozzle, fuel rods loaded and supported by grids in cells thereof and interconnected between a lowermost grid and the top nozzle, and a filter member interp... | 02/02/1999 |
| 5843314 | Suction strainer with an internal core tube A suction strainer includes a hollow internal core tube and an external filtering surface built around the internal core tube. A plurality of openings are defined through the side wall of the internal core tube core. In some cases the openings through the... | 12/01/1998 |
| 5835865 | Method and device for the disposal of a cation exchanger A cation exchanger is loaded only with radioactive cations by repeatedly converting the non-bivalent, inactive cations into anionic complexes and flushing the complexes out of the cation exchanger. The cation exchanger, which may be integrated in a primar... | 11/10/1998 |
| 5835549 | BWR emergency core cooling system strainer A BWR emergency core cooling system suction strainer. The strainer comprises corrugated metal screen material formed of alternating ridges and furrows with flat chordal lands and flat side walls interconnecting the lands; and an elongated frame with arcua... | 11/10/1998 |
| 5832393 | Method of treating chelating agent solution containing radioactive contaminants Although a chelating agent solution having radioactive contaminants is solidified by mixing with cement and then stored, a vast storage place is required for storing an enormous amount of chelating agent solution. When such a chelating agent solution is t... | 11/03/1998 |
| 5815544 | Self-cleaning strainer A strainer for filtering a pumped fluid has a strainer body having a wall provided with fluid inlet perforations in an outer surface, a surface cleaning scraper or brush in juxtaposition with the outer surface, and a drive operatively connected to the sur... | 09/29/1998 |
