Patents for G21C 1 - Reactors (2,232)
07/1989
07/25/1989US4851181 Light water moderation type nuclear reactor
07/18/1989US4849157 Core barrel for a high-temperature nuclear reactor
07/18/1989CA1257715A1 Reactor with natural convection backup cooling system
06/1989
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
05/1989
05/16/1989US4830815 Isolation condenser with shutdown cooling system heat exchanger
05/09/1989US4828789 Reactor vessel head permanent shield
05/02/1989US4826652 Low capacity nuclear reactor housed underground in the cavity of a cylindrical pressure vessel
03/1989
03/29/1989EP0308691A1 Modular nuclear reactor
03/28/1989US4816211 Nuclear excited power generation system
03/23/1989DE3730789A1 Nuclear power station with a high-temperature reactor
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
03/07/1989CA1250736A1 Method and device for connecting a submersible element to an enclosure under very high pressure
03/02/1989DE3727529A1 Swimming-pool nuclear reactor
02/1989
02/22/1989CN1031295A Nuclear reactors device for low capacity gas cooling and kind of this nuclear reactors
01/1989
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
01/03/1989US4795607 High-temperature reactor
12/1988
12/29/1988DE3718510A1 Method for generating nuclear heat of up to a maximum of 250@C
12/27/1988US4793964 Small natural circulation pressurized water nuclear reactor
12/06/1988US4789520 Fuel assembly and nuclear reactor
12/06/1988US4789519 Nuclear reactor plant
11/1988
11/29/1988US4788033 Upper and lower plates which support tubes enclosed in shell; transverse coolant flow protection in nuclear reactors
11/29/1988US4788032 Dividing walls at pipe level define circumferential volume; pressurized water
11/29/1988CA1245718A1 System of generating electricity using a swimming pool type nuclear reactor
11/24/1988DE3716267A1 Method for generating nuclear heat of up to a maximum of 250@C
11/22/1988US4786464 Transverse deflection plate suspended by spaced vertical elastic strips
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
10/1988
10/25/1988US4780272 Device for suspending a structure
10/25/1988US4780270 Passive shut-down heat removal system
10/18/1988US4778646 Gas cooled high temperature reactor charged with spherical fuel elements
10/11/1988US4777012 Enclosing the metal removal tubes with graphite and boron
10/11/1988US4777007 Internal blanket thicker in center; portion of core interposed between blankets
09/1988
09/27/1988US4773826 Pump
09/15/1988DE3707379A1 Hot-gas plenum for a gas-cooled high-temperature reactor
09/13/1988US4770840 Fuel assemblies having same configuration may contain fertile or depleted fuels
09/06/1988US4769209 Single discharge line to steam generator divided into two streams with coolant passing through; outlet nozzles with hermetically sealed pumps
08/1988
08/30/1988US4767594 With line from cold pool which will permit flow if pumps fail
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
08/02/1988US4761261 Nuclear reactor
08/02/1988US4761260 Nuclear power plant with a high temperature reactor located in a cylindrical prestressed concrete pressure vessel
07/1988
07/26/1988US4760264 Irradiator and method of using irradiator to irradiate
07/26/1988US4759904 Pressurized water reactor having improved calandria assembly
07/26/1988US4759899 Reactor with natural convection backup cooling system
07/26/1988US4759898 Fast neutron nuclear reactor having an improved core cover plug
07/26/1988US4759896 Method and apparatus for improving flux reduction factors
07/12/1988US4756879 Core cover plug of a liquid metal-cooled nuclear reactor
07/12/1988US4756876 Containment made of radiation absorbing material, pump, ultrafilter, heat exchanger, connector, heat insulating material in divided form
07/12/1988US4756873 Lower pressure vessel charged with primary gas, upper pressure vessel charged with protective gas, high temperature gas cooled reactor, turbine, recuperator, radiator, low and high pressure compressors, generator
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
06/1988
06/28/1988US4753773 Double tube steam generator
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
06/21/1988US4752438 Cluster guide with centering and antivibratory positioning device for nuclear reactors
06/15/1988CN87106875A Method and apparatus for taking ball fuel elements from ball reactors
06/07/1988US4749542 Removable check valve for use in a nuclear reactor
05/1988
05/24/1988CA1237202A1 Modular ultrafiltration device for the cooling liquid of a nuclear reactor
05/11/1988EP0266920A2 Nuclear reactor core restraint
05/11/1988EP0266591A2 Resiliently loaded lateral supports for cantilever-mounted rod guides of a pressurized water reactor
05/10/1988US4743424 Nuclear reactor installation
04/1988
04/27/1988EP0265311A1 Primary vessel cooling device of a liquid metal-cooled fast neutron reactor
04/21/1988DE3634766A1 Method and device for extracting spherical fuel elements from a pebble-bed reactor core
04/20/1988EP0263840A1 System for irradiating liquids with radioactive beams
04/13/1988EP0263308A2 Removable check valve for use in a nuclear reactor
04/12/1988US4737338 Nuclear reactor containing connecting means for connecting a reactor vessel and at least one receiver vessel
03/1988
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
03/23/1988CN85101411B Small integral pressurized water nuclear reactor
03/22/1988US4732729 Fast breeder reactor
03/22/1988US4732177 Hot gas container with insulation formed of overlapping ceramic bodies
03/08/1988US4729868 Vibration arrestor for rod guide support structure of the inner barrel assembly of a pressurized water reactor
03/02/1988EP0257905A2 An improved pump assembly for a nuclear reactor
03/02/1988EP0257337A1 Fuel assembly and nuclear reactor
03/01/1988US4728492 Wedge-shaped graphite blocks
03/01/1988US4728486 Pressurized water nuclear reactor pressure control system and method of operating same
03/01/1988US4728485 Method for regulating the pressure of the primary circuit during the shut-down phases of a pressurized water nuclear reactor
03/01/1988US4728480 Apparatus and method for refurbishing a spectral shift mechanism for a nuclear reactor fuel assembly
02/1988
02/17/1988CN87105267A Fuel composition and nuclear reactor
02/16/1988US4725400 Nuclear reactor plant housed in a steel pressure vessel, with a gas cooled, small high temperature reactor
02/11/1988DE3626717A1 Steam generator composed of a plurality of subsystems and heated by the gas coolant of a HT small reactor
01/1988
01/20/1988CN87102541A Pressurized water reactor having improved calandria assembly
01/05/1988US4717532 Two-stage sparger in pressurizer relief tank
12/1987
12/29/1987US4716012 Prevents debris from lodging in gap between lower core support and lower head of pressure vessel
12/23/1987DE3620672A1 Dual-cycle nuclear reactor
12/22/1987US4714584 For pressurized water reactor
12/15/1987US4713213 Nuclear reactor plant housed in a steel pressure vessel with a gas cooled small high temperature reactor
12/15/1987US4713211 High temperature pebble bed reactor and process for shut-down
12/08/1987US4711760 Nuclear reactor incorporating locking device for threaded bolt connections
12/03/1987DE3618481A1 Method for optimising passive safety in the operation of a nuclear reactor
11/1987
11/25/1987EP0246969A1 Small pressurized-water nuclear reactor with natural circulation
11/25/1987CN87102816A Apparatus exposure to radiation fluid by radioactive rays
11/17/1987US4707327 Container system for a high-temperature nuclear reactor
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