Patents
Patents for G21C 7 - Control of nuclear reaction (2,764)
05/1993
05/19/1993CN1020823C Protection system for protecting nuclear reactor in the event of reaction-inhibiting element falling
05/19/1993CN1020822C Super-internal apparatus of reactor having composition guiding device
05/12/1993EP0540951A1 Method and apparatus for controlling a nuclear reactor to minimize boron concentration adjustment during load follow operation
05/04/1993US5207978 Nuclear reactor control cluster guide device
05/04/1993US5207975 Hydraulic control rod driving system
04/1993
04/28/1993EP0538407A1 Nuclear reactor with bi-level core
04/07/1993EP0535956A1 Actuator control system
04/06/1993US5200140 Cable control rod drive assembly
04/06/1993US5200138 Spectral shift-producing subassembly for use in a nuclear fuel assembly
03/1993
03/30/1993US5198182 Production of neutron-shielding tubes
03/24/1993EP0532858A1 Nuclear fuel with selectively removed isotopes in burnable absorber
03/23/1993US5196159 Liquid sodium coolant, reflector
03/23/1993US5196158 Electrical safety system
03/03/1993CN1020016C Absorpting drive machine of vibration for absorpting rod of nuclear reactors
02/1993
02/24/1993CN1069359A Control rod position indcaion system
02/18/1993DE4226851A1 Hydraulic control rod drive esp. for thermal reactor - has gas vent openings remote from ultrasonic position sensor
02/18/1993DE4226228A1 Fuelling of nuclear esp. fast breeder reactor - allowing redn. of reactor vessel dia. as loading operation can be effected at any position within core using large and small revolving stoppers and levelling arm
02/18/1993DE4226223A1 Fuelling of nuclear reactor, esp. fast breeder reactor - having subdivided upper core structure forming revolving stopper
02/17/1993EP0527357A1 Method for primary coolant treating of a pressurized water reactor
02/17/1993EP0527356A1 Method for treating the primary coolant of a pressurized water reactor
02/10/1993EP0526753A1 Spectral shift-producing subassembly for use in a nuclear fuel assembly
02/09/1993US5185120 To control nuclear reactivity
02/02/1993US5183628 Nuclear reactor internals with cluster guides
02/02/1993US5183627 Nuclear reactor with low-level core coolant intake
02/02/1993US5183626 Control cluster including demountable fuel for a nuclear fuel assembly
01/1993
01/21/1993WO1993001319A1 Material and workpiece for nuclear engineering and production thereof
01/21/1993WO1993001318A1 Material and workpiece for nuclear engineering and production thereof
01/20/1993EP0524095A1 Nuclear reactor neutron flux monitoring device
01/20/1993EP0523540A1 Reconstitutable control assembly having removable control rods with detachable split upper end plugs
01/19/1993US5180544 Control blade for nuclear reactor
01/13/1993CN1067983A Device for vertical guidance of control rod cluster for nuclear reactor
12/1992
12/30/1992EP0520712A1 Reactivity modulation of a boiling water reactor to stabilize thermal-hydraulic oscillations
12/09/1992CN2124498U Neutron dose equivalent energy response regulating apparatus
12/03/1992DE4117209A1 Novel hot steam-cooled nuclear reactor - with all ceramic fuel elements, heat transfer using steam, and annular core
12/01/1992US5167911 Fuel assembly and boiling water reactor
12/01/1992US5167906 Displacer rod of nontoxic sacrificial material immersed in a fluid moderator adjacent to nuclear fuel
11/1992
11/24/1992CA1310767C Apparatus and method for closed-loop control of reactor power
11/19/1992EP0514257A1 Vertical guiding device for control cluster of a nuclear reactor
11/18/1992CA2042896A1 Passive safety shutdown system for nuclear reactors
11/17/1992US5164153 Control rod assembly for a boiling water reactor
11/10/1992US5162097 Steam cooled nuclear reactor with bi-level core
11/04/1992EP0511873A1 Boiling water reactor with expanded core diameter
10/1992
10/27/1992US5158738 Method of controlling a pressurized water nuclear reactor
10/27/1992CA1309516C Apparatus and method for closed-loop control of reactor power in minimun time
10/20/1992US5156804 Containing boron carbide, gadolinium and gadolinium oxide cermets and ceramic composites
10/07/1992EP0507494A1 Nuclear reactor control rod drive hydraulic system
09/1992
09/15/1992US5147598 Layer of boron material and layer of erbium material
09/09/1992CN1018216B Method of measurement of reaction component falling into reactor in nuclear power plant
09/08/1992US5145638 Rpv housed atws poison tank
08/1992
08/25/1992US5141711 Reconstitutable control assembly having removable control rods with detachable split upper end plugs
08/25/1992US5141710 Reactivity modulation of a boiling water reactor to stabilize thermal-hydraulic instabilities
08/19/1992EP0499406A1 Control rod drive
08/18/1992US5139735 Reactivity control system
08/12/1992EP0498319A1 Methode and arrangement for repair of a pressure water reactor control cluster
08/11/1992US5137682 Antieject device for control members of nuclear reactors
08/04/1992US5136619 Thermal breeder fuel enrichment zoning
07/1992
07/21/1992US5131510 Brake assembly for a control rod drive
07/21/1992US5131268 Brake assembly including torque monitor
07/14/1992US5130078 Reactivity control system and method
07/09/1992WO1992011641A1 Nuclear-reactor element, in particular a control element
07/07/1992US5128093 Control rod drive hydraulic system
07/01/1992EP0492866A1 Redundant liquid control system for boiling water reactor
07/01/1992CN1062427A Apparatus for controlling nuclear fusion in hydrogen (or isotope) plasma
06/1992
06/25/1992DE4041348A1 Kernreaktorelement, insbesondere steuerelement Nuclear reactor element, in particular control
06/23/1992US5124113 Nuclear reactor with improved efficiency
06/17/1992DE4138348A1 Underwater exchange of centring pins of nuclear reactor control rod guide insert - by transferring guide insert under water to swivelling receiver device, fixing in receiving device, swivelling and removing centring pin
06/17/1992CN1017100B Cluster guide with centering and antivibratory positioning device for nuclear reactors
06/10/1992EP0489530A1 Brake assembly for a rotating shaft
06/09/1992US5120489 Hydraulic control rod drive
06/02/1992US5118468 Nuclear reactors, compressed hafnium crystals
05/1992
05/27/1992EP0487239A1 Enhancing load-following and/or spectral shift capability in single-sparger natural circulation boiling water reactors
05/26/1992US5116569 Nuclear Reactors
05/26/1992US5116567 Nuclear reactor with bi-level core
05/19/1992US5114663 Electromagnet for nuclear reactor shutdown system
05/19/1992CA1301375C Process for determining and assessing power build-up capacity of a pressurized water nuclear reactor
05/12/1992US5112565 Nuclear reactor multi-state digital control using digital topology
05/12/1992CA1300765C Process for determination and assessment of emergency shutdown safety margin of a pressurized water nuclear reactor
05/06/1992EP0483555A1 An intrinsic arrangement for power stabilization in a thermal nuclear reactor
05/06/1992CN1060922A Hole-alignment type hydraulic step cylinder for reactor control rod driving
05/06/1992CN1060921A Nuclear reactor control cluster guide device
05/05/1992US5110535 Turbine-driven control rod drive
04/1992
04/21/1992US5106572 Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor
04/15/1992EP0480704A1 Control rod flow diverters
04/07/1992US5102614 Control rod housing alignment and repair method
04/07/1992US5102613 Radial brake assembly for a control rod drive
03/1992
03/31/1992US5100609 Enhancing load-following and/or spectral shift capability in single-sparger natural circulation boiling water reactors
03/25/1992EP0477097A1 Guiding device for the control-rod cluster of a nuclear reactor
03/24/1992US5098647 Guide tube insert assembly for use in a nuclear reactor
03/03/1992US5093075 Upper internal nuclear reactor equipments including a flow separation device
03/03/1992US5093070 Boiling water reactor; radial; burnable poison
02/1992
02/26/1992CN1015680B Method of determining the alarm threshold of over-heating ratio device for implementing the method, and method of controlling nuclear reactor
02/25/1992US5091139 Automated thermal limit monitor
02/19/1992EP0471557A1 Curvilinear translating latch and linkage arrangement in a control rod drive mechanism of a nuclear reactor
02/18/1992US5089212 Apparatus for controlling the power output of a nuclear reactor
02/18/1992US5089211 Control rod drive
02/06/1992DE4023874A1 Absorber rod for gas-cooled pebble bed reactor - has carbon fibre-reinforced carbon parts not requiring cooling
02/05/1992EP0469828A1 Brake assembly for a control rod drive
02/04/1992US5085823 Latch assembly for a control rod drive
01/1992
01/23/1992WO1992001296A1 Reactivity control system and method
01/23/1992WO1992001294A1 Hydraulic control rod drive
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