Patents
Patents for G21D 1 - Details of nuclear power plant (1,904)
03/1987
03/04/1987EP0212949A2 Pressurized water nuclear reactor pressure control system and method of operating same
03/03/1987US4647425 Gas concentration reduced to residual low levels in less than two hours
02/1987
02/24/1987US4644906 Double tube helical coil steam generator
02/24/1987US4644780 Self-supporting pipe rupture and whip restraint
02/17/1987US4643767 Nuclear grade steels
02/17/1987US4643219 Valve for regulating the passage of a fluid
02/10/1987US4642300 Method for avoiding or reducing the interactions and their consequences from contact of hot liquid metallic sodium with concrete
01/1987
01/20/1987US4637294 Device for controlling the supply of fluid under pressure to a hydrauic circuit as a function of the state of locking of unlocking of two mechanical members
01/15/1987DE3521016A1 Sliding carriage for a screw-driving unit on a reactor head closure
12/1986
12/30/1986US4632068 Modular sludge collection system for a nuclear steam generator
12/16/1986US4629601 Easing stress strain condition of lugs supporting system
12/16/1986CA1215288A1 Device for controlling the flowrate of a fluid more particularly a radioactive fluid
11/1986
11/26/1986EP0202792A1 Apparatus for cutting the contaminated surface of concrete
11/20/1986EP0202198A1 Large-sized on-off valve of high throughput, particularly for vacuum systems and nuclear fusion installations and the like
11/12/1986EP0200989A2 Double tube helical coil steam generator
11/04/1986US4620566 Device for protecting a container containing a pressurized fluid
10/1986
10/29/1986EP0199179A1 Drain recovery system for condensate feedwater system of nuclear power plant
10/28/1986US4619809 Steam generation and reheat apparatus
09/1986
09/23/1986US4613253 Underwater discharge system
08/1986
08/26/1986US4607689 Reheating device of steam power plant
07/1986
07/22/1986US4601449 Electric pipe snubber
07/15/1986US4600554 For fast neutron reactors
07/15/1986US4600553 Reactor cavity
06/1986
06/17/1986US4595555 Reactor and storage tanks in sin&le building
06/17/1986US4594774 Machines for dismantling decommissioned nuclear reactors
06/10/1986CA1205926A1 Device for protecting a container containing a pressurized fluid
05/1986
05/20/1986US4589440 Device for controlling the flowrate of a fluidmore particularly a radioactive fluid
05/20/1986US4589375 Steam generator for a liquid metal-cooled reactor
05/13/1986US4588548 Pressurized water-type coolant system; means to reduce pressure
05/06/1986US4587082 Passage through the wall of a reinforced concrete pressure vessel
04/1986
04/30/1986EP0179572A1 Nuclear power system
04/29/1986US4585053 Heat exchanger for reactor core and the like
04/29/1986US4584802 Protective structure for the floor of a concrete enclosure having to contain a high temperature fluid
04/22/1986US4584164 Valve control for low temperature overpressure protection in a nuclear power plant
04/16/1986EP0178210A1 Liquid tank with a floating roof, such as a storage tank used in the electronuclear field
04/15/1986US4581955 Reactor coolant pump motor rotator
04/09/1986EP0177400A1 Liquid tank with a floating roof, such as a storage tank used in the electronuclear field
04/09/1986EP0177399A1 Liquid tank with a floating roof, such as a storage tank used in the electronuclear field
04/08/1986US4581200 Method and apparatus for removing hydrogen from secondary cooling systems of fast breeder reactors
04/08/1986US4580589 Safety device with bursting knife and diaphragm for limiting the pressure of a fluid
03/1986
03/18/1986US4576788 Straddle-type support structure for nuclear power plant pressurizer valves
03/05/1986EP0173602A1 Emergency heat exchanger for cooling the primary fluid of a nuclear reactor, and method of assembling this heat exchanger
01/1986
01/14/1986US4564499 Water flow
12/1985
12/04/1985EP0162956A2 Modular liquid metal nuclear reactor
11/1985
11/12/1985US4552210 Device for producing steam by heat exchange between a heat-transfer liquid metal and feed water
11/06/1985EP0160401A1 Loop seal assembly
10/1985
10/16/1985EP0158544A1 Process for replacing a sleeve inside a pipe, and devices for carrying out this process
10/02/1985EP0156550A2 Improvements in or relating to pipework
08/1985
08/28/1985EP0153225A2 Heat-exchanger with emergency cooling arrangements and fast nuclear reactor having such a heat-exchanger
08/07/1985EP0151056A2 Supporting device for a pipe whose thickness is small by comparison with the diameter
08/07/1985EP0150981A2 Method of vacuum degassing and refilling a reactor coolant system
08/06/1985US4533514 Lowering oxygen concentration in coolant
07/1985
07/31/1985EP0149677A1 Condensate feed apparatus for steam generator
07/30/1985CA1191231A1 Nuclear power plant feedwater controller design
07/17/1985EP0148434A1 Container for hot gases with an insulation lining made of overlapping appliances
07/09/1985US4527955 Electromagnetic pumps of the helical linear induction type
07/02/1985US4526626 Expanding chromium, nickel, cobalt alloy to aqueous solution containing iron and complex comprising ethylenediamine tetraacetic acid compound, heating
07/02/1985US4526005 Long-period thermal storage accumulators
05/1985
05/28/1985US4519978 Secondary heat transfer circuit for a nuclear reactor
05/08/1985EP0140652A1 Electric pipe snubber
04/1985
04/16/1985CA1185691A1 Method and apparatus for automatic abnormal events monitor in operating plants
04/10/1985EP0136321A1 Method for breaking up a thick wall container by using an explosion technique.
03/1985
03/20/1985EP0134664A1 Improvements in or relating to the ozone oxidation of deposits in cooling systems of nuclear reactors
02/1985
02/19/1985US4500487 Fluted region opposite crushable metal foam, liquid sodium used as coolant
12/1984
12/27/1984EP0129468A1 Method and apparatus for preheating a vessel and the internal structures of a liquid metal-cooled fast breeder reactor
12/25/1984US4490836 Shut-off valve
12/20/1984WO1984004952A1 Condensate feed apparatus for steam generator
11/1984
11/20/1984US4483790 Method of disposing of shut-down nuclear power plants
11/20/1984US4483457 Hinged steam generator nozzle plug
10/1984
10/30/1984CA1177045A1 Shut-off valve controlled by its own medium
10/24/1984EP0122851A1 Safety fracture diaphragm with a knife for limiting the pressure of a fluid
10/23/1984US4478783 Nuclear power plant feedwater controller design
10/17/1984EP0122190A1 Steam generator for a liquid metal-cooled reactor
10/10/1984EP0121416A2 Steam generation and reheat apparatus and methods
10/10/1984EP0121172A1 Hinged steam generator nozzle plug
10/03/1984EP0120773A1 Control apparatus for a liquid flow, in particular for a radioactive liquid
09/1984
09/18/1984US4471618 Nuclear power plant and method for the operation of such a power plant
09/13/1984WO1984003556A1 Method for breaking up a thick wall container by using an explosion technique
08/1984
08/01/1984EP0114545A1 Cooling system for a nuclear reactor cooled with a liquid metal
07/1984
07/17/1984US4460539 Device providing anti-seismic support for an apparatus immersed in the bath of liquid alkali metal surrounding a fast neutron nuclear reactor
06/1984
06/27/1984EP0112236A1 Connecting line between two fixed implements
06/05/1984US4452182 Sodium-water type steam generators
05/1984
05/15/1984US4448023 Pressure wave attenuating main steam line apparatus
05/02/1984EP0107297A2 An anti-corrosion treatment process
04/1984
04/18/1984EP0105800A1 Protection structure for the floor of a concrete enclosure
04/18/1984EP0105781A1 Secondary thermal carrier circuit for a liquid metal-cooled nuclear reactor, and steam generator for such a circuit
04/04/1984EP0104994A1 Secondary thermal carrier circuit for a liquid metal-cooled nuclear reactor
04/03/1984US4440715 Method of controlling nuclear power plant
01/1984
01/17/1984US4426350 Valve support arrangement for pressurizer in a nuclear power plant
01/10/1984CA1160367A1 Device for removing hydrogen gas from the containment of a nuclear reactor plant
12/1983
12/27/1983CA1159581A1 Nuclear boiler
12/21/1983EP0096205A1 Nuclear containment building penetrator
12/13/1983US4420456 Mounting of power conductor and instrument lead penetrations for nuclear reactor installations
11/1983
11/22/1983US4416409 Method for manufacturing a metal casing for gate valves used in nuclear reactors and the like
11/22/1983CA1157580A1 Pressurized water reactor
10/1983
10/25/1983CA1155819A1 Reel assembly for flexible tubing and the like
10/18/1983US4410486 Nuclear reactor with a liquid coolant
08/1983
08/23/1983US4400345 Nuclear boiler with concentric tubes and removable safety sleeve
08/23/1983US4399656 Long-period thermal storage accumulators
07/1983
07/20/1983EP0083965A2 Electromagnetic pumps of the helical linear induction type
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