Matches 1 - 50 out of 158 1 2 3 4 >
Match Document Document Title
7633531 Systems and methods for quantitatively assessing the quality of an image produced by an imaging system  
Methods and systems for quantitative image quality assessment of an imaging system, such as an in vessel visual inspection system, having a target, an image capture device and a computer. The...
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...
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...
7308069 Device and method for controlling the exterior aspect of fuel rods for nuclear reactors  
The invention concerns a device ( 1 ) for controlling the exterior aspect of fuel rods ( 2 ) for nuclear reactors, said device comprising optical means ( 40 ) having at least one camera ( 42, 42′...
7092477 BWR inspection manipulator  
A reactor service manipulator delivery system supported on a remotely operated trolley that travels on top of a track attached to the steam dam of a BWR shroud. The trolley has a mast and pulley...
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,...
6665363 Method of inspecting the welding of a sealed closure plug of a nuclear reactor fuel element  
Before welding, the plug and the sleeve of the fuel rod being in the welding position at the welding station, the sleeve and the plug of the fuel rod are rotated about their common axis with the...
6639959 Guide tube camera inspection fixture and method of use  
A guide tube inspection camera fixture for inspecting internal surfaces of nuclear reactor control rod guide tubes is provided. In an exemplary embodiment, the guide tube camera fixture includes a...
6636577 Laser induced fluorescence water measurement system for nuclear reactors  
A water monitoring system for a nuclear reactor is provided. In an exemplary embodiment, the water monitoring system includes a fiber optic cable having a first end and a second end, with the first...
6594333 Thermal load reducing system for nuclear reactor vessel  
The present invention is used to reduce thermal load itself, being the cause to generate stress, which develops near liquid surface in a nuclear reactor wall and to contribute to further...
6526114 Remote automated nuclear reactor jet pump diffuser inspection tool  
An inspection apparatus for inspecting welds in a nuclear reactor jet pump includes a probe subassembly rotatably and linearly movably coupled to a frame structure configured to attach to a top...
6459748 Floating ultrasonic testing end effector for a robotic arm  
An end effector for supporting an ultrasonic testing probe on a robot arm having a robot mounting bracket for use in a nuclear reactor pressure vessel. The end effector has a wrist assembly with a...
6145583 Inspection device  
A device for inspecting the interior of steam generators capable of visually inspecting interior of tubes in steam generators, including upper portions steam generator tubes, tops and bottoms of...
6104772 Method and apparatus for introducing a self-propelled in-pipe manipulator into a pipeline  
A method and an apparatus introduce a self-propelled in-pipe manipulator into the interior of a pipeline. A hollow body receives the in-pipe manipulator, is open at least at one end surface and is...
6049580 Apparatus for remote dismantling of irradiated structures  
The proposed installation comprises an abrasive liquid jet cutting module using a mobile nozzle (25) rotatable in all directions and which also supports a sensor (37) so that it can previously...
5917875 Apparatus for inspecting nuclear fuel assemblies  
Apparatus for rectifying the tendency of a fuel assembly (1) to incline from the perpendicular has a top nozzle support (19) and a base assembly (18) for supporting, respectively, a top nozzle (7)...
5912934 Underwater inspection system for nuclear power facilities  
A nuclear fuel identification system for use in nuclear power plants has an imaging system having a video camera and an array of illuminators surrounding the video camera and positioned to shine...
5887041 Nuclear power plant component identification and verification system and method  
An automated system for identifying nuclear power plant components includes a camera which provides an input signal from an image of the nuclear power plant components. A digitizer generates a...
5850424 Refueling machine with relative positioning capability  
A refueling machine having relative positioning capability for refueling a nuclear reactor. The refueling machine includes a pair of articulated arms mounted on a refueling bridge. Each arm...
5844956 Apparatus and method for inspecting an outer jacket of a core containment in the region of a heat shield surrounding the core containment  
An apparatus and a method for inspecting an outer jacket of a core containment in the vicinity of a heat shield surrounding the core containment, include an annular rail to be fixed to the core...
5838752 Apparatus and method for carrying out workings at reactor bottom  
At a reactor bottom, varieties of work are performed by a working apparatus, the work includes inspecting, cleaning and recovering radioactive corrosion products and other foreign matters deposited...
5835547 Method and apparatus for inspecting the rods of a nuclear reactor control cluster  
The apparatus for inspecting the rods of a cluster insertable in the core of a nuclear reactor comprises a body provided with sliding guide means for rods in m different orientations of the...
5791400 Linear scan hot spot detection system  
A hot spot detection system for a rotary regenerative preheater has a linear rail system positionable between the central portion and the casing of the air preheater. The rail assembly has a pair...
5737377 Nuclear reactor camera mast assembly and loading guide  
A camera mast system permits remote inspection of nuclear fuel assemblies and other components of nuclear reactors. The system includes a camera mast assembly mounted on a refueling mast which may...
5680423 Method and apparatus for detecting neutrons  
The instant invention is a method for making and using an apparatus for detecting neutrons. Scintillating optical fibers are fabricated by melting SiO 2 with a thermal neutron capturing substance...
5624047 Telescoping mast with zero clearance for refueling machine  
A telescoping mast with zero clearance which can be used in a fully automatic, relative positioning refueling machine. The telescoping mast consists of a series of nested tubes separated by spacers...
5602885 Automated girth weld inspection of nuclear fuel rods  
The girth welds joining the end plugs and the hollow tubes of nuclear fuel rods are inspected automatically using a technique that averages reflectance values, compares the reflectance values to...
5594764 Automated video characterization of nuclear power plant components  
An automated system for determining positions of a plurality of nuclear fuel assemblies organized in an array within a housing of a nuclear power plant includes a radiation hardened, underwater...
5586158 Apparatus for automatically replacing nuclear fuel assemblies  
An automatic nuclear fuel assembly replacing apparatus has a bridge and a trolley movable in X and Y axis directions, respectively. Mounted on the trolley is a nuclear fuel grapple movable in a Z...
5565980 Apparatus for the detection of surface defects  
An apparatus for the detection of surface defects on cylindrical objects which includes means for conveying the objects to be inspected one-by-one each on its end to a first inspection station,...
5544206 Reactor head work station  
Apparatus for inspecting the nuclear reactor comprising a boom rotatably connected by a pivot point to the top of a reactor head, a mechanism for rotating the boom with respect to said pivot point,...
5544205 Device and method for checking the guide elements of a guide tube for the upper internals of a pressurized water nuclear reactor  
The device includes an inspection rod cluster (10) comprising a central cylindrical body (45) and a plurality of arms (46, 48) extending radially with respect to the cylindrical body (45). Guide...
5533075 Spent fuel container alignment device and method  
An alignment device is used with a spent fuel shipping container including a plurality of fuel pockets for spent fuel arranged in an annular array and having a rotatable cover including an access...
5530728 Optical measuring system  
The length of an object, particularly a spent fuel rod, is measured by taking an optical image of a support surface and then taking an optical image of a fuel rod when placed on the support...
5509039 Automatic pellet stack length recording switch  
A pellet stack length recording switch, for use in a measurement system having a movable measuring head and a measuring device for measuring a length of a nuclear fuel pellet stack segment,...
5504788 Support plate inspection device  
A device for inspecting the support plates and tube sheet of a nuclear steam generator. The device comprises a boom for extending into an access port of a steam generator and into a lane separating...
5481930 Probe guide assembly for a reactor coolant pump motor  
A probe guide assembly permits optical inspection of critical nuclear reactor coolant pump motor parts located inside a generally cylindrical motor housing without requiring disassembly of the...
5430778 Method for measuring fuel rod positions and apparatus therefor  
A fuel rod position determination apparatus and a method are presented to enable efficient and accurate determination of the positions of the fuel rods in a fuel assembly in which it is not...
5426309 Method and apparatus for inspecting the depth of the surface of cylindrical objects  
Apparatus for the inspection of the surface of a cylindrical object which comprises a rotator for rotating the object to be inspected about its axis, a projector for projecting an incident beam of...
5404381 Device for checking the guide elements of a guide tube for the upper internals of a pressurized water nuclear reactor  
The checking device comprises a mast (10) extending vertically in its service position and centered in the central free space of the guide tube, a flat blade-shaped element (36) pivoting on the...
5379329 Method and apparatus for inspecting end face of pellet  
In a method for inspecting a dished end face of a nuclear fuel pellet, a focused beam of light is emitted to a dish of the end face of the nuclear fuel pellet while a parallel beam of light is...
5361280 Method for reading a nuclear fuel assembly identification code  
A nuclear fuel identification code reader has an optical sensor for detecting a nuclear fuel identification code marked on a fuel assembly and an ultrasonic wave sensor for detecting the nuclear...
5347551 Method for examining irradiated fuel bundle spacer springs using fiber-optic visual inspection equipment  
An improved method for examining fuel bundle spacers using fiber-optic visual inspection apparatus. A distal end of a fiber-optic scope having image and light guides is inserted through an upper...
5327783 Method of monitoring heat exchanger vibrations  
A non-intrusive vibration measurement system and method using commercial ultrasonic instruments together with digital signal filtering and analysis techniques is adapted to quantitatively detect...
5309486 Non-contact flaw detection for cylindrical nuclear fuel pellets  
A non-contact surface flaw detection system for workpieces such as nuclear fuel pellets transports the pellets continuously along an illuminated path while rotating them. A line scan camera records...
5305356 Inspection device  
A device suited for inspecting selected positions of a nuclear power plant. The invention comprises a boom for extending to a position in a nuclear power station to be inspected, and a video camera...
5263059 Process and device for the positioning of a tool in relation to the axis of a tube, especially for a steam generator of a nuclear reactor  
Process and device for the positioning of a tool (10) carried by a manipulating arm displaceable in three respectively perpendicular directions of space in relation to the vertical axis of a tube...
5247154 Method and apparatus for monitoring the laser marking of a bar code label  
A method and apparatus for monitoring the laser marking of a bar code label which has been laser marked onto the end of a nuclear fuel tube for unacceptable depth penetration of the heat affected...
5186887 Apparatus for inspecting peripheral surfaces of nuclear fuel pellets  
There is disclosed an inspection apparatus for peripheral surfaces of nuclear fuel pellets which includes a handling unit, an image pick-up device, a judging device and a sorting unit. The handling...
H001115 Robot arm apparatus  
A robot arm apparatus is provided for inspecting and/or maintaining an interior of a steam generator which has an outside wall and a port for accessing the interior of the steam generator. The...
Matches 1 - 50 out of 158 1 2 3 4 >