Patents
Patents for G21C 15 - Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants (3,086)
01/1990
01/10/1990CN1038718A Nature cycling reactor
01/10/1990CN1038717A Upper internal nuclear reactor equipments including flow separation device
12/1989
12/06/1989EP0345160A1 Liquid metal cooled fast neutron nuclear reactor
11/1989
11/29/1989EP0344041A1 Nuclear reactor emergency cooling water feeding device
11/29/1989CN1005940B Nuclear reactor coolant pump impeller / shaft assembly
11/16/1989DE3822212C1 Nuclear reactor installation consisting of a high-temperature small reactor, a helium/helium heat exchanger and a helium/water heat exchanger
11/16/1989DE3814860A1 Boiling water nuclear reactor having natural circulation
11/09/1989DE3814691A1 Nuclear power station with a gas-cooled high temperature reactor of low power
11/07/1989US4879089 Liquid metal cooled nuclear reactors
11/07/1989US4879087 Nuclear power plant
11/02/1989EP0339255A2 Isolation condensor with shutdown cooling system heat exchanger
10/1989
10/05/1989DE3909446A1 Pressure container for a nuclear reactor
09/1989
09/27/1989EP0334690A2 Method and device for limiting parasitic cooling water jets in a pressurized-water nuclear reactor
09/20/1989EP0332817A1 Shroud tank and fill pipe for a boiling water nuclear reactor
09/13/1989EP0331887A2 Turbine-generator shaft-coupled auxiliary generators supplying short-duration electrical loads for an emergency coolant injection system
09/06/1989CN1035385A Internal equipements in lower part of nuclear reactor
09/05/1989US4863677 Nuclear power plant having a containment
09/05/1989US4863676 Inherently safe, modular, high-temperature gas-cooled reactor system
08/1989
08/30/1989EP0329957A2 Nuclear boiling water reactor upper plenum with lateral throughpipes
08/23/1989EP0329536A1 Nuclear reactor upper internal provisions provided with a flow separation device
08/23/1989EP0328872A1 Corrosion inhibition of closed cooling water auxiliary system for nuclear power plants
08/22/1989US4859406 Reactor
08/22/1989US4859403 Feedwater sparger restraint
08/22/1989US4859401 Nuclear reactor
08/16/1989EP0328447A1 Nuclear reactor lower internal appliances
08/09/1989EP0326605A1 Heat-transfer wall composed of two plate-like parts
08/02/1989EP0325781A2 Steam-assisted jet pump
08/01/1989US4852645 Thermal transfer layer
07/1989
07/26/1989EP0325230A2 Internal pump for nuclear reactor
07/25/1989US4851183 Underground nuclear power station using self-regulating heat-pipe controlled reactors
07/18/1989US4849159 Coolant-pumping system for a nuclear reactor
07/18/1989CA1257715A1 Reactor with natural convection backup cooling system
07/11/1989US4847043 Steam-assisted jet pump
07/11/1989US4847040 Nuclear power plant with a gas cooled high temperature reactor
07/05/1989EP0323306A1 Pressurized-water nuclear reactor with a massive shroud
07/04/1989US4844857 Pressurized water reactors
06/1989
06/28/1989EP0201546B1 Heat transfer device for the transport of large conduction flux without net mass transfer
06/27/1989US4842813 Nuclear reactor having a longitudinally elongated vessel
06/27/1989US4842810 Nuclear power plant with a high temperature reactor located eccentrically in a cylindrical prestressed concrete pressure vessel
06/27/1989US4842054 Pump/heat exchanger assembly for pool-type reactor
05/1989
05/23/1989US4832904 Emergency cooling device for a fast neutron nuclear reactor
05/18/1989DE3836563A1 Drive system for a coolant pump in an atomic power station
05/16/1989US4830815 Isolation condenser with shutdown cooling system heat exchanger
05/09/1989US4828788 Support device for a discharge tank associated with a suspended pump of a nuclear reactor
05/09/1989US4828459 Annular linear induction pump with an externally supported duct
05/02/1989US4827063 Nuclear reactor fuel assembly
05/02/1989US4826653 Fuel assembly with a water flow separated from the fuel rodsr
05/02/1989US4826652 Low capacity nuclear reactor housed underground in the cavity of a cylindrical pressure vessel
05/02/1989CA1253408A1 Removable shutter for an orifice which is only accessible by means of a narrow passage
04/1989
04/27/1989DE3819485C1 Nuclear reactor installation, comprising a high-temperature small reactor, a helium/helium heat exchanger and a helium/water heat exchanger, and method for its operation
04/25/1989US4824329 Method and apparatus for controlling liquid metal flow
04/19/1989EP0312416A1 Removable device for controlling the coolant flow of a fast neutron nuclear reactor assembly and control method and corresponding assembly
04/18/1989US4822557 Emergency reactor core cooling structure
04/13/1989DE3731908A1 Nuclear power station with high-temperature reactor and steam generator
04/05/1989CN1032259A Method of protecting pressurized water nuclear reactor against failures in its emergency stop means
04/04/1989US4818475 Turbine-generator shaft-coupled auxiliary generators supplying short-duration electrical loads for an emergency coolant injection system
04/04/1989US4818184 Device for generating jet with electric field
03/1989
03/29/1989EP0308691A1 Modular nuclear reactor
03/23/1989DE3730789A1 Nuclear power station with a high-temperature reactor
03/15/1989EP0306725A1 Method to protect a pressurized-water reactor against emergency shutdown system failures
03/14/1989US4812286 Shroud tank and fill pipe for a boiling water nuclear reactor
03/07/1989US4810460 Nuclear boiling water reactor upper plenum with lateral throughpipes
02/1989
02/28/1989US4808369 Emergency core cooling apparatus
02/28/1989US4808080 Flow coupler assembly for double-pool-type reactor
02/09/1989WO1989001122A1 Heat-transfer wall composed of two plate-like parts
02/07/1989US4802531 Pump/intermediate heat exchanger assembly for a liquid metal reactor
01/1989
01/24/1989US4799538 Device for condensing steam under pressure and its application to the cooling of a nuclear reactor after an incident
01/17/1989CA1249080A1 Plant having a nuclear heating reactor
01/11/1989CN1030322A Nuclear power plant with a high temperature reactor located in a cylindrical prestressed concrete pressure vessel
01/04/1989EP0297513A2 Security device in a storage vessel for an emergency cooling installation of a nuclear power plant
01/03/1989US4795607 High-temperature reactor
12/1988
12/27/1988US4793964 Small natural circulation pressurized water nuclear reactor
12/27/1988US4793636 Apparatus for joining hoses with connecting pieces
11/1988
11/29/1988US4788032 Dividing walls at pipe level define circumferential volume; pressurized water
11/29/1988US4788031 Heat exchanger of metal liner and cooling pipes
11/29/1988CA1245718A1 System of generating electricity using a swimming pool type nuclear reactor
11/22/1988US4786463 With cirular and annular tube plates axially aligned
11/22/1988US4786462 Support structure for a nuclear reactor
11/22/1988US4786461 With stacks of belleville spring washers; movable plunger
11/15/1988US4784824 Emergency cooling device for a pressurized water nuclear reactor
11/08/1988US4783204 Apparatus and method for drying steam
11/08/1988US4782863 Removable shutter for an orifice accessible only through a narrow passage
11/03/1988DE3712893A1 Tank wall cooling for nuclear reactors
11/03/1988DE3712476C1 Device for preventing an unacceptably large pressure build-up in a gas-cooled nuclear reactor installed in a prestressed-concrete pressure vessel
11/01/1988US4781885 Nuclear reactor fuel assembly
10/1988
10/25/1988US4780270 Passive shut-down heat removal system
10/11/1988US4777013 Nuclear reactor, in particular a high-temperature reactor
10/04/1988US4775298 For generating a magnetic field travelling in circumferential direction
09/1988
09/27/1988US4773826 Pump
09/15/1988DE3707379A1 Hot-gas plenum for a gas-cooled high-temperature reactor
09/07/1988EP0281259A2 Nuclear reactor installations
08/1988
08/30/1988US4767594 With line from cold pool which will permit flow if pumps fail
08/23/1988US4765948 Coolant circulation system for a liquid metal nuclear reactor
08/23/1988US4765946 Intrinsically safe emergency cooling device for a pressurized-water nuclear reactor
08/17/1988CN88100502A 核电站 Nuclear power plant
08/16/1988US4764339 High flux reactor
08/09/1988US4762667 Radial flow plenum providing a path for natural circulation
08/02/1988US4761260 Nuclear power plant with a high temperature reactor located in a cylindrical prestressed concrete pressure vessel
07/1988
07/27/1988EP0275873A1 Cooled water rod (Loca conditions)
07/26/1988US4759904 Pressurized water reactor having improved calandria assembly
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