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| Number | Title | Issue Date |
| 8045671 | Injection system and associated operating method A feeding system for an absorber liquid containing a neutron poison, in particular for a quick shut-down of a nuclear reactor, has a storage container for the absorber liquid and is configured for high operational reliability with simple construction. In particular,... | 10/25/2011 |
| 8027424 | Fuel element for a boiling water reactor A fuel assembly for a boiling-water reactor has a water channel and a fuel assembly base, made from a sieve plate and a frame section enclosing the same. The water channel supports a plug with a bore running therethrough, at the lower end thereof, to which the fuel ... | 09/27/2011 |
| 8021494 | Method for the decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility A method of decontaminating an oxide layer-comprising surface of a component or a system of a nuclear facility. An acidic water film is produced on the surface, the film of water is brought into contact with a gaseous acid anhydride, and the oxide layer is treated w... | 09/20/2011 |
| 7931753 | Method for removing deposits containing magnetite and copper from containers in industrial and power plants A method to remove deposits containing magnetite and copper from a container, particularly from a steam generator of a nuclear power plant. In a first step, the container is treated using an alkaline cleaning solution containing a complexing agent forming a soluble ... | 04/26/2011 |
| 7926345 | Apparatus for measuring a filling level An apparatus for measuring the filling level in a liquid vessel, in particular in a reactor vessel of a nuclear-engineering plant, with a plurality of elongate, spaced-apart measurement tubes. Each measurement tube has a number of thermocouples which are distributed... | 04/19/2011 |
| 7873136 | Injection system and associated operating method A feeding system for an absorber liquid containing a neutron poison, in particular for a quick shut-down of a nuclear reactor, has a storage container for the absorber liquid and is configured for high operational reliability with simple construction. In particular,... | 01/18/2011 |
| 7822167 | Nuclear facility and method for operating a nuclear facility A technical installation, especially a nuclear power plant, has a number of system components that are respectively supported by a number of beams, and a number of pressurized conduits. The technical installation is designed in such a way that secondary damage occur... | 10/26/2010 |
| 7822166 | Fuel assembly for a boiling water reactor A fuel assembly for a boiling water reactor contains a plurality of fuel rods maintained laterally by spacers and surrounded by a fuel assembly case. The outer walls of a spacer are provided with projecting elements that maintain a minimum space between the outer su... | 10/26/2010 |
| 7802465 | Collecting conduit, apparatus and method for leakage monitoring and leakage location A collecting conduit for leakage monitoring and leakage location at an installation, includes a support pipe having openings. An outer surface of the support pipe is covered by a layer being permeable to a substance to be monitored, at least on a segment extending i... | 09/28/2010 |
| 7789966 | Method for cleaning the pipes of a heat exchanger by use of an abrasive and device suitable for this method A method and device for cleaning pipes of a heat exchanger includes placing a throttle-free jet nozzle against an end of a pipe. The throttle-free jet nozzle has an outlet opening of a same size or slightly smaller than an inner cross-sectional area of the pipe. A s... | 09/07/2010 |
| 7779526 | Method for the production of a collecting line for detecting and locating an agent discharging into the environment of the collecting line in case of leakage A method for producing a collecting line, and a collecting line produced according to the method is provided for detecting and locating an agent discharging into the environment of the collecting line in case of leakage. Such a collecting line has a carrier pipe, th... | 08/24/2010 |
| 7778378 | Leak detection method for testing fuel rods of fuel assemblies of a boiling water reactor for leaks Fuel rods of fuel assemblies of a boiling water reactor are tested for leaks. A plurality of fuel assemblies are each arranged adjacent to one another in a cell of the upper core grid of the boiling water reactor. A hood is placed above a plurality of cells A water ... | 08/17/2010 |
| 7770435 | Pipeline having a collector line and method for leakage monitoring and leakage location A collector line for leakage monitoring and leakage location at a plant includes a carrier tube having a wall with openings formed therein, which are sealed with silicone rubber. This makes it possible to use the collector line during low ambient temperatures. A dev... | 08/10/2010 |
| 7751522 | Covering element for a reactor core of a nuclear installation, and nuclear reactor A covering element for a reactor core of a nuclear installation provides a secure and tight closure of the reactor core in an operating state and at the same time being simple and cost effective to produce. The covering element is easily disassemblable during mainte... | 07/06/2010 |
| 7684951 | Method and device for detecting a pulse-type mechanical effect on a system part A method and a device for detecting a pulse-type mechanical effect at a system component, include continuously recording an operating noise in the system component with a sensor disposed at the system component and converting the operating noise with the sensor into... | 03/23/2010 |
| 7680237 | Containment vessel and method of operating a condenser in a nuclear power plant A containment vessel of a boiling-water nuclear power plant and a method of operating a condenser in a nuclear power plant, include a drain pipe which connects a top region of the containment vessel to a condensing chamber disposed in the containment vessel. The dra... | 03/16/2010 |
| 7668282 | Method for assembling a pressurized water reactor core, and reactor core configuration The core of a pressurized water reactor is assembled in such a way that if the fuel elements on the edge of the core are bent, these fuel elements are oriented such that the bending of the fuel elements points outwards in a convex manner. When the reactor is in oper... | 02/23/2010 |
| 7606344 | Containment of a nuclear power plant A containment of a nuclear power plant has a pressure chamber, a condensation chamber, and a substantially vertically running condensation tube. The upper end of the tube is connected to the pressure chamber and the lower end of the tube is immersed in a cooling liq... | 10/20/2009 |
| 7591285 | Pipeline configuration for the transport of a liquid, especially petroleum A pipeline configuration for the transport of a liquid, especially petroleum, contains a pipeline laid above ground, beneath which is disposed a sensor line for detection of a leak, extending along the pipeline in its longitudinal direction. The sensor line is dispo... | 09/22/2009 |
| 7573315 | Control device and method of operating the control device having controller chips and change-over unit A control device contains a plurality of controllers, a common signal output, and a change-over unit. The controllers are coupled on an output side to the common signal output through the change-over unit. A plurality of differentiating elements are disposed upstrea... | 08/11/2009 |
| 7555093 | Spacer for a fuel assembly of a boiling water reactor A spacer for a fuel assembly of a boiling water reactor has a frame formed of outer webs and inner webs disposed crosswise relative each other. Gills are disposed on the exterior of the outer webs. The exterior of the outer webs of the spacer is provided with a plur... | 06/30/2009 |
| 7553422 | Method and device for purifying water of nuclear installations A method of purifying water in a nuclear installation includes an ion exchange mechanism in which the water is purified with an ion exchanger. Before being guided over the ion exchanger, the water is brought into contact with a catalyst in order to decompose hydroge... | 06/30/2009 |
| 7542860 | Method and device for detecting the location of a pulse-type mechanical effect on a system part A method and device detect a position of a pulsed mechanical effect on a plant component. An operating noise in the plant component is continuously recorded by sensors which are arranged on the plant component and converted by the above into a measured signal. The m... | 06/02/2009 |
| 7532699 | Nuclear facility and method for operating a nuclear facility A nuclear facility contains a flood tank, which is provided for holding a cooling liquid, a condensation chamber, and an overflow device, which leads from the flood tank to the condensation chamber and which serves to discharge excess cooling liquid. The overflow de... | 05/12/2009 |
| 7495197 | Method and apparatus utilizing first and second heating devices for heat treating a fuel assembly channel with induction heating In a method for heat treating a fuel assembly channel made of zircaloy, the channel is continuously moved relative to a heat-treatment device and, longitudinal sections of it are heated to the beta phase range in an inductive heating zone. The longitudinal section o... | 02/24/2009 |
| 7455818 | Method for treating a flow of gas and gas treatment system A method treats a flow gas that is guided via a catalytic adsorber module to oxidize contaminants carried in the flow gas. The method reliably purifies the flow gas using equipment that is held to a comparatively low level of complexity. To this end, the flow gas is... | 11/25/2008 |
| 7441485 | Apparatus for dismantling a radioactively contaminated installation part and method for dismantling the installation part An apparatus for dismantling a radioactively contaminated tubular installation part which is located under water contains a base part which can be fixed to the installation part and in which a rolling cutting apparatus is mounted. The rolling cutting apparatus can b... | 10/28/2008 |
| 7428479 | Method for computer modeling the core of a nuclear reactor In a computer modeling method for the core of a nuclear reactor the core is divided into a plurality of primary grids in the form of coarse mesh cells. A sub-section of the core relating to at least one grid is assigned to that grid. The sub-section includes that gr... | 09/23/2008 |
| 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 |
| 7421056 | Fuel assembly for a boiling water reactor A spacer for a fuel element of a boiling water reactor contains cells that are formed by inner partitions, which are disposed in a crisscross manner, and by outer partitions, which surround the inner partitions in a frame-like manner. A guiding device is placed on t... | 09/02/2008 |
| 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 |
| 7397884 | Aligning device for fuel elements of a pressurized water reactor An aligning device for fuel elements allows fuel elements of a pressurized water reactor to be aligned in a comparatively easy and quick manner. To this end, the aligning device for fuel elements includes an aligning body, which extends in a longitudinal direction a... | 07/08/2008 |
| 7352838 | Reactor pressure vessel of a boiling water reactor and method for water vapor separation in a reactor pressure vessel of a boiling water reactor A pressure vessel of a reactor has a flow space between the reactor core and a separation device for separating water from water steam. The cross-section area of the flow section of the space expands upstream of the separation device. This makes it possible to pre-s... | 04/01/2008 |
| 7270019 | Collecting line assembly for monitoring and locating leaks An assembly for monitoring and locating leaks in an installation includes a collecting line formed of a material that is impermeable to a substance to be monitored. The collecting line has a multiplicity of openings spaced apart in its longitudinal direction. The op... | 09/18/2007 |
