|
Match
|
Document |
Document Title |
|
|
7593501 |
Segment make-up system and method for manufacturing nuclear fuel rods
A method to insert nuclear fuel pellets into a fuel rod cladding tube, having the steps of providing a cladding tube, providing at least one nuclear fuel pellet to be incorporated into the cladding...
|
|
|
7567645 |
Modular integrated head assembly
A two-part integrated head assembly ( 100 ) is disclosed wherein the lower portion ( 110 ) attaches to, and is supported by, the reactor vessel closure head ( 90 ), and the upper portion ( 160 ) is...
|
|
|
7551705 |
Fuel assembly top nozzle repair sleeve and method for repairing a fuel assembly
A method and device to repair nuclear fuel assembly structural defects in the top nozzle to guide thimble connection, wherein the device includes a repair sleeve comprising tendons configured to...
|
|
|
7539280 |
Nuclear fuel rod loading method and apparatus
A method to load a nuclear fuel rod, comprising, providing nuclear fuel pellets in a fuel plate transfer unit; transferring the nuclear fuel pellets from the fuel plate transfer unit to a fuel...
|
|
|
7509731 |
Method and device for manufacturing non-contaminated MOX fuel rods
The invention relates to a method and device for production of non-contaminated rods from MOX tablets in columns, within a confinement chamber divided into compartments, by means of a centering and...
|
|
|
7473329 |
Method, use and device concerning cladding tubes for nuclear fuel and a fuel assembly for a nuclear pressure water reactor
A method of producing a cladding tube for nuclear fuel for a nuclear pressure water reactor includes forming a tube which at least principally consists of a cylindrical tube component of a...
|
|
|
7424084 |
Fuel assembly nozzleless handling tool and method
A device and method to move a fuel assembly of a nuclear reactor, wherein the device eliminates the potential for dropping the fuel assembly due to stress corrosion cracking of the upper guide...
|
|
|
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...
|
|
|
7386087 |
Method and device for loading a fuel assembly into the core of a nuclear reactor
The invention relates to a method and a device for loading a fuel assembly into the core of a nuclear reactor. The inventive method consists in: inserting a dummy assembly ( 4 ) into the loading...
|
|
|
7224761 |
Method and algorithm for searching and optimizing nuclear reactor core loading patterns
A method is for establishing a nuclear reactor core loading pattern (LP) for fuel assemblies and burnable absorbers (BAs). The method establishes an optimum LP through the steps of: a) providing...
|
|
|
7209802 |
Method for controlling a robot
A method for controlling a robot wherein a procedure is carried out with the robot while maintaining the robot immobile in axes that are not required to carry out the procedure.
|
|
|
7187744 |
Method of providing a nuclear fuel and a fuel element provided by such a method
A method for providing a nuclear fuel includes forming a uranium-molybdenum alloy that provides an enhanced reactivity in research, test and radioisotope production nuclear reactors. In this...
|
|
|
6980620 |
Device for positioning and axially aligning a fuel assembly and process and apparatus for restoring a positioning element
The apparatus for positioning a fuel assembly ( 10 ) comprises, on a respective side of the core support plate ( 19 ) and the upper core plate ( 9 ) directed towards an endpiece ( 15, 14 ) of the...
|
|
|
6909765 |
Method of uprating an existing nuclear power plant
An improved method of increasing the power output of an existing nuclear power plant includes increasing the thermal power output of the plant's nuclear island and constructing of an auxiliary BOP...
|
|
|
6895066 |
Measuring head and measuring assembly for a nuclear fuel rod
A measuring head is used in measuring an assembly part of a nuclear facility, such as a fuel rod, a fuel assembly box, or a spacer of the fuel assembly. The measuring head is capable of augmenting...
|
|
|
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...
|
|
|
6879653 |
Method and device for measuring the diameter of a peripheral rod in a fuel assembly of a nuclear reactor
The diameter of a segment of a peripheral rod in a fuel assembly is measured between two successive spacer grids. A measuring tool is positioned at a level situated between the two successive...
|
|
|
6856664 |
Reactor servicing platform
A modular reactor servicing platform for a nuclear reactor is provided. The modular servicing platform includes a plurality of modular sections coupled together, a support structure coupled to the...
|
|
|
6856663 |
Reactor servicing platform
A reactor servicing platform for a nuclear reactor is provided. The nuclear reactor includes a reactor pressure vessel positioned in a primary containment and at least one refuel bridge. The...
|
|
|
6853697 |
Hermetically sealable transfer cask
An apparatus, transfer cask, system, and method for defueling a nuclear reactor and transferring spent nuclear fuel from a spent nuclear fuel to a storage cask for long terms storage. In one...
|
|
|
6811746 |
Zirconium alloy having excellent corrosion resistance and mechanical properties for nuclear fuel cladding tube
The present invention relates to a zirconium alloy having excellent corrosion resistance and mechanical properties and a method for preparing a nuclear fuel cladding tube by zirconium alloy. More...
|
|
|
6785355 |
Method and system for manufacturing storage container for storing nuclear fuel
A method for storing nuclear fuel in a container ( 10 ) including a concrete body and a fuel receiver embedded in the concrete body, comprises the steps of: providing formwork ( 62 ) for the...
|
|
|
6697448 |
Neutronic fuel element fabrication
This disclosure describes a method for metallurgically bonding a complete leak-tight enclosure to a matrix-type fuel element penetrated longitudinally by a multiplicity of coolant channels. Coolant...
|
|
|
6668034 |
Method of inspecting an operation of sealed closure by welding the end of a filling channel traversing the upper plug of a nuclear fuel rod
A method of inspecting an operation of sealed closure by welding an end opening of a filling channel axially traversing an upper plug for closing the cladding of a fuel rod for a nuclear reactor,...
|
|
|
6665365 |
Storage container for radioactive materials
The basket comprises a bundle of tubes ( 10 ) connected to each other by an assembly structure ( 14 ) so as to form a regular network of compartments ( 16 ). Cross pieces ( 12 ) are placed between...
|
|
|
6644915 |
Nuclear power station primary pump
There is provided a nuclear power station primary pump of the type comprising a drive shaft for rotating a wheel, a heat exchanger, a thermal barrier cover comprising a peripheral skirt provided at...
|
|
|
6639961 |
Nuclear fuel pellet loading method and machine for same
An automated machine for loading nuclear reactor fuel, BP, or APSR pellets from small trays having rows of pellets into reactor rods of long length wherein the pellets are individually counted and...
|
|
|
6639962 |
Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel
A preventive maintenance method and apparatus for a structural member in a reactor pressure vessel according to the present invention reduce a tensile residual stress on a surface of the structural...
|
|
|
6636578 |
Fuel assembly structural reinforcement and method
The invention comprises an apparatus to repair a fuel assembly to accomplish a load lift comprising a main body, an upper section, a connection configured between the main body and the upper...
|
|
|
6625246 |
System and method for transferring spent nuclear fuel from a spent nuclear fuel pool to a storage cask
An apparatus, transfer cask, system, and method for defueling a nuclear reactor and transferring spent nuclear fuel from a spent nuclear fuel pool to a storage cask for long terms storage. In one...
|
|
|
6618460 |
Integrated head assembly for a nuclear reactor
An integrated head assembly ( 100 ) is disclosed for a nuclear reactor. The preferred integrated head assembly includes a lift assembly ( 150 ) that supports the reactor vessel closure head ( 90 )...
|
|
|
6577698 |
Installation for loading fuel rods into a nuclear fuel assembly
The installation is designed for loading a nuclear fuel assembly that comprises a skeleton structure defining parallel locations for receiving fuel rods distributed in sheets. The installation...
|
|
|
6546066 |
Integrated head assembly for a nuclear reactor
An integrated head assembly ( 100 ) is disclosed for a nuclear reactor. The preferred integrated head assembly includes a lift assembly ( 150 ) that supports the reactor vessel closure head ( 90 )...
|
|
|
6459749 |
Multi-functional head for spent nuclear fuel rod extraction
A fuel rod extracting machine which can extract the fuel rods one by one from a Korean type 17×17 Light Water Reactor fuel assembly comprises a multi-functional rotary head including a camera for...
|
|
|
6333957 |
Tool kit for fabricating, inspecting and handling a nuclear fuel bundle
A tool kit for adjusting the angular orientation of water rods about respective axes in a nuclear fuel bundle includes a washer wrench, socket, orientator wrenches, orientator gauges and an...
|
|
|
6327321 |
Borated aluminum rodlets for use in spent nuclear fuel assemblies
Extruded Borated Aluminum rodlets of extended length are formed to maximize neutron absorption surface area while minimizing weight. They are located in the empty cells of a new or spent fuel...
|
|
|
6327320 |
Tube loading apparatus
An apparatus for succesively loading solid objects (19) into a tube (27), for instance, nuclear fuel pellets into a nuclear fuel tube, includes means (17) for feeding the objects towards one, open...
|
|
|
6310931 |
Device and method for locking rods in a bottom tie plate of a fuel assembly
The present invention relates to a fuel assembly (1) and a method therefor. The fuel assembly is intended for a light-water cooled nuclear reactor and comprises a first and a second locking member...
|
|
|
6310930 |
Methods for guiding a fuel bundle into a channel
A guide assembly is seated at the upper end of a channel for a nuclear fuel bundle. The guide assembly includes a lower guide plate with an opening corresponding in dimension to the dimension of...
|
|
|
6282254 |
Slidable comb assembly for burnable poison rod transfer device
A transfer device for moving a poison rod assembly between fuel cells in a nuclear fuel storage facility, where the poison rod assembly has a plurality of poison rods depending from a web. The...
|
|
|
6240155 |
Preventive maintenance apparatus for structural members in a nuclear pressure vessel
A method of performing maintenance on a structural member inside a reactor pressure vessel includes lowering an annular guide rail having a second lug until the guide rail rests on an upper flange...
|
|
|
6222898 |
Jacketing process
A method of jacketing a uranium slug to an aluminum container comprising applying a coating to the exterior of the container, the coating consisting of colloidal graphite in water, permitting the...
|
|
|
6212250 |
Fuel element closure method
A method for providing a leak-tight metal enclosure to a fuel matrix penetrated by coolant channels, wherein the mutually contacting surfaces of said metal enclosure and said fuel matrix are...
|
|
|
6201846 |
Method of jacketing
A method of jacketing a body of fissionable material within a nonfissionable jacket having a cup-shaped body open at one end and a cap effecting closure at said end comprising the steps of...
|
|
|
6178219 |
Holder for fuel elements and method for repairing such a holder
A holder for fuel elements in a reactor, in particular in a boiling water reactor, is provided, as well as a method for repairing such a holder. A core grid is demounted from a core shroud and...
|
|
|
6169777 |
Fuel transport container and method of transporting a fuel assembly
In a fuel transport container, basket has a basket hole including at least two adjacent inner side walls to be fit to a fuel assembly for housing the fuel assembly element in the basket hole. The...
|
|
|
6134290 |
Fuel assembly transport container and method of transporting a fuel assembly
In a transport container, at least one fuel assembly containing element including at least one fuel assembly is housed in a container having an inner surface portion to be fit to the at least one...
|
|
|
6128360 |
Fuel protective apparatus, fuel transport container and method of transporting a fuel assembly
In a fuel protective apparatus having a fuel assembly, the fuel protective apparatus is hoisted up by using a hoisting accessory. The fuel protective apparatus includes a fuel protective container...
|
|
|
6125161 |
Method for making Zr alloy nuclear reactor fuel cladding having excellent corrosion resistance and creep properties
The invention provides a method for making Zr alloy nuclear reactor fuel cladding having excellent corrosion resistance and creep properties. The method includes performing hot forging, solution...
|
|
|
6125160 |
Nuclear fuel bundle spacer envelope dimension measuring system and methods
The spacer envelope measurement system includes a generally U-shaped fixture having support plates extensible into positions overlying the spacer for supporting the fixture from the spacer....
|