| Patents for G21C 7 - Control of nuclear reaction (2,764) |
|---|
| 05/29/1990 | US4929412 Control rod |
| 05/23/1990 | EP0369865A1 Control method for a pressurised-water nuclear reactor |
| 05/23/1990 | CN1008140B Underground low-power pivoted reactor in flawless cylindrical pressure vessel |
| 05/22/1990 | US4928291 Control cluster provided with removable control elements for a nuclear fuel reactor |
| 05/22/1990 | US4928219 Adaptable current regulating system |
| 05/15/1990 | US4925620 Control rod absorber section fabrication by square tube configuration and dual laser welding process |
| 05/01/1990 | US4921282 Undermoderated nuclear reactor |
| 04/25/1990 | EP0365025A2 Fuel assembly, spectral shift rod, nuclear reactor and power control method for nuclear reactor |
| 04/25/1990 | EP0364910A2 Control rod for influencing the reactivity of a nuclear reactor, and arrangement of a plurality of these control rods as a control element |
| 04/25/1990 | EP0364650A1 Sintered polycrystalline neutron-absorbent bodies comprising lanthanide rare-earth oxides and same water stabilized with a 4A-group metal oxide. |
| 04/25/1990 | CN1041664A Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor |
| 04/18/1990 | EP0363710A2 Combined support column and guide tube for use in a nuclear reactor |
| 04/17/1990 | US4917855 Apparatus for the shutdown of a high temperature nuclear reactor |
| 04/11/1990 | EP0363267A1 Device for centering and fixing a cluster guide tube flange on an upper core plate of a nuclear reactor |
| 04/04/1990 | EP0361916A2 Control rod absorber section fabrication by square tube configuration and laser welding process |
| 04/03/1990 | CA1267446A1 Nuclear reactor and method of operating same |
| 03/21/1990 | EP0359683A1 Method for producing a neutron absorber pellet, pellet obtained and use |
| 03/13/1990 | US4908180 Reactor core, reactor fuel assembly, fuel rod in fuel assembly, fuel column enriched with fissionable nuclei, water coolant assembly, steam generator; nuclear fuel column having controlled depletion zone |
| 02/28/1990 | EP0356259A2 Check valve test method for control rod drive |
| 02/27/1990 | US4904443 Control rod drive with upward removable drive internals |
| 02/21/1990 | EP0355004A2 Reconstitutable control assembly having removable control rods |
| 02/20/1990 | US4902470 Control rod |
| 02/20/1990 | US4902468 Control rod support having planar wear surfaces |
| 01/31/1990 | EP0353170A1 Method of producing a metallic neutron absorber element, and element obtained |
| 01/31/1990 | CN1039320A Absorpting drive machine of vibration for absorpting rod of nuclear reactors |
| 01/18/1990 | DE3824251A1 Reactor core with control elements |
| 01/17/1990 | CN1038896A Method and apparatus for detecting the fall of a control cluster in a nuclear reactor |
| 01/17/1990 | CN1006497B Nuclear reactor |
| 01/16/1990 | US4894200 Boiling water nuclear reactor, fuel assemblies, control rods |
| 01/10/1990 | EP0350283A2 Hafnium stainless steel absorber rod for control rod |
| 01/10/1990 | CN1038717A Upper internal nuclear reactor equipments including flow separation device |
| 01/10/1990 | CN1006423B Method of operating spectral shift nuclear reactor and nuclear reactor using water displacement clusters |
| 01/03/1990 | EP0349379A1 Control spider with removable rods for a nuclear fuel assembly |
| 12/19/1989 | US4888151 Reconstitutable control assembly having removable control rods with detachable split upper end plugs |
| 12/19/1989 | US4888150 Control rod for nuclear reactors |
| 12/13/1989 | EP0345704A1 Method and device for detecting a dropped control cluster of a nuclear reactor |
| 11/30/1989 | WO1989011720A1 Antieject device for control members of nuclear reactors |
| 11/29/1989 | EP0343582A2 Components for constituting a nuclear reactor core, and method of operating a nuclear reactor |
| 11/29/1989 | EP0343562A1 Ejection-locking device for control elements of nuclear reactors |
| 11/28/1989 | CA1263482A1 Mechanism for driving and securing a control bar in a liquid cooled nuclear reactor |
| 11/21/1989 | US4882123 Hafnium control rod for nuclear reactors |
| 11/14/1989 | US4880596 Thermionic switched self-actuating reactor shutdown system |
| 11/07/1989 | US4879086 Neutron economic reactivity control system for light water reactors |
| 11/02/1989 | EP0339301A1 Method to determine and evaluate the emergency shut down margin of a nuclear pressurized water reactor |
| 11/02/1989 | DE3813476A1 Core construction for a nuclear reactor having a horizontal core carrying plate |
| 10/31/1989 | US4877575 Core reactivity validation computer and method |
| 10/31/1989 | US4877574 Method of and apparatus for controlling power of natural circulation reactor |
| 10/26/1989 | DE3812895A1 Nuclear reactor having a reactor core which can be controlled by means of control rods |
| 10/25/1989 | EP0338772A2 Nuclear reactor control rod with encapsulated neutron absorbent |
| 10/25/1989 | CN1036655A Protection system for protecting nuclear reactor in the event of reaction-inhibiting element falling |
| 10/24/1989 | US4876062 Fuel assembly |
| 10/24/1989 | US4876061 Resiliently loaded lateral supports for cantilever-mounted rod guides of a pressurized water reactor |
| 10/24/1989 | US4876060 Control blade for nuclear reactor |
| 10/24/1989 | US4876057 Control process for a nuclear reactor |
| 10/18/1989 | EP0337736A2 Nuclear reactor control rod having an extended service life |
| 10/17/1989 | US4874574 Control rod |
| 10/11/1989 | EP0336338A1 Method to determine and evaluate the return-to-power capacity of a nuclear pressurized water reactor |
| 10/03/1989 | US4871508 Method for operation of a light water boiling reactor |
| 09/27/1989 | CN1035907A A method of renovating the control system for controlling control clusters in unclear reactor, and corresponding control system |
| 09/26/1989 | CA1261979A1 Nuclear reactor control bar drive device |
| 09/26/1989 | CA1260630A1 Control cluster provided with removable control elements for a nuclear fuel reactor |
| 09/20/1989 | CN1035736A Super-internal apparatus of reactor having composition guiding device |
| 09/07/1989 | DE3806206A1 Hydraulic control rod drive for a nuclear reactor |
| 09/06/1989 | EP0331444A2 Control rod for nuclear reactors |
| 09/05/1989 | US4863678 Rod cluster having improved vane configuration |
| 09/05/1989 | US4863673 Check valve test method for control rod drive |
| 09/05/1989 | US4863672 Absorber rod |
| 08/30/1989 | EP0330493A1 Nuclear reactor control rod |
| 08/30/1989 | EP0329985A2 Nuclear Reactor operating method with extended life cycle |
| 08/29/1989 | US4861544 BWR control rod |
| 08/23/1989 | EP0329541A1 Nuclear reactor upper internal provisions with cluster guide devices |
| 08/23/1989 | EP0329536A1 Nuclear reactor upper internal provisions provided with a flow separation device |
| 08/22/1989 | USRE33030 Self rupturing gas moderator rod for a nuclear reactor |
| 08/16/1989 | EP0328445A1 Control mechanism comprising a shock absorber for a nuclear reactor absorber rod |
| 08/15/1989 | US4857264 Frictionally loaded top end supports for cantilever-mounted rod guides of a pressurized water reactor |
| 08/10/1989 | DE3249711C2 Nuclear reactor having a shutdown system which reacts as a function of the neutron flux |
| 08/08/1989 | US4855100 Reconstitutable control rod spider assembly |
| 08/02/1989 | EP0326267A2 Core reactivity validation computer and method |
| 08/02/1989 | EP0326057A1 Nuclear reactor protection system in case of a dropped reactivity-reducing element |
| 08/01/1989 | US4853176 Hafnium stainless steel absorber rod for control rod |
| 07/25/1989 | US4851186 Nuclear reactor core and process for charging said core |
| 07/25/1989 | US4851183 Underground nuclear power station using self-regulating heat-pipe controlled reactors |
| 07/19/1989 | EP0324427A1 Renovation process for the control rod cluster drive control of a nuclear reactor, and relevant controller |
| 07/18/1989 | US4849162 Modular radial neutron reflector |
| 07/04/1989 | US4844859 Removable and lockable guide ring in an orifice passing through a plate and its use for a guide tube of a nuclear reactor |
| 07/04/1989 | US4844856 Process for automatic regulation of the soluble boron content of the cooling water of a pressurized water nuclear reactor |
| 06/27/1989 | US4842815 Device for locking a guide ring on a plate having an orifice and its use for a guide tube of a nuclear reactor |
| 06/27/1989 | US4842813 Nuclear reactor having a longitudinally elongated vessel |
| 06/27/1989 | US4842805 Method of detecting that an anti-reactive element has fallen into the reactor of a nuclear power station, and a power station protected against such a fall |
| 06/06/1989 | US4836977 Standardized reduced length burnable absorber rods for a nuclear reactor |
| 06/06/1989 | US4836973 Method of determining the alarm threshold of the over-heating ratio, a device for implementing the method, and a method of controlling a nuclear reactor |
| 05/23/1989 | US4832899 Mechanical spectral shift reactor |
| 05/16/1989 | US4830818 Ceramic installations |
| 05/09/1989 | US4829191 Switchable radioactive neutron source device |
| 05/02/1989 | US4826649 Hydraulic control for rod drive for water-cooled nuclear reactors, especially heating reactors |
| 05/02/1989 | US4826648 Neutron absorbing bar damping device |
| 05/02/1989 | US4826647 Spectral shift reactor |
| 05/02/1989 | US4826630 Burnable neutron absorbers |
| 05/02/1989 | CA1253637A1 Electromagnetic control bar drive device, with reduced heat losses |
| 04/26/1989 | EP0313365A2 Control rod support having planar wear surfaces |