Patents
Patents for G21C 15 - Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants (3,086)
07/1988
07/26/1988US4759901 Nuclear reactor installation arranged in the cavity of a pressure vessel
07/26/1988US4759899 Reactor with natural convection backup cooling system
07/26/1988US4759898 Fast neutron nuclear reactor having an improved core cover plug
07/12/1988US4756879 Core cover plug of a liquid metal-cooled nuclear reactor
07/12/1988US4756872 Nuclear power station for a gas-cooled high temperature pebble bed reactor
07/05/1988US4755352 Thermodynamic system for converting heat produced by reactor to electricity
07/05/1988US4755349 Mechanism for anti-seismic connection between the pump base and the dome of a nuclear power station
07/05/1988US4755348 Cooled water rod (LOCA conditions)
06/1988
06/28/1988US4753774 Minimization of maldistribution of flow between mini-bundles
06/28/1988US4753773 Double tube steam generator
06/28/1988US4753771 Passive safety system for a pressurized water nuclear reactor
06/28/1988US4753576 Magnetofluidynamic generator for a flow coupler
06/22/1988EP0271890A1 Nuclear reactor
06/21/1988US4752441 Modular former for inner barrel assembly of pressurized water reactor
06/21/1988US4752439 Pressure vessel housing, heat exchangers, circulating blowers
06/08/1988EP0269847A1 Nuclear power plant with a security confinement
06/07/1988US4749542 Removable check valve for use in a nuclear reactor
04/1988
04/28/1988DE3643929C1 Arrangement for residual heat removal for high-temperature reactors
04/27/1988EP0265311A1 Primary vessel cooling device of a liquid metal-cooled fast neutron reactor
04/13/1988EP0263308A2 Removable check valve for use in a nuclear reactor
04/12/1988US4736613 Nuclear reactor fuel assembly mixing vane repair apparatus
04/06/1988CN87106445A Nuclear-powered apparatus
03/1988
03/30/1988EP0261544A1 Nuclear reactor fuel element
03/29/1988US4734248 Immersed in liquid metal coolant
03/24/1988DE3632506A1 Nuclear reactor moderated and cooled with water as the primary medium, in particular nuclear boiling-water heating reactor
03/22/1988US4732729 Fast breeder reactor
03/15/1988US4731220 Neutron reflector
03/15/1988US4730663 Passive cooling arrangement
03/08/1988US4729868 Vibration arrestor for rod guide support structure of the inner barrel assembly of a pressurized water reactor
03/02/1988EP0258131A1 Emergency cooling arrangement for fast neutron reactor
03/02/1988EP0257905A2 An improved pump assembly for a nuclear reactor
03/02/1988EP0257140A1 Nuclear reactor coolant pump impeller/shaft assembly
02/1988
02/16/1988US4725400 Nuclear reactor plant housed in a steel pressure vessel, with a gas cooled, small high temperature reactor
01/1988
01/21/1988DE3719062A1 Arrangement for cooling a nuclear power plant
01/20/1988CN87102541A Pressurized water reactor having improved calandria assembly
12/1987
12/23/1987EP0250345A1 Thermal contact with a high transfer modulus, and uses in cooling a structure exposed to an intense thermal flux
12/23/1987DE3620672A1 Dual-cycle nuclear reactor
12/17/1987WO1987007695A1 Thermal contact with high transfer coefficient and applications to the cooling of a structure subjected to an intense thermal flux
12/15/1987US4713213 Nuclear reactor plant housed in a steel pressure vessel with a gas cooled small high temperature reactor
11/1987
11/25/1987EP0246969A1 Small pressurized-water nuclear reactor with natural circulation
11/24/1987CA1229480A1 Ozone oxidation of deposits in cooling systems of nuclear reactors
11/19/1987EP0246143A1 Support device of a discharge chamber associated with a suspended pump of a nuclear reactor
10/1987
10/28/1987EP0242615A2 Improved multisectioned nozzle dam
10/27/1987US4702879 Nuclear reactor with passive safety system
10/22/1987DE3713140A1 Reaktorblock eines schnellen brueters zum abfuehren der restenergie des kerns durch natuerliche zirkulation Reactor block of a fast breeder reactor for removing the residual energy of the nucleus by natural circulation
10/21/1987EP0242068A2 Coolant pumping system for a nuclear reactor
10/20/1987US4701298 Low capacity nuclear reactor placed underground in the cavity of a cylindrical pressure vessel
10/14/1987EP0241345A1 Nuclear reactor using a flow guide in the upper internal structures
10/14/1987CN87103198A Nuclear reacter with guide in the upper inside structure
10/13/1987US4699754 Jet pump-drive system for heat removal
10/07/1987EP0240335A2 Pressurized water reactor having improved calandria assembly
10/06/1987US4698201 Heat exchanger equipped with emergency cooling means and fast neutron nuclear reactor incorporating such an exchanger
10/06/1987US4698199 Retractable duct connectors in a nuclear reactor
09/1987
09/29/1987US4696792 Nuclear reactor coolant recirculation
09/29/1987US4696791 Double-wall pressure vessel surrounded by heat sink
09/23/1987EP0238390A1 Internal equipment of a nuclear reactor having an elongated vessel
09/23/1987EP0238079A2 Emergency core cooling apparatus
09/22/1987US4694693 Check valve test method using truncated accumulator blowdown
09/16/1987CN87101686A Nuclear reactor having a longitudinally elongated vessel
09/09/1987EP0235896A1 Electromagnetic flow coupler for regulating flow rate/pressure
09/02/1987EP0234728A2 A gas circulator for a nuclear reactor and a method for use thereof
09/02/1987EP0234566A2 Emergency nuclearreactor core cooling structure
09/02/1987CN87100468A Concrete pressure shell for nuclear reactor vessel with low power gas cooling system
09/01/1987US4690612 Nuclear reactor coolant pump impeller/shaft assembly
08/1987
08/27/1987DE3606179A1 Thermally insulated gas duct
08/25/1987US4689194 Nuclear reactor plant with a small high temperature reactor operating with spherical fuel elements
08/25/1987US4688996 Electromagnetic flow coupler for regulating flow rate/pressure
08/19/1987EP0232991A2 Liquid metal cooled nuclear reactors
08/18/1987US4687626 Passive safety device for emergency steam dump and heat removal for steam generators in nuclear power reactors
08/12/1987EP0232186A2 Passive safety system for a pressurized water nuclear reactor
08/12/1987EP0231633A2 Inherently safe, modular, high-temperature gas-cooled reactor system
08/06/1987DE3602715A1 Edge connector of a steel liner of a vessel subjected to internal pressure
07/1987
07/28/1987US4683111 Gas circulator for a nuclear reactor and a method for use thereof
07/23/1987DE3601842A1 Nuclear reactor
07/22/1987EP0229705A2 Rod guide support structure of the inner barrel assembly of a pressurized water reactor
07/16/1987DE3600645A1 Device for reducing the MHD pressure drop in thick-walled channels
07/15/1987EP0228929A1 Device for the antiseismic connection between the lower pump shaft and the sphere of a nuclear reactor
07/15/1987EP0228722A2 Double tube steam generator
07/07/1987US4678626 Radiant vessel auxiliary cooling system
07/07/1987US4678623 Modular head assembly and method of retrofitting existing nuclear reactor facilities
07/01/1987EP0227493A1 Fast neutrons nuclear-reactor comprising a core closure plug
06/1987
06/24/1987EP0226194A2 Connection device for pipes with connectors
06/23/1987US4675154 Flexible mounting member, avoiding excessive side forces on fuel rod spacers
06/23/1987US4675152 Parallel rods
06/23/1987US4675149 Boiling water nuclear reactors, securing pressure sensor lines
06/10/1987EP0225088A1 Pressurized-water nuclear reactor inner barrel assembly
06/10/1987EP0224728A1 Boiling water nuclear reactor fuel assembly
06/09/1987US4671922 Nuclear reactor cooled by a liquid metal
06/02/1987CA1222580A1 Power plant
05/1987
05/26/1987US4668467 Passive means to conduct and recover coolant from reservoir and reactor
05/19/1987US4666662 Two separate recirculation loops
05/19/1987US4666661 Means for cooling a heat-generating device
05/12/1987US4664879 Guide tube flow restrictor
05/12/1987US4664877 Passive depressurization system
05/12/1987US4664876 Core support being held by reactor wall
05/05/1987US4663116 Cooling water circulation system
04/1987
04/30/1987DE3538301A1 Recooling apparatus for a liquid-metal-cooled nuclear reactor
04/07/1987US4656001 Device for the homogeneous mixing of liquids flowing at different temperatures
03/1987
03/31/1987US4654190 Emergency feedwater system for steam generators of a nuclear power plant
03/31/1987US4654185 Seals, plates, aperatures, reinforcement, calandria, deep beam head
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