Patents
Patents for G21C 7 - Control of nuclear reaction (2,764)
11/1984
11/13/1984US4482519 Subcooling margin system for cooling fluid in a nuclear reactor
11/06/1984US4481164 Reactivity control assembly for nuclear reactor
10/1984
10/31/1984EP0123603A1 Braking device of the mobile element of a moderating assembly for a fast breeder reactor
10/31/1984EP0123204A1 Nuclear reactor control and shut-down device with limited travel
10/31/1984EP0123055A2 Guide tubes dismantling and reconstructing method for a fuel assembly of a light water nuclear reactor
10/30/1984CA1177180A1 Nuclear reactor power control system
10/17/1984EP0121897A2 Operation control method for nuclear reactor
10/16/1984US4477804 Electrical circuit for providing an abnormal transient display system for nuclear reactor operation
10/10/1984EP0121451A1 Nuclear reactor fuel assembly with cooled guide tubes
10/09/1984US4476088 Latching devices and nuclear reactors incorporating such latching devices
10/09/1984US4476086 Coupler for nuclear reactor absorber rods
10/02/1984US4474728 Alluminum oxide, silicon dioxide, metal
09/1984
09/27/1984WO1984003793A1 Combustible assembly with high combustion level for nuclear reactors
09/25/1984CA1175166A1 Fuel assembly for a nuclear reactor
09/25/1984CA1175165A1 Fuel assembly for a nuclear reactor
09/25/1984CA1175164A1 Mechanical spectral shift reactor
09/25/1984CA1175162A1 Displacer rod for use in a mechanical spectral shift reactor
09/25/1984CA1175161A1 Spectral shift reactor
09/25/1984CA1175160A1 Spectral shift reactor control method
09/18/1984US4472348 Operating devices for control rods in a nuclear reactor
09/11/1984US4470949 Method of control of a nuclear reactor by movement within the core of this reactor, of groups of control rods
08/1984
08/29/1984EP0116851A1 Polycrystalline sintered bodies based on europium hexaboride and process for their production
08/28/1984CA1173570A1 Nuclear reactor plant
07/1984
07/31/1984US4462957 Pin is alloy of nickel, chromium, silicon, manganese and iron, and roller is alloy of chromium, molybdenum, titanium aluminum, and nickel-used in nuclear reactors
07/31/1984CA1171981A1 Nuclear reactor with control rod cluster guides
07/17/1984US4460540 Burnable poison rod for a nuclear reactor fuel assembly
07/17/1984US4460538 Core construction of nuclear reactor
07/10/1984US4459259 Digital computer operation of a nuclear reactor
07/03/1984CA1170376A1 Nuclear reactor control through displacement, in the core, of the control rod bundle
06/1984
06/20/1984EP0111435A1 Control device for moving two control rod assemblies vertically removable in a same fuel assembly of the core of a nuclear reactor
06/05/1984US4452754 Shutdown system for a nuclear reactor
05/1984
05/29/1984US4451428 Control rods and method of producing same
05/09/1984EP0108020A1 Nuclear reactor with improved efficiency
05/09/1984EP0108019A1 Method of operating a light water reactor
05/08/1984CA1167174A1 Variable overlap control
05/01/1984US4446099 Device for protecting control cluster actuating mechanisms during the testing of a nuclear reactor
04/1984
04/03/1984US4440715 Method of controlling nuclear power plant
04/03/1984US4440339 Method of repairing housing of control rod driving system
03/1984
03/27/1984US4439054 Latching mechanism
03/21/1984EP0103456A2 Method of making a burnable neutron absorber body for a nuclear reactor
03/21/1984EP0103249A2 Operating method of boiling water reactor
03/07/1984EP0102068A2 Method of and apparatus for controlling output power of nuclear reactor
02/1984
02/28/1984US4434132 Power supply with nuclear reactor
02/28/1984US4433732 Cable tray protection system
02/28/1984CA1163023A2 Method of nuclear reactor control using a variable temperature load dependent set point
02/21/1984US4432934 Nonabsorbent segmented stainless steel or zircaloy hollow rod for displacement of coolant
02/21/1984US4432930 Operating a pressurized water nuclear reactor
02/15/1984EP0100640A1 Systems for monitoring operating conditions within nuclear reactors
02/14/1984CA1162334A1 Control assembly for nuclear reactor
02/01/1984EP0099681A1 Method and apparatus for one-line monitoring of the operation of a complex non-linear process control system
01/1984
01/31/1984CA1161575A1 Linear motion devices
01/24/1984US4427620 Nuclear reactor power supply
01/10/1984CA1160366A1 Screw and nut control mechanism for nuclear reactors
01/04/1984EP0097488A1 Method for controlling a nuclear fueled electric power generating unit and interfacing the same with a load dispatching system
12/1983
12/27/1983US4423002 Apparatus for controlling a nuclear reactor by vertical displacement of a unit absorbing neutrons
12/06/1983US4418462 Method of assembling and disassembling a control component structure
11/1983
11/30/1983EP0095417A1 Control rod drive mechanism in a guiding system of a nuclear reactor
11/29/1983US4418036 Inconel and zircaloy grids
11/23/1983EP0094884A1 Method and device for controlling the pH of the cooling water of a pressurized water nuclear reactor
11/02/1983EP0093055A1 Releasable anti-ejection device for control rods in a nuclear reactor
11/01/1983US4412968 Core safety rod release
10/1983
10/25/1983US4411860 Protective devices
10/25/1983US4411858 Power performance monitoring system for nuclear reactor fuel core
10/25/1983US4411857 Nuclear reactor control apparatus
10/18/1983US4410485 Assembly fixture for cross-shaped control rods of boiling water nuclear reactors
10/12/1983EP0091255A2 Cable tray protection system
09/1983
09/21/1983EP0088945A1 Method of loading and unloading a nuclear reactor, and control element suitable for this method
09/07/1983EP0087927A2 Method of making annular pellets for use as burnable neutron absorbers
09/07/1983EP0087926A2 Burnable neutron absorbers
08/1983
08/23/1983US4400347 Absorber member for mounting in the lattice of a boiling water reactor
08/23/1983US4400346 Supporting pin can be of nickel alloy or stainless steel
08/16/1983US4399095 Protection and control system for a nuclear reactor
08/10/1983EP0085627A1 Fuel assembly with burnable poison
08/10/1983EP0085611A1 Method and device for modifying the concentration of a soluble poison in the coolant of the primary system of a nuclear reactor
08/02/1983CA1151322A1 Remote control device for connecting and disconnecting two very long elements disposed coaxially and end to end
07/1983
07/20/1983EP0083776A2 Xenon suppression in a nuclear fuelled electric power generation system
06/1983
06/15/1983EP0081430A1 Internal equipment in the upper part of a pressurized water reactor
06/15/1983EP0081429A1 Additional shut-off device for an undermoderated water cooled nuclear reactor
05/1983
05/31/1983US4386048 Variable overlap control
05/25/1983EP0079828A1 Guiding device for a central bundle of a nuclear reactor
05/10/1983US4382711 Device for the remote coupling and uncoupling of two elements of great length disposed coaxially and end to end
05/10/1983CA1146285A1 Nuclear reactor safety system
05/03/1983US4382059 Power change operating method of a boiling water reactor
04/1983
04/26/1983US4381284 Fuel assembly for a nuclear reactor
04/26/1983US4381283 For nuclear fuel assembly
04/20/1983EP0077253A1 Security device between a control system of a security actuator, and a logic control circuit thereof
03/1983
03/29/1983US4378329 Nuclear reactor core construction
03/29/1983CA1143874A1 Control component retainer
03/29/1983CA1143873A1 Method of nuclear reactor control using a variable temperature load dependent set point
03/08/1983US4376092 Chrome plated
03/08/1983CA1142658A1 Device for actuating a nuclear reactor control rod
02/1983
02/15/1983US4374083 With a means for introducing hydrogen into the liquid-filled section of the coolant loop
02/08/1983US4372912 Method of controlling the reactivity of a gas-cooled core reactor
02/01/1983US4371495 Self rupturing gas moderator rod for a nuclear reactor
01/1983
01/18/1983US4369161 Rack and pinion mechanism for moving a unit absorbing neutrons in a nuclear reactor
01/12/1983EP0069630A2 Variable reluctance electric motor for the translatery movement of the control rods in a nuclear reactor
01/11/1983US4368171 Control rod pattern
01/11/1983US4368170 Method of operating nuclear reactors
01/04/1983US4367196 Control rods of material such a cadmium or aluminum-lithium alloy for absorption of neutrons
12/1982
12/14/1982US4363778 To detect eroneous stator phase sequences
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