| Patents for G21C 9 - Emergency protection arrangements structurally associated with the reactor (2,227) |
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| 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 |
| 03/24/1988 | WO1988001902A1 A method for cleansing gases and apparatus herefor |
| 03/24/1988 | WO1988001901A1 A method for cleansing gas and apparatus herefor |
| 03/17/1988 | DE3724670A1 Arrangement and method for limiting the consequences of a core meltdown accident in nuclear power stations |
| 03/17/1988 | DE3630853A1 Nuclear reactor, in particular nuclear boiling-water heating reactor, with a liquid poison system for injecting a neutron-absorbing liquid |
| 03/10/1988 | DE3628855A1 Process and device for safeguarding the surroundings of nuclear power stations in the case of core meltdowns |
| 03/02/1988 | EP0258140A1 Basement for confinement building of a nuclear reactor |
| 02/11/1988 | DE3626165A1 Device for reducing possible accident consequences in nuclear electric power stations |
| 02/09/1988 | US4723611 Maintenance screw drill/conveyor tool and method for maintenance of ice beds of ice condenser containment |
| 01/21/1988 | DE3719062A1 Arrangement for cooling a nuclear power plant |
| 01/21/1988 | DE3632690A1 Method for absorbing pressure shocks in media conveyed through pipes and a device for carrying out the method |
| 01/20/1988 | CN87105789A Hermetic chamber ground of a nuclear reactor |
| 01/14/1988 | DE3711480A1 Nuclear reactor with emergency cooling |
| 01/07/1988 | DE3621150A1 Supply air unit for clean rooms |
| 12/23/1987 | DE3620672A1 Dual-cycle nuclear reactor |
| 12/17/1987 | DE3620230A1 Fitting, in particular a safety valve |
| 12/15/1987 | US4713210 Control rod driveline and grapple |
| 12/10/1987 | DE3618966A1 Arrangement for safeguarding the fuel chamber of nuclear reactors against overheating |
| 12/08/1987 | US4712015 Shields for nuclear reactors |
| 12/08/1987 | US4711759 Removable cruciform for ice condenser ice basket |
| 12/08/1987 | US4711755 Handling tool for, and method of use of, ice basket removable cruciform |
| 12/03/1987 | DE3618481A1 Method for optimising passive safety in the operation of a nuclear reactor |
| 12/02/1987 | EP0247518A2 Device for the temperature-dependent pressure release of pressure vessels |
| 11/12/1987 | DE3615568A1 Atomic power station having an atomic reactor accommodated in a largely fail-safe fashion |
| 10/06/1987 | US4698202 Process for installation for the controlled discharge of activity from a reactor containment structure of a gas-cooled nuclear power plant |
| 10/06/1987 | US4698200 Self-actuated nuclear reactor shutdown system using induction pump to facilitate sensing of core coolant temperature |
| 09/15/1987 | US4693279 Device for removably fixing an internal structure to a circular wall inside an envelope |
| 09/08/1987 | US4692297 Control of nuclear reactor power plant on occurrence of rupture in coolant tubes |
| 08/19/1987 | EP0232635A1 Automatic trigger device for dropping an absorber element into a core of a nuclear reactor |
| 08/18/1987 | US4687626 Passive safety device for emergency steam dump and heat removal for steam generators in nuclear power reactors |
| 08/18/1987 | US4687625 Piping of nuclear reactor containment vessel |
| 08/18/1987 | US4687624 Liquid metal cooled fast breeder reactor |
| 07/21/1987 | US4681732 Neutron absorbing material sealded in sheath which melts at temperature above shutdown |
| 07/21/1987 | US4681726 Fast breeder reactor |
| 07/15/1987 | EP0228929A1 Device for the antiseismic connection between the lower pump shaft and the sphere of a nuclear reactor |
| 06/23/1987 | US4674607 Shock absorbing device with integral pressure relief valve |
| 06/09/1987 | US4671920 Screw drill, conveyor tool |
| 05/19/1987 | US4666661 Means for cooling a heat-generating device |
| 05/19/1987 | US4666657 Remotely adjustable intermediate seismic support |
| 05/19/1987 | US4666654 Boiling water neutronic reactor incorporating a process inherent safety design |
| 05/13/1987 | EP0221298A1 Thermally activated trigger device |
| 05/05/1987 | US4663116 Cooling water circulation system |
| 05/05/1987 | US4662023 Ice removal auger for ice condenser containment |
| 04/28/1987 | US4661312 Pressure relief system in nuclear reactors |
| 04/21/1987 | US4659068 Ice basket cruciform removal tool |
| 04/14/1987 | US4657727 Fission product barrier emergency event classification and response system |
| 04/14/1987 | US4657095 Compact ice basket weighing tool |
| 04/01/1987 | EP0216665A1 Absorbing element for a fast neutrons nuclear reactor |
| 03/31/1987 | US4654192 By deformation of bi-metallic means |
| 03/31/1987 | US4654191 Pressure release arrangement for the safety containment of a pressurized water nuclear reactor |
| 03/19/1987 | DE3533016A1 Pressure accumulator for feeding a cooling fluid into a nuclear reactor |
| 03/17/1987 | US4650642 Cast steel containment vessel |
| 03/10/1987 | US4648425 System and method of confirming operation of a steam relieving safety valve for a water-cooled nuclear reactor |
| 03/05/1987 | DE3530091A1 Protective casing |
| 02/24/1987 | US4645641 Process and installation to secure a prestressed concrete pressure vessel surrounded by a reactor protection building against excessive pressure and to prevent the release of activity to the environment |
| 02/17/1987 | US4643870 Heat dissipating nuclear reactor |
| 02/10/1987 | US4642214 Nuclear pebble bed reactor with inherent passive stabilization in the event of damage |
| 12/24/1986 | CN85104786A Remotely adjustable intermediate seismic support |
| 12/23/1986 | US4631164 Enclosing activity carrying components; targeted oxidation of free hydrogen |
| 11/25/1986 | US4624826 Control rod velocity limiter |
| 10/15/1986 | EP0197291A1 An automatic system and a method for reactivity control in a nuclear reactor |
| 09/16/1986 | US4612158 Pressure equalization |
| 09/09/1986 | US4610840 Fission product scrubbing system for a nuclear reactor |
| 09/02/1986 | US4609523 Passive pH adjustment of nuclear reactor containment flood water |
| 09/02/1986 | US4609521 Complementary shutdown device for an undermoderated nuclear reactor |
| 08/27/1986 | CN85109288A Fission product scrubbing system for a nuclear reactor |
| 08/20/1986 | CN85100182A Light-water reactor in the nuclear power station using double pressure shells |
| 07/22/1986 | US4601873 Stabilizing by changing density |
| 07/16/1986 | CN85108160A Preventing the overpressurization in a pwr in the event of loss of main feedwate |
| 07/15/1986 | US4600553 Reactor cavity |
| 07/02/1986 | EP0186302A1 Shields for nuclear reactors |
| 07/01/1986 | USH91 Safety apparatus for nuclear reactor to prevent structural damage from overheating by core debris |
| 06/25/1986 | EP0185455A1 Method of controlling a PWR so as to prevent overpressurization in the event of feedwater loss |
| 06/24/1986 | US4596373 Anti-vibration apparatus for seismic acceleration |
| 06/17/1986 | US4595555 Reactor and storage tanks in sin&le building |
| 05/06/1986 | US4587084 Control rod drive |
| 04/29/1986 | US4584802 Protective structure for the floor of a concrete enclosure having to contain a high temperature fluid |
| 04/22/1986 | US4584165 Safety system-injecting liquid boron into boilin-water reactor core |
| 04/22/1986 | US4584164 Valve control for low temperature overpressure protection in a nuclear power plant |
| 04/22/1986 | US4583584 Seismic snubber accommodating variable gaps in pressure vessels |
| 04/15/1986 | US4582675 To activate electromaguetic grapple to hold control rod; self-actuated |
| 04/15/1986 | US4582672 Detyecting boron dilution events; neutron flux count rate signal |
| 04/08/1986 | US4581199 Earthquake resistant hall for a nuclear boiler and its confinement chamber |
| 04/01/1986 | CA1202501A1 Nuclear plant with earthquake resistant boiler and contaminent room |
| 03/18/1986 | US4576782 Emergency coolant recirculation for pressurized water reactor; non-exposure to air |
| 03/18/1986 | US4576088 Pressure-wave protective flap (or damper) |
| 01/28/1986 | US4567016 Venting means for nuclear reactors |
| 01/07/1986 | EP0153308A4 Retrofittable nuclear reactor. |
| 10/08/1985 | US4545954 Device for shutting down a high-temperature nuclear reactor |
| 09/04/1985 | EP0153308A1 Retrofittable nuclear reactor. |
| 08/14/1985 | EP0151531A2 Passive pH adjustment of nuclear reactor containment flood water |
| 07/02/1985 | US4526743 Containment vessel for a nuclear reactor |
| 07/02/1985 | US4526742 Including pool filled with neutron absorbing pool liquid, reactor vessel within pool and enclosing water filled core |
| 06/04/1985 | CA1188432A1 Process for precluding or reducing the danger to a system during an accident |
| 05/15/1985 | EP0141237A1 Device for cooling an apparatus for the production of heat |
| 05/08/1985 | EP0140326A1 Fast breeder reactor |
| 05/02/1985 | EP0139527A1 Nuclear reactor loss of coolant protection system |
| 03/19/1985 | US4505875 Coolant standpipe system for protection of a nuclear reactors safety vessel against breakdown from overpressure |
| 02/28/1985 | WO1985000921A1 Retrofittable nuclear reactor |