|
Match
|
Document |
Document Title |
|
|
4288699 |
Storage rack for the storage of fuel elements of nuclear reactors
Storage rack for nuclear fuel elements, consisting of a lattice construction, constituted by a first arrangement of parallel, vertical and equally spaced relatively long sheet elements, having...
|
|
|
4288698 |
Transport and storage vessel for radioactive materials
A container for the transport, storage and disposal of radioactive wastes or other materials, such as irradiated fuel elements of a nuclear reactor capable of neutron emission, which comprises a...
|
|
|
4287145 |
Method for manufacturing neutron absorbing article
A neutron absorbing article, preferably in long, thin, flat form, suitable for but not necessarily limited to use in storage racks for spent nuclear fuel at locations between volumes of such stored...
|
|
|
4287426 |
Nuclear fuel storage apparatus for seismic areas
An earthquake resistant apparatus for storing nuclear fuel within a water-filled pool wherein a structural grid which supports the fuel is in turn supported by cables from an upper elevation. The...
|
|
|
4278892 |
Radioactivity-shielding transport or storage receptacle for radioactive wastes
A unitarily cast receptacle for the storage of radioactive wastes consists of cast iron, especially spherolitic cast iron, or cast steel, and has upright walls defining a chamber in which the...
|
|
|
4277680 |
Neutron poison test device for high density spent fuel storage racks
A neutron poison test device for verifying that high density spent nuclear fuel racks contain neutron poison (a substance that absorbs neutrons without inducing a nuclear fission which produces...
|
|
|
4277688 |
Cask bagging device
A device comprises a bag for covering a cask for transporting a used nuclear fuel to prevent the outer surface of the cask from contamination with the contaminated water of a fuel storage pool when...
|
|
|
4277361 |
Ventilating system for reprocessing of nuclear fuel rods
In a nuclear facility such as a reprocessing plant for nuclear fuel rods, the central air cleaner discharging ventilating gas to the atmosphere must meet preselected standards not only as to the...
|
|
|
4274007 |
Radiation-shielding transport and storage vessel
A transport or storage canister for radioactive wastes has an upright one-piece cast iron or steel vessel with an upwardly open mouth adapted to receive a complementary, stepped plug-type cover...
|
|
|
4273614 |
Closure device for fuel assembly pot
Handling device for a fast neutron reactor cooled by a liquid metal such as sodium and of the type comprising a container with a vertical axis containing the core and a given volume of sodium...
|
|
|
4269728 |
Method for storing spent nuclear fuel in repositories
A method for storing radioactive spent fuel in repositories containing sulfur as the storage medium is disclosed. Sulfur is non-corrosive and not subject to radiation damage. Thus, storage periods...
|
|
|
4268755 |
Fuel assembly shipping cask
In combination, a fuel assembly transfer cask having lifting devices and a shock-absorbing piston member associated with the underside of the transfer cask, the piston member including two mutually...
|
|
|
4257912 |
Concrete encapsulation for spent nuclear fuel storage
Concrete systems, mixtures and methods for encapsulating and storing spent nuclear fuel. Fuel discharged from nuclear reactors in the form of rods or multi-rod assemblies is completely and...
|
|
|
4256538 |
Liquid metal cooled fast breeder nuclear reactor
A liquid metal cooled fast breeder nuclear reactor comprising a fuel assembly supported on a diagrid and submerged in a pool of liquid metal coolant within a containment vessel. The diagrid is of...
|
|
|
4253030 |
Process for the ultimate disposal of spent fuel elements and highly active waste from nuclear power plants
A process for the final disposal of spent fuel elements and highly active waste from nuclear power plants inserted in receptacles wherein the receptacles are inserted into a groove provided in the...
|
|
|
4248668 |
Storage module for nuclear fuel assemblies
A storage module or rack is disclosed for storage of nuclear fuel assemblies in a water-filled pool comprising an array of storage tubes arranged in a checkerboard pattern and attached to one...
|
|
|
4243889 |
Storage rack for elongated fuel assemblies
Storage rack for elongated nuclear reactor-fuel assemblies having a polygonal cross section including an array of elongated sheetmetal shells of corresponding polygonal cross sections for receiving...
|
|
|
4242178 |
Drum for storage of nuclear reactor fuel assemblies
A drum for storage of nuclear reactor fuel assemblies, comprises a housing accommodating a vertically set cylinder with holders, extending along the height of the cylinder for spent fuel assemblies...
|
|
|
4236969 |
System for cooling set of fuel assemblies arranged in reactor vessel
A system for cooling a set of fuel assemblies arranged in a nuclear reactor vessel, comprising a pipeline for the supply of coolant, laid inside the vessel from the level of the coolant filling the...
|
|
|
4234798 |
Transport and storage receptacle for radioactive waste
A transport and storage receptacle for radioactive waste, capable of shielding the environment from radiation, comprises a vessel shell, bottom and cover. The shell and bottom are cast in one piece...
|
|
|
4233518 |
Fuel storage rack
A storage rack for nuclear fuel assemblies is located in the pool and formed of grids, each grid formed of fixedly connected cross members. Four separate grids are used with each of the four grids...
|
|
|
4232730 |
Radioactive materials transporting container and vehicles
A container and vehicle therefor for transporting radioactive materials is provided. The container utilizes a removable system of heat conducting fins made of a light weight highly heat conductive...
|
|
|
4225467 |
Neutron absorbing article and method for manufacture of such article
A neutron absorbing article, preferably in long, thin, flat form, suitable for but not necessarily limited to use in storage racks for spent nuclear fuel at locations between volumes of such stored...
|
|
|
4223581 |
Feeder apparatus for cable cutter
An apparatus for forcefully feeding cabling in an underwater environment into a container includes a gripper block positionable above the container and an air cylinder for reciprocating the gripper...
|
|
|
4219735 |
Container for the transportation of irradiated fuel elements and handling device adapted therefor
A container is described for the transportation of irradiated fuel elements hose criticality can be controlled by means of internally disposed neutron poison needles, wherein said container...
|
|
|
4216670 |
Hydraulic vibration brake particularly for use in nuclear power plants
A hydraulic vibration brake for use in nuclear power plants is shown. The brake has a casing that a piston divides into two chambers. A storage tank in hydraulic fluid communication through...
|
|
|
4213883 |
Method for manufacture of neutron absorbing articles
Neutron absorbing articles, such as those in plate form suitable for use in a storage rack for spent nuclear fuel and having such properties as to make them useful in such application for long...
|
|
|
4211928 |
Linear storage projector
A storage unit for a quantity of radioactive material in a capsule attached to a leader by which the capsule can be moved, the unit having a straight passage through a body of radiation-shielding...
|
|
|
4209420 |
Method of containing spent nuclear fuel or high-level nuclear fuel waste
A method of containing spent nuclear fuel or high-level nuclear fuel waste in a resistant material for isolating the fuel or the waste from the environment, includes the provision of an open...
|
|
|
4207723 |
Canning and inspection system for nuclear reactor fuel and reflector elements
A system is disclosed for canning, inspecting and transferring to a storage area fuel and reflector elements from a nuclear reactor, which system includes a transfer chute, environmental chamber,...
|
|
|
4203038 |
High density spent fuel storage rack
A high density spent fuel storage rack including a plurality of neutron absorbing containers each designed to perimentrically encircle a fuel assembly, the containers being arranged so that the...
|
|
|
4197467 |
Dry containment of radioactive materials
A cask for the dry containment of radioactive fuel elements. The cask has a cover which contains valved drain and purge passageways. These passageways are sealed by after purge cover seals which...
|
|
|
4190160 |
Accident resistant transport container
The invention relates to a container for the safe air transport of plutonium having several intermediate wood layers and a load spreader intermediate an inner container and an outer shell for...
|
|
|
4187433 |
High density fuel storage rack
High storage density for spent nuclear fuel assemblies in a pool achieved by positioning fuel storage cells of high thermal neutron absorption materials in an upright configuration in a rack. The...
|
|
|
4177386 |
Method and apparatus for storing nuclear fuel assemblies in maximum density racks
A maximum density storage rack is provided for long term or semipermanent storage of spent nuclear fuel assemblies. The rack consists of storage cells arranged in a regular array, such as a...
|
|
|
4177385 |
Nuclear fuel storage
A method and apparatus for the storage of fuel in a stainless steel egg crate structure within a storage pool. Fuel is initially stored in a checkerboard pattern or in each opening if the fuel is...
|
|
|
4171002 |
Nuclear fuel transportation containers
An inner container for a nuclear fuel transportation flask for irradiated fuel elements comprising a cylindrical shell having a dished end closure with a drainage sump and means for flushing out...
|
|
|
4165255 |
Nuclear fuel rack lateral support and preload device
A lateral support device for a nuclear fuel rack vertically positioned within a walled enclosure which provides a preload to maintain effective support. The device includes a scissors-jack which is...
|
|
|
4156147 |
Neutron absorbing article
A neutron absorbing article, preferably in flat plate form and suitable for use in a storage rack for spent nuclear fuel, includes boron carbide particles, diluent particles and a solid,...
|
|
|
4151983 |
Crane grab apparatus
Systems, apparatus and methods are disclosed for disposing of radioactive waste materials by placing them into a container such as a steel drum, together with cement or other solidifying agent and...
|
|
|
4152585 |
Assembly for the transport of fuel elements
An assembly for the transport and storage of nuclear fuel elements comprises a transport flask and a holder for fuel elements which fits within the flask. The assembly has self regulating ullage...
|
|
|
4152602 |
Nuclear fuel rack lateral restraint
A lateral restraint device for nuclear fuel racks which can accommodate differential thermal expansion between the racks and a containing enclosure. The restraint includes a piston, movable within...
|
|
|
4149087 |
Drum of storing fuel assemblies of nuclear reactor
The proposed drum for storing fuel assemblies of a nuclear reactor comprises a holder rotatable around its axis and provided with tubular sockets arranged in concentric rows along the circumference...
|
|
|
4147938 |
Fire resistant nuclear fuel cask
The disclosure is directed to a fire resistant nuclear fuel cask employing reversibly thermally expansible bands between adjacent cooling fins such that normal outward flow of heat is not...
|
|
|
4143277 |
Bearing support for receiving used fuel elements of nuclear power stations
A bearing support for receiving used fuel elements of nuclear power stations includes a plurality of chambers which have square cross-sections and each include inner and outer spaced apart walls...
|
|
|
4139778 |
Swivel base for fuel assembly storage
A nuclear fuel assembly storage rack having a swivel base consisting of a plurality of plates with a hard ball centered and captured between the plates. The bottom base plate is fixed to the bottom...
|
|
|
RE29876 |
Container for transporting radioactive materials
A container for transporting radioactive materials utilizing a removable system of heat conducting fins is provided which permits a substantial reduction in the weight of the container during...
|
|
|
4124445 |
Storage rack for fuel cell receiving shrouds
A rack for receiving a multiplicity of vertical tubular shrouds or tubes for storing spent nuclear fuel cells. The rack comprises a plurality of horizontally reticulated frames interconnected by...
|
|
|
4123323 |
Nuclear reactor plant
A nuclear reactor plant has a fuel-element storage pit formed in a pit building and a pit adjacent thereto for safely lowering a fuel-element transporting cask therein, the adjacent pit being...
|
|
|
4119859 |
Fuel storage rack
Spline connector for interconnecting adjacent corners of diagonally adjacent rectangular nuclear fuel cell modules are provided with a novel shape including only two attachment arms to permit...
|