Patents for G21C 7 - Control of nuclear reaction (2,764) |
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04/18/1989 | CA1252919A1 Actuating device for linearly moving a cluster of control elements in a nuclear reactor |
04/11/1989 | US4820478 Nuclear reactor control rod with uniformly changeable axial worth |
04/11/1989 | US4820475 Burnable absorber rod push out attachment joint |
04/11/1989 | US4820058 Control rod end plug with a stabilizing configuration |
04/05/1989 | EP0309925A2 Method for reducing wear on the control rods of a nuclear reactor control element and apparatus for carrying out the method. |
04/04/1989 | CA1252231A1 Device and method for retaining a linearly movable element in a nuclear reactor |
04/04/1989 | CA1252230A1 Device for displacing and latching a cluster of control elements in a nuclear reactor |
03/28/1989 | US4816212 Graphite side reflector |
03/28/1989 | US4816206 Nuclear reactor control bar drive device |
03/21/1989 | US4815014 Machine assisted execution of process operating procedures |
03/21/1989 | CA1251580A1 Apparatus and method for closed loop control of reactor power |
03/08/1989 | EP0305719A2 Centrifugal brake for control rod drive |
03/02/1989 | DE3727529A1 Swimming-pool nuclear reactor |
03/01/1989 | EP0305159A2 Rod cluster spider having improved vane configuration |
01/31/1989 | US4801422 Apparatus for installing and removing a control rod drive in a nuclear reactor |
01/25/1989 | EP0300745A2 Reactivity control method of light-water cooled, lightwater moderated nuclear reactor core and apparatus therefor |
01/17/1989 | US4798700 Ceramic installations |
01/17/1989 | US4798699 Wear sleeve for a control rod end plug |
01/17/1989 | CA1249079A1 Installation comprising a nuclear reactor |
12/28/1988 | EP0296954A1 Modular neutron absorber element and modular capsule for such an element |
12/28/1988 | CA1247758A Control rod driveline and grapple |
12/27/1988 | US4793965 Simplified, flexible top end support for cantilever-mounted rod guides of a pressurized water reactor |
12/15/1988 | DE3817486A1 Control rod for a nuclear reactor |
12/07/1988 | EP0153240B1 Submoderated nuclear reactor |
11/29/1988 | US4788027 Die and cylinder punch mechanism |
11/08/1988 | US4783307 Reactor control system verification |
11/02/1988 | EP0288745A2 Sealing device |
11/01/1988 | US4781881 Power levels altered by adjusting rate of change of reactivity; computers |
10/26/1988 | EP0288381A1 Nuclear reactor control procedure |
10/25/1988 | US4780268 Neutron absorber articles |
10/19/1988 | CN88102423A Method of and apparatus for controlling output power of nuclear reactor |
10/18/1988 | US4778645 Pressurized water reactor having disconnectable two-piece drive rod assemblies, and related methods of assembly and maintenance operations |
10/11/1988 | US4777012 Enclosing the metal removal tubes with graphite and boron |
10/11/1988 | US4777010 Rod drive control system for nuclear reactors |
10/06/1988 | DE3810202A1 Core of a light water reactor |
10/05/1988 | EP0285380A2 Control rod |
10/05/1988 | EP0285258A2 Reactivity control in nuclear reactors |
10/04/1988 | US4775506 Nuclear reactor having control clusters with hydraulic actuation |
09/28/1988 | EP0284016A2 Fuel assembly |
09/21/1988 | EP0282600A1 Fuel assembly and reactor |
09/21/1988 | CN88101263A Power control method and apparaturs for natural circulating reactors |
09/20/1988 | US4772448 Crimpable cylinder integrally connected to an internally threaded section; sidewalls; nuclear reactors |
09/14/1988 | EP0281805A1 Method of detecting a rod breakdown in a nuclear reactor, and power plant with protection against such a breakdown |
09/13/1988 | US4770846 Replacement support pin for guide tubes in operating plants |
09/13/1988 | US4770845 Self-actuating reactor shutdown system |
09/13/1988 | US4770843 Controlling fuel assembly stability in a boiling water reactor |
09/13/1988 | US4770840 Fuel assemblies having same configuration may contain fertile or depleted fuels |
09/07/1988 | WO1988006796A1 Reactor control system verification |
09/07/1988 | CN88100686A Method of measurement of reaction component falling into reactor in nuclear power plant |
08/31/1988 | EP0280553A2 Computer assisted execution of process operating procedures |
08/30/1988 | US4767595 Repositioned fuel assembly |
08/17/1988 | EP0278799A1 Reactor core and fuelling process for this core |
08/16/1988 | US4764339 High flux reactor |
08/10/1988 | EP0277594A1 Method of determining the alarm level of the critical heat-up and device for carrying it out. |
08/10/1988 | CN88101339A Method of determining the alarm threshold of over-heating ratio, device for implementing the method, and method of controlling nuclear reactor |
08/09/1988 | US4762673 Burnable poison rod for use in a nuclear reactor |
08/09/1988 | US4762672 Fast breeder reactor |
08/09/1988 | US4762670 Cleaning apparatus for atomic reactor control rod driving means (CRD) |
08/09/1988 | US4762662 Thermally activated trigger device |
08/09/1988 | US4762661 Upper end piece for nuclear fuel assemblies |
08/09/1988 | US4762266 Method for performing remotely-manipulated work on a conduit of a nuclear facility |
08/03/1988 | EP0276361A1 Installation with a nuclear reactor, especially a heating reactor |
07/28/1988 | WO1988005595A1 Plant with nuclear reactor, in particular a thermal reactor |
07/26/1988 | US4759904 Pressurized water reactor having improved calandria assembly |
07/13/1988 | EP0274311A1 Shock absorber for the control rods of a nuclear fuel assembly |
07/12/1988 | US4756868 Electromagnetically controlled means placed outside enclosure, hydraulic means controlled by the controller for reducing pressure of the coolant |
07/12/1988 | US4756067 Manual replacement of old split-pin assemblies by new split-pin assemblies |
07/05/1988 | US4755346 Device for displacing and latching a cluster of control elements in a nuclear reactor |
06/28/1988 | US4753769 Device and method for retaining a linearly movable element in a nuclear reactor |
06/21/1988 | US4752440 Absorber plates with channels, material which gives off gas and swells on irradiation |
06/21/1988 | US4752438 Cluster guide with centering and antivibratory positioning device for nuclear reactors |
06/21/1988 | US4752434 Vertical movement, positioning |
06/21/1988 | US4752433 For selective positioning of water dispacer rods |
06/16/1988 | DE3641504A1 Low-output nuclear reactor located in the cavern of a pressure vessel |
06/14/1988 | US4751042 Removable control rod drive shaft guide |
06/14/1988 | US4751041 Sealed zirconium alloy tube containing zirconium hydride and boron compound |
06/07/1988 | US4748733 Removal of old split-pin assemblies from guide tubes and replacement by new split-pin assemblies |
06/01/1988 | EP0268899A2 Pressurized water nuclear reactor |
06/01/1988 | EP0268863A1 Control and shut-down device with subdivided travel for a nuclear reactor |
05/31/1988 | US4747994 For switchgear mechanisms in pressurized light water reactor |
05/17/1988 | US4744922 Neutron-absorbing material and method of making same |
05/11/1988 | EP0266593A2 Frictionally loaded top end supports for cantilever-mounted rod guides of a pressurized water reactor |
05/11/1988 | EP0266592A2 Simplified, flexible top end support for cantilever-mounted rod guides of a pressurized water reactor |
05/11/1988 | EP0266591A2 Resiliently loaded lateral supports for cantilever-mounted rod guides of a pressurized water reactor |
04/19/1988 | US4738023 Hooking apparatus for a removable constriction plug |
04/06/1988 | CN87104769A Hydraulischer steuerstabantrieb fur wassergekuhlte kernreaktoren insbesondere heizreaktoren |
04/05/1988 | US4735767 Method and device for reducing the activity of a gas-cooled stacked-ball nuclear reactor |
03/29/1988 | US4734252 Nuclear reactor shutdown control rod assembly |
03/29/1988 | US4734249 Boiling water type in cold shut-down state |
03/24/1988 | WO1988002176A1 Fuel assembly and reactor |
03/24/1988 | DE3632503A1 Core structure for nuclear reactors with hexagonal fuel-element grid of round piping |
03/24/1988 | DE3631020A1 Drive device |
03/24/1988 | DE3631018A1 Method and device for shutting down and moderating nuclear reactors with a side reflector |
03/24/1988 | DE3631017A1 Drive device |
03/17/1988 | DE3630853A1 Nuclear reactor, in particular nuclear boiling-water heating reactor, with a liquid poison system for injecting a neutron-absorbing liquid |
03/08/1988 | US4729868 Vibration arrestor for rod guide support structure of the inner barrel assembly of a pressurized water reactor |
03/01/1988 | US4728488 Chromium carbide, nuclear reactors |
03/01/1988 | US4728487 Standardized reduced length burnable absorber rods for a nuclear reactor |
03/01/1988 | US4728480 Apparatus and method for refurbishing a spectral shift mechanism for a nuclear reactor fuel assembly |
02/24/1988 | EP0256934A1 Absorber rod comprising integrated shock absorber device |