Patents
Patents for G21C 17 - Monitoring; Testing (7,065)
03/1987
03/10/1987US4649015 Monitoring system for a liquid-cooled nuclear fission reactor
03/10/1987US4648425 System and method of confirming operation of a steam relieving safety valve for a water-cooled nuclear reactor
03/10/1987CA1219061A1 Fiberscope delivery system
03/04/1987EP0213028A1 Method and device for the control of rods of a spider assembly for a nuclear-fuel assembly
03/04/1987EP0212525A2 Transient monitor for nuclear reactor
03/04/1987EP0212456A2 Piping travelling apparatus
03/04/1987EP0212362A2 Reactor power level monitoring system using an alpha-beta tracker
03/04/1987CN85106086A Anticipatory control of xenon in a pressurized water reactor
03/03/1987US4647422 Within containment building
03/03/1987US4647420 Nuclear fuel pin scanner
02/1987
02/24/1987US4646012 Digital, electromagnetic rod position indicator with precisely controlled transitions between digital states
02/24/1987US4645637 Manipulator for the inspection of pressure vessels open at the top thereof
02/24/1987US4645636 Measuring head for determining the pressure of fission gases released inside bars of nuclear fuel
02/24/1987US4645634 Probe wand utilizing proximity sensors to establish tolerances of the coolant flow area
02/17/1987US4643867 External monitoring of fuel assemblies, detection of damage, defects
02/17/1987US4643866 Nuclear fuel pellet-cladding interaction test device and method modeling in-core reactor thermal conditions
02/17/1987US4643029 Ultrasonic probe for the remote inspection of nuclear reactor vessel nozzles
02/10/1987US4642215 Universal tool for ultrasonic testing of nuclear reactor vessels
02/10/1987US4642213 Anticipatory control of xenon in a pressurized water reactor
02/03/1987US4640812 Nuclear system test simulator
02/03/1987US4640121 Method for finding a leak in pressure-carrying vessels and apparatus for carrying out the method
01/1987
01/27/1987US4639349 Non-invasive liquid level and density gauge for nuclear power reactor pressure vessels
01/27/1987US4638667 Remote probe positioning apparatus
01/22/1987DE3524857A1 Device for testing surfaces difficult to access
01/21/1987EP0208837A2 Method and device for the control of vertically arranged fuel rods of water-cooled nuclear reactors united as a fuel assembly
01/21/1987CN85105572A Solid isotope marks for identifying failed reactor components
01/20/1987US4637913 Gamma thermometer, current measurement
01/20/1987US4637912 Apparatus for inspecting fuel assemblies, particularly for detecting defective fuel rods from complete fuel assemblies of water-cooled nuclear reactors
01/20/1987US4637910 Method and apparatus for continuous on-line synthesis of power distribution in a nuclear reactor core
01/14/1987EP0208250A2 Characterization system for radioactive wastes
01/13/1987US4636846 Optical scanning apparatus for indicia imprinted about a cylindrical axis
01/13/1987US4636292 Platinum type metal and aluminum or zirconium oxide casing, nuclear reactors
01/13/1987US4635477 Leak detector for the dikes of nuclear cooling ponds
01/08/1987DE3524390A1 Test manipulator
01/06/1987US4635056 Device for the dimensional testing of the center distance bores or of two cylinders
01/06/1987US4634570 Process and device for measuring the local thermal power in a nuclear reactor
01/06/1987US4634568 Fixed incore wide range neutron sensor
01/06/1987CA1216378A1 Method for controlling leaks in the primary circuit of a pressurized water nuclear reactor
12/1986
12/30/1986US4632802 Nuclear plant safety evaluation system
12/23/1986US4631537 Method for temperature compensating a rod position indication system
12/16/1986US4629983 Digital rod position detector system
12/16/1986US4629600 Method and apparatus for measuring uranium isotope enrichment
12/10/1986EP0204212A2 On-line monitoring and analysis of reactor vessel integrity
12/09/1986US4628252 Corrosive impurity sensor
12/09/1986US4627955 Process for detecting the variations in the reactivity of the core of a pressurized water nuclear reactor and device for making use of this process
12/09/1986US4627954 Process for detecting faults in the power distribution of a pressurized water nuclear reactor core and device for making use of this process
12/03/1986EP0203860A1 Ultrafiltration circuit for the primary cooling fluid of a pressurized-water nuclear reactor
12/02/1986US4626401 Apparatus for inspecting fuel elements
12/02/1986US4625554 Device for tightening a nut on a fastening pin of a nuclear reactor guiding tube
11/1986
11/25/1986US4624400 Electromagnetic probe drive apparatus
11/25/1986CA1214340A1 Nuclear fuel pellet-cladding interaction test device and method modeling in-core reactor thermal conditions
11/20/1986EP0202052A2 Auxiliary reactor protection system and method
11/20/1986EP0201814A2 Self-orienting conduit probe
11/18/1986US4623508 Wide range flux monitor assembly
11/18/1986US4623507 Device for locating the position of control rods of a nuclear reactor
11/12/1986EP0200999A1 Controlling a nuclear reactor with dropped control rods
11/11/1986US4622202 Reactor in-vessel sensor and core monitoring apparatus
11/04/1986USH149 To back up readings by stationary detectors on coolant process tubes
10/1986
10/28/1986US4620100 Automated monitoring of fissile and fertile materials in large waste containers
10/28/1986US4620099 Automated monitoring of fissile and fertile materials in incinerator residue
10/22/1986EP0198342A1 Method and device for the nucleus-specific monitoring of active or highly active liquids, particularly of primary coolants of boiling and pressure water reactors
10/21/1986US4618824 Method of testing the operability of check valves
10/15/1986EP0197860A1 Hydrogen collecting and detecting device in a secondary circuit of a fast neutrons nuclear reactor
10/14/1986US4617169 Measurement of radionuclides in waste packages
10/14/1986US4617168 Apparatus and method for reactor monitoring
10/14/1986US4617167 Underwater radiation detector
10/14/1986CA1212590A1 Apparatus for testing and/or repairing steam generator tubes
10/08/1986EP0197020A1 Remotely-controlled vehicle for inspection and intervention in hostile environments
10/07/1986CA1212488A1 Generating an integrated graphic display of the safety status of a complex process plant
09/1986
09/30/1986US4614635 Fission-couple neutron sensor
09/23/1986US4613477 Nuclear reactor
09/23/1986US4613476 Increased safety for workers; enclosed tank
09/17/1986EP0194882A2 Optical tube inspection apparatus
09/17/1986EP0194471A2 Constant current power supply system with redundancy for resistance temperature detector
09/16/1986US4612158 Pressure equalization
09/10/1986EP0193735A1 Method and device for protecting steam generators, especially in nuclear power plants
09/03/1986EP0193461A1 Cylindrical elements gauging distributor
09/03/1986CN85109177A Method and apparatus for remotely monitoring a process carried out in a containment structure
08/1986
08/27/1986EP0192548A1 Nuclear reactor under water remote control apparatus and method for a small object
08/27/1986EP0192479A2 Method and apparatus for mechanically classifying rolling bodies
08/27/1986EP0192138A2 Spring-force measuring apparatus
08/27/1986CN85109748A Distributed microprocessor based sensor signal processing system for a complex process
08/27/1986CN85109268A Method and apparatus for detecting leaking nuclear fuel elements in nuclear assembly
08/26/1986US4608223 Abnormal transient display system for nuclear reactor operation
08/26/1986US4607534 Compression pin load tester
08/26/1986CA1210532A1 Reactor power peaking information display
08/26/1986CA1210472A1 Optical inspection system
08/20/1986EP0191672A1 Basin, especially a deactivation pool for a nuclear-power plant
08/19/1986CA1210162A1 Method and apparatus for measuring reactivity of fissile material
08/12/1986US4605924 Method and apparatus for acoustically monitoring an industrial plant
08/12/1986US4605531 Process for examining a fuel assembly of a nuclear reactor and an examining machine for performing this process
08/06/1986EP0190059A1 Method for detecting medium-sized or major leaks in the heat exchange surface of a molten-metal steam generator
08/06/1986CN85108899A Vented upper retainer for facilitating replacement of a top nozzle subassembly on a reconstituted nuclear fuel assembly
08/05/1986US4604576 Electromagnetic delay line incorporated in a position detector for a movable nuclear reactor control rod
07/1986
07/31/1986WO1986004448A1 Basin, particularly deactivation pool for a nuclear plant
07/30/1986CN85108640A Digital rod position detector system
07/23/1986EP0187928A2 Coating for structural elements of nuclear energy plants
07/22/1986US4601872 Maintaining water at normal level
07/16/1986CN85109621A Rapid corrosion test for zirconium and zirconium alloy weldments
07/16/1986CN85108160A Preventing the overpressurization in a pwr in the event of loss of main feedwate
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