| Patents for G21C 9 - Emergency protection arrangements structurally associated with the reactor (2,227) |
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| 04/07/1999 | EP0907187A1 Nuclear water reactor which vessel contains a core recovering device after an accidental fusuion |
| 03/30/1999 | US5889831 Containment of a nuclear power station |
| 03/30/1999 | US5889830 Cooling system for cooling a containment chamber constructed for receiving a core melt |
| 03/17/1999 | EP0739530B1 Passive decay heat removal and internal depressurization system for nuclear reactors |
| 03/10/1999 | EP0901132A1 Water nuclear reactor incorporating specific compartments for either storage or treatment of hydrogen |
| 03/10/1999 | EP0736214B1 Safety feed and borating system for a pressurised water reactor and process for operating such a system |
| 02/17/1999 | EP0792508B1 Expansion chamber for a melting reactor core and process for dissipating heat therefrom |
| 02/16/1999 | US5872825 Apparatus and method for inerting and venting the containment atmosphere in a nuclear power station |
| 02/02/1999 | US5867548 Device and method for collecting and cooling reactor-meltdown products |
| 01/27/1999 | CN1041866C Apparatus for removing aerosols from air of nuclear reactor containment |
| 01/26/1999 | US5864596 Minimizing the accumulation of metal-oxide deposits |
| 01/13/1999 | CN1041660C Apparatus for recovery of molten core of nuclear reactor |
| 01/06/1999 | CN1041571C Staged depressurization system |
| 12/09/1998 | CN1201550A Passive emergency hydrogen mitigation system for water-cooled nuclear reactors |
| 12/03/1998 | WO1998054731A1 Ignition system for recombining hydrogen in a gas mixture, and a containment in a nuclear installation |
| 11/18/1998 | EP0878011A1 Steam blowing assembly for nuclear power plants |
| 10/28/1998 | EP0873564A1 Reactor pressure vessel |
| 10/20/1998 | US5825838 Reactor flooding system for a retaining molten core materials in a reactor vessel by the improved external vessel cooling capability |
| 10/07/1998 | CN1195419A Device and method for inerting and venting atmosphere in containment vessel of nuclear-power station |
| 10/01/1998 | DE19722305C1 Unit mitigating effects of serious incident in pressure containment dome of nuclear power reactor |
| 09/29/1998 | US5815542 Device for collecting reactor-meltdown products from a reactor pressure vessel |
| 09/24/1998 | DE19722165C1 Spark ignition system for hydrogen recombination |
| 09/24/1998 | DE19711208A1 Pressure release flap for pressure equalisation in buildings, containers etc. |
| 09/16/1998 | EP0864160A1 Containment for use at a nuclear power station |
| 09/16/1998 | EP0702836B1 Closing device for initiating cooling for a core melt |
| 09/11/1998 | WO1998039779A1 A nuclear plant |
| 09/11/1998 | WO1998039778A1 A nuclear plant |
| 09/02/1998 | EP0769190B1 Inert gas generation process and device |
| 09/01/1998 | US5802128 Device for recovery of fluid contained in the coolant circuit of a nuclear reactor |
| 08/27/1998 | WO1998037560A1 Pulse generator and method for controlling a fitting in a nuclear power plant by means of an pulse generator |
| 08/19/1998 | EP0858663A1 Passive emergency hydrogen mitigation system for water-cooled nuclear reactors |
| 08/18/1998 | US5796798 System for discharging fluid from a certain into a pool |
| 08/13/1998 | WO1998035356A1 Device for recombining hydrogen in a gas mixture |
| 08/11/1998 | US5791107 Building with a sealing element |
| 07/23/1998 | WO1998032134A1 Nuclear reactor installation with a cooling device for core melt-through collectors |
| 07/01/1998 | CN1186563A Nuclear reactor with molten core cooling in propagation chamber |
| 06/18/1998 | DE19702960C1 Nuclear reactor meltdown interceptor dividing and cooling core meltdown products as rapidly as possible |
| 06/17/1998 | EP0847584A1 Device and method for inerting and venting the atmosphere in the containment vessel of a nuclear-power station |
| 06/17/1998 | CN1185228A Nuclear reactor with molten core collecting chamber |
| 06/11/1998 | WO1998025273A1 Container for accommodating and diffusing a molten reactor core and a nuclear power station fitted with said container |
| 06/10/1998 | DE19704608C1 Convection-driven hydrogen recombination chimney within nuclear power plant containment |
| 06/09/1998 | US5764716 Process and apparatus for generating an inerting gas |
| 06/02/1998 | US5761262 Passive containment cooling system of nuclear reactor |
| 06/02/1998 | US5761261 In a cooling system for a nuclear power plant |
| 05/28/1998 | DE19653205C1 Nuclear reactor melt-down interceptor with natural, indirect cooling system |
| 05/20/1998 | EP0730776B1 Device for retaining a core melt-through inside the spreading chamber of a nuclear reactor installation |
| 05/20/1998 | EP0672290B1 Device for filtering water to an emergency cooling system in a nuclear power plant |
| 05/19/1998 | US5754612 Joint for interfacing steel head closure and prestressed concrete reactor vessel |
| 05/14/1998 | WO1998003051A3 Polymer dispersants and methods of use in a nuclear steam generator |
| 05/06/1998 | EP0839377A1 Depressurization system for pressurized steam operated plant |
| 05/05/1998 | US5748693 Safety feed for borating system for a pressurized water reactor and process for operating such a system |
| 04/30/1998 | DE19638980C1 Auffangeinrichtung zur Aufnahme hocherhitzter, zumindest teilweise fließfähiger Materialien, wie z. B. Flüssigkeiten, Schlacken, Schmelzen und dgl., insbesondere Schmelzeauffängereinrichtung für Kernkraftwerke Collection means for receiving superheated, at least partially flowable materials, such. As liquids, slag, melting, and the like., Especially Schmelzeauffängereinrichtung for nuclear power plants |
| 04/15/1998 | EP0835512A1 Nuclear reactor with molten core collecting chamber |
| 04/15/1998 | EP0835511A1 Nuclear reactor with molten core cooling in the propagation chamber |
| 04/14/1998 | US5740217 Passive emergency hydrogen mitigation system for water-cooled nuclear reactors |
| 04/14/1998 | US5740216 Vertical seismic isolation structure of common deck system for nuclear reactor components |
| 04/02/1998 | WO1998013832A1 Gap structure for nuclear reactor vessel |
| 04/02/1998 | WO1998013831A1 Collecting device for high-temperature molten mass |
| 04/02/1998 | WO1998013830A1 Collector for highly heated, at least partially fluid materials, such as liquids, slags, molten masses and the like, in particular molten mass collector for nuclear power stations |
| 04/02/1998 | DE19638989A1 Auffangeinrichtung zur Aufnahme von Hochtemperaturschmelze Collection means for receiving high-temperature melt |
| 04/01/1998 | CN1178029A Device for catching melt-down products from a nuclear reactor pressure vessel |
| 03/26/1998 | WO1998012709A1 Water displacer |
| 03/19/1998 | WO1998011561A1 Process and device for initiating a hydrogen-oxygen reaction in a reactor safety container |
| 03/19/1998 | WO1998011406A1 Catalyst system and recombination device for recombining hydrogen and oxygen, in particular for a nuclear power station |
| 03/12/1998 | DE19636557A1 Katalysatorsystem und Rekombinationseinrichtung zur Rekombination von Wasserstoff und Sauerstoff, insbesondere für ein Kernkraftwerk Catalyst system and recombination device for the recombination of hydrogen and oxygen, in particular for a nuclear power plant |
| 01/29/1998 | WO1998003051A2 Polymer dispersants and methods of use in a nuclear steam generator |
| 01/27/1998 | US5712886 Device for detecting and monitoring perforation of the bottom head of the vessel of a nuclear reactor |
| 01/21/1998 | EP0820067A1 Steam relief system with an internal condenser |
| 01/21/1998 | EP0819309A1 Device for catching melt-down products from a reactor pressure vessel |
| 01/15/1998 | DE19636555C1 Initiation of hydrogen-oxygen reaction in catalytic recombination- or ignition unit |
| 01/06/1998 | US5706320 Containment pressure suppression system for liquid metal cooled reactors |
| 01/02/1998 | DE19625405A1 Cooling arrangement and process for e.g. molten materials or slags |
| 12/30/1997 | US5703917 Closing device for initiating cooling for a core melt |
| 12/03/1997 | CN1166888A System for cooling containment chamber in event of core melt-through |
| 12/03/1997 | CN1166675A Device for recovery of fluid contained in coolant circuit of nuclear reactor |
| 12/02/1997 | US5694442 System for passively dissipating heat from the interior of a nuclear reactor containment structure |
| 11/20/1997 | DE19720702A1 Plant for recovering nuclear reactor primary coolant |
| 11/18/1997 | US5689538 Device and method for recovering and cooling the molten core of a nuclear reactor |
| 11/04/1997 | US5684846 Nuclear reactor plant having containment isolation |
| 10/22/1997 | EP0721646B1 Depressurising system for plants operating with pressurised steam |
| 10/08/1997 | EP0799485A1 System for cooling a containment chamber in the event of core melt-through |
| 09/10/1997 | EP0706707B1 Device for containing and cooling reactor-meltdown products |
| 09/03/1997 | EP0792508A1 Expansion chamber for a melting reactor core and process for dissipating heat therefrom |
| 08/26/1997 | US5661770 Passive emergency water system for water-cooled nuclear reactors |
| 08/26/1997 | US5661769 Depressurising system for plants operating with pressurized steam |
| 08/20/1997 | EP0702835B1 Device and method for collecting and cooling reactor-meltdown products |
| 08/20/1997 | EP0702834B1 Device for recovering reactor-meltdown products which escape from a reactor pressure vessel |
| 08/19/1997 | US5659591 Containment spray system for a light-water reactor |
| 08/19/1997 | US5659589 Device for collecting and cooling reactor-meltdown products |
| 08/07/1997 | WO1997028536A1 Steam blowing assembly for nuclear power plants |
| 08/07/1997 | DE19703423A1 Wire cutting, explosive valve |
| 07/29/1997 | US5652775 Method and device for detecting and monitoring perforation of the vessel bottom head of a nuclear reactor |
| 07/17/1997 | WO1997025720A1 Reactor pressure vessel |
| 06/24/1997 | US5642389 Light water reactor in particular a boiling water reactor with a high degree of inherent safety |
| 06/18/1997 | EP0779627A1 Device for rendering inert the atmosphere in a nuclear power plant containment |
| 06/05/1997 | WO1997020321A1 Containment for use at a nuclear power station |
| 06/04/1997 | EP0777237A1 A device for the safety of a high risk industrial plant |
| 05/22/1997 | WO1997018565A1 Method and apparatus for protecting a pwr from departure from nucleate boiling and hot leg boiling |
| 05/21/1997 | EP0688459B1 Heat dissipation system for a nuclear reactor, in particular a pressurized water reactor |
| 05/21/1997 | CN1150310A Device for detecting and monitoring perforation of bottom head of vassel of nuclear reactor |