Patents
Patents for G21D 1 - Details of nuclear power plant (1,904)
09/1993
09/09/1993DE4206661A1 Sicherheitseinrichtung gegen ueberdruckversagen eines kernreaktor-druckbehaelters Safety device against over pressure failure of a nuclear reactor-druckbehaelters
09/08/1993EP0558873A1 Installation for the separation of aerosols contained in the air from a nuclear reactor containment
09/08/1993CN1076051A Pressurized water reactor plant
09/01/1993EP0557930A1 Device for electrochemical measurements in aqueous liquids
08/1993
08/24/1993US5239564 Process for dismantling an irradiated component of a nuclear reactor by the cutting of its wall
07/1993
07/20/1993US5228836 Runner for a pump
07/13/1993US5227605 Process for laser working in a tube, and working head for carrying out such process
07/13/1993US5227127 Filtered venting system for reactor containment vessel of nuclear power plant
06/1993
06/29/1993US5223208 Nuclear power generation system and its construction method
06/09/1993EP0545800A1 Trapping device for foreign objects in a secondary loop of a steam generator
06/09/1993CN1073032A U-shaped tube heat exchanger with anti-loose supporting unit
06/09/1993CN1073031A Capturer of moving bodies in secondary circulating loop of steam boiler
06/02/1993EP0544579A1 U-tube heat exchanger with anti-blow-out supporting device
06/01/1993US5215829 Adaptation to withstand internal pressure by absorbing stress; temperature differential; generating stress; pressurization; depressurization; high pressure pipes in nuclear power plants
05/1993
05/28/1993CA2083578A1 Heat exchanger having u tubes equipped with an anti-fly-off support vehicle device
05/25/1993US5213065 Steam generator feedwater distribution system
05/13/1993WO1993009542A1 Vent assembly
05/05/1993EP0540201A1 Method of controlling Co-60 radiation contamination of structure surfaces of cooling water circuits of nuclear reactors
04/1993
04/27/1993US5205352 Heat exchanger for condensing vapor into liquid phase, power generating plant using the heat exchanger and absorption refrigerator using the heat exchanger
04/27/1993US5205038 Method of replacing a tube on a straight-tube heat exchanger
04/13/1993US5201161 Nuclear power plant construction method
04/07/1993EP0536053A1 Individually making method of heat exchanger tubes
04/06/1993US5199264 Steam operated turbine-generator installations
04/03/1993CA2079559A1 Individual identification process for the tubes of a heat exchanger
03/1993
03/30/1993US5198037 Method for unclogging a pipe carrying dangerous substances
03/24/1993CN1070261A Individual identification process for tubes of heat exchanger
03/17/1993EP0532181A1 Steam generator feedwater distribution system
03/04/1993WO1993004483A1 Equalizing reservoir arrangement, especially for the cooling circuits in nuclear power stations
03/03/1993EP0529886A1 Method of dismanteling a nuclear reactor
02/1993
02/24/1993EP0528620A1 Method of inhibiting cobalt release in nuclear reactor coolant water
02/17/1993EP0527357A1 Method for primary coolant treating of a pressurized water reactor
02/17/1993EP0527356A1 Method for treating the primary coolant of a pressurized water reactor
02/03/1993EP0526120A1 Sliding lance guide flexible lance system
02/03/1993EP0525713A1 Method for remote intervention on a site, such as a damaged nuclear power plant
02/02/1993US5183625 Removable platform for working inside a casing of a pressurizer of a pressurized-water nuclear reactor
01/1993
01/26/1993US5182429 System and method for laser welding the inner surface of a tube
12/1992
12/30/1992EP0520847A1 Process for working with a laser in a contaminated zone of a nuclear power plant and device for carrying out the process
12/27/1992CA2070265A1 Laser processing within contaminated zones of a nuclear plant, and equipment therefore
12/22/1992US5173250 Apparatus for demolishing biological shield wall of a nuclear reactor and a method of demolishing the same
12/22/1992CA1311669C Nickel-base alloy heat treatment
12/16/1992CN1067133A Emergency reactor coolant accumulator
12/15/1992US5171953 Welding device for the replacement of a heating rod of a pressurizer of a pressurized-water nuclear reactor
12/15/1992US5171519 Outside of containment chemical decontamination system for nuclear reactor primary systems
12/15/1992US5171514 Nozzle dam having a unitary plug
12/09/1992EP0517450A1 Propellant actuated nuclear reactor steam depressurization valve
12/01/1992US5167907 Process for plugging a tube of a straight-tube heat exchanger
11/1992
11/25/1992EP0515173A1 Improved system and method for user welding the inner surface of a tube
11/19/1992EP0514089A1 Method for reducing corrosion of components exposed to high-temperature water
11/12/1992DE4114951A1 Loosening and removal of iron oxide from metal surface esp. vessel or pipe - comprises using alkali poly:amino-carboxylate, reducing agent and buffer to bind alkali ions
10/1992
10/28/1992EP0511035A1 Device for thermal electric and nuclear power plants
10/28/1992EP0511016A1 Emergency coolant accumulator for nuclear reactor
10/21/1992EP0509923A1 Pressurized water nuclear reactor comprising a primary coolant draining system with an intrinsic determined low water level safety
10/13/1992US5154876 Propellant actuated nuclear reactor steam depressurization valve
10/06/1992US5152253 For supporting a heat exchanger vessel
08/1992
08/26/1992EP0500404A1 Process and device for dismantling internal equipments of a water-cooled nuclear reactor
08/18/1992US5139732 Process and a device for extracting a heating rod having deformations from a pressurizer casing of a pressurized-water nuclear reactor
08/12/1992CA2060955A1 Steam operated turbine-generator installations
08/05/1992EP0497634A1 Apparatus for sealing a conduit
08/05/1992EP0497033A1 System for supporting a vessel
08/04/1992US5135709 Method for reducing corrosion of components exposed to high-temperature water
07/1992
07/29/1992CA2052360A1 Vessel structural support system
07/22/1992EP0495103A1 Atomic power generation system and its construction method
07/14/1992US5130081 Protective coating of noble metal to prevent stress cracking, oxide film
07/14/1992US5130080 Method of providing extended life expectancy for components of boiling water reactors
07/01/1992EP0493312A1 Impeller for pumping hot fluids in nuclear reactors
06/1992
06/30/1992CA1304232C Utilization system of heavy water heat in nuclear reactor
06/09/1992US5120490 Liquid filling method for a high-temperature and high-pressure vessel and apparatus therefor
06/02/1992US5118916 Cable mounting and removal in fluid flow environment
06/02/1992US5118466 Nuclear reactor coolant pump with internal self-cooling arrangement
05/1992
05/27/1992EP0487253A1 Apparatus for inspecting a tube plug
05/20/1992EP0486228A1 Cable mounting and removal in fluid flow environment
05/19/1992US5114667 High temperature reactor having an improved fluid coolant circulation system
05/13/1992EP0484768A1 Thermal fatigue prevention apparatus for high temperature pump
04/1992
04/28/1992US5108697 Inhibiting stress corrosion cracking in the primary coolant circuit of a nuclear reactor
04/22/1992CN1060550A Converging spout outlet nozzle on offset pump casing
04/22/1992CN1060424A Process and device for laser working with remote control
04/15/1992EP0480783A1 Procedure and device for laser machining with distant control
04/08/1992EP0479532A1 Converging spout outlet nozzle on an offset pump casing
03/1992
03/31/1992US5100610 Tube plug inspection system
03/25/1992EP0477066A1 Method of replacing a tube of a heat exchanger and application of this method
03/25/1992EP0476563A2 Nuclear reactor installation with passive cooling
03/18/1992EP0475806A2 Laser-worktool, especially for the cleaning of a tube of a nuclear reactor
03/18/1992EP0475799A1 Method and device for extracting a deformed heater rod from a pressurizer container of a nuclear pressure water reactor
03/10/1992US5094809 Device for the obturation and retention of a sealed closure plug of a steam generator tube
03/10/1992US5094803 Steam generator
03/10/1992US5094801 Two piece pressurizer heater sleeve
03/05/1992WO1992003828A1 Atomic power generation system and its construction method
03/05/1992DE4027922A1 Nuclear reactor disposal esp. for out-of-control reactors - by sinking reactor into deep cavern blasted below reactor foundations
02/1992
02/18/1992US5089684 Tooling for working within a tubular element
02/18/1992US5089216 System for chemical decontamination of nuclear reactor primary systems
02/18/1992US5088451 Sludge removal system for removing sludge from heat exchangers
02/12/1992EP0470893A1 Process for sealing a tube of a heat exchanger with straight tubes and use of this process
01/1992
01/28/1992US5084236 Converging spout outlet nozzle on an offset pump casing
01/15/1992EP0466533A1 Process and device for dismantling an irradiated component of a nuclear reactor by cutting up its shell
12/1991
12/27/1991EP0338070A4 Treadable insulation system with lagging support
12/24/1991US5075071 Cleaning and excavating tool for control rod canopy seals
12/10/1991US5071318 Reactor coolant pump having improved dynamic secondary seal assembly
11/1991
11/21/1991EP0457682A1 Method of unblocking a pipe carrying dangerous products
10/1991
10/29/1991US5061433 Process for the replacement of a heating rod of a pressurizer of a pressurized-water nuclear reactor
10/29/1991US5061432 Apparatus for facilitating the servicing of inverted canned pump motors having limited access space and restricted access time especially in nuclear power plants
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