Patents
Patents for G21D 3 - Control of nuclear power plant (1,612)
12/1987
12/29/1987US4716009 Monitoring negative flux rate; inhibiting shutdown
12/08/1987US4711753 Calibration of a nuclear reactor core parameter predictor
12/03/1987DE3618162A1 Monitoring of nuclear power stations
11/1987
11/17/1987US4707324 Controlling the response of a pressurized water reactor to rapid fluctuations in load
10/1987
10/14/1987EP0241301A2 Axial power distribution monitor and display using outputs from ex-core detectors and thermocouples
10/13/1987CA1227985A1 Method of and apparatus for controlling steam vent volume of moisture separator reheaters
10/06/1987US4698202 Process for installation for the controlled discharge of activity from a reactor containment structure of a gas-cooled nuclear power plant
09/1987
09/29/1987US4697093 Testable, fault-tolerant power interface circuit for controlling plant process equipment
09/29/1987US4696785 Testable voted logic power circuit and method of testing the same
09/23/1987EP0238299A2 Calibration of a nuclear reactor core parameter predictor
09/22/1987US4694693 Check valve test method using truncated accumulator blowdown
09/08/1987US4692297 Control of nuclear reactor power plant on occurrence of rupture in coolant tubes
08/1987
08/26/1987EP0233564A2 Device for eliminating hydrogen
08/18/1987US4687623 Self-compensating voted logic power interface with tester
07/1987
07/28/1987US4683105 Testable, fault-tolerant power interface circuit for normally de-energized loads
07/15/1987EP0228857A2 Dropped control rod protection insensitive to large load loss
07/07/1987US4678622 Comparing neutron density
06/1987
06/23/1987US4675147 Generating an integrated graphic display of the safety status of a complex process plant
06/16/1987US4673546 Protecitve device for valves and pipes
06/09/1987US4671925 Method for operating a nuclear reactor
06/02/1987CA1222580A1 Power plant
05/1987
05/27/1987EP0223461A1 Testable voted logic power interface
05/27/1987CN86106640A Apparatus for burning gases containing hydrogen and for cooling combustion gases
05/13/1987EP0221775A1 Testable voted logic power circuit and method of testing the same
05/12/1987US4664877 Passive depressurization system
05/12/1987US4664870 Testable voted logic power interface
04/1987
04/28/1987US4661310 Pulsed multichannel protection system with saturable core magnetic logic units
04/14/1987US4657727 Fission product barrier emergency event classification and response system
04/08/1987EP0217377A2 Apparatus for burning gases containing hydrogen and for cooling resulting combustion gases
03/1987
03/31/1987US4654190 Emergency feedwater system for steam generators of a nuclear power plant
03/31/1987US4654186 Device for determination of the power of a pressurized water nuclear reactor
03/24/1987US4651530 Method and apparatus for feed-water control in a steam generating plant
03/04/1987EP0212949A2 Pressurized water nuclear reactor pressure control system and method of operating same
03/04/1987EP0212525A2 Transient monitor for nuclear reactor
03/03/1987US4647421 Load follow-up system with load variation
12/1986
12/30/1986US4632802 Nuclear plant safety evaluation system
12/30/1986EP0205900A2 Pressure control system for a pressurized water nuclear reactor plant
12/23/1986US4631164 Enclosing activity carrying components; targeted oxidation of free hydrogen
11/1986
11/04/1986US4620566 Device for protecting a container containing a pressurized fluid
10/1986
10/28/1986CA1213380A1 Operation control method for nuclear reactor
10/07/1986CA1212488A1 Generating an integrated graphic display of the safety status of a complex process plant
09/1986
09/16/1986US4612158 Pressure equalization
09/10/1986EP0193735A1 Method and device for protecting steam generators, especially in nuclear power plants
09/02/1986US4609523 Passive pH adjustment of nuclear reactor containment flood water
08/1986
08/27/1986EP0192027A1 Testable, "fault-tolerant" power interface circuit for controlling plant process equipment
08/27/1986CN85109748A Distributed microprocessor based sensor signal processing system for a complex process
08/12/1986US4605530 Scramming control rods in accord with type of power failure
07/1986
07/30/1986EP0188918A1 Controlling the response of a pressurized water reactor to rapid fluctuations in load.
07/16/1986CN85108160A Preventing the overpressurization in a pwr in the event of loss of main feedwate
06/1986
06/25/1986EP0185455A1 Method of controlling a PWR so as to prevent overpressurization in the event of feedwater loss
06/10/1986CA1205926A1 Device for protecting a container containing a pressurized fluid
05/1986
05/07/1986EP0180085A2 Distributed microprocessor based sensor signal processing system for a complex process
05/06/1986US4587077 Safety actuator release device
04/1986
04/29/1986US4585609 Gathering and analyzing parameters; safety
04/22/1986US4584164 Valve control for low temperature overpressure protection in a nuclear power plant
04/15/1986US4582672 Detyecting boron dilution events; neutron flux count rate signal
04/15/1986US4582669 Xenon suppression in a nuclear fueled electric power generation system
02/1986
02/05/1986EP0170033A1 Fluid moderator control system -D2O/H2O
01/1986
01/07/1986US4563746 Method of operating power plants
01/07/1986CA1199129A1 Control method and device for the ph level of the coolant in a pressurised water cooled nuclear reactor
11/1985
11/06/1985EP0160401A1 Loop seal assembly
10/1985
10/09/1985EP0157571A2 Emergency feedwater system for steam generators of a nuclear power plant
08/1985
08/14/1985EP0151531A2 Passive pH adjustment of nuclear reactor containment flood water
08/06/1985US4533514 Lowering oxygen concentration in coolant
08/06/1985CA1191400A1 Power generation
07/1985
07/30/1985CA1191231A1 Nuclear power plant feedwater controller design
06/1985
06/26/1985EP0146305A2 Controlling leaks between primary and secondary circuits of a steam generator of a pressurised water reactor system
06/19/1985EP0145262A2 Method for removing dissolved oxygen from aqueous media
06/19/1985EP0145188A2 Pulsed multichannel protection system with saturable core magnetic logic units
04/1985
04/16/1985CA1185691A1 Method and apparatus for automatic abnormal events monitor in operating plants
04/03/1985EP0135882A1 Process for operating a nuclear reactor
03/1985
03/19/1985US4505873 Method for regulating the power supplied to a steam turbine/pressurized water nuclear reactor
12/1984
12/27/1984CA1180133A Nuclear reactor power supply
12/11/1984US4487740 Procedure and equipment for injecting gas into liquids
12/05/1984EP0127498A1 Method of automatically regulating the soluble borium content in the cooling water of a pressurized-water reactor
12/04/1984US4486381 Power controlling apparatus for boiling water atomic reactor
11/1984
11/14/1984EP0125018A2 Generating an integrated graphic display
10/1984
10/23/1984US4478783 Nuclear power plant feedwater controller design
10/17/1984EP0122172A1 Device for fast and accurate power determination of a pressurised water nuclear reactor
10/17/1984EP0121897A2 Operation control method for nuclear reactor
09/1984
09/25/1984CA1175160A1 Spectral shift reactor control method
09/18/1984US4472345 Load control system for nuclear power plant
09/11/1984US4470948 Suppression of malfunction under water-solid conditions
08/1984
08/01/1984EP0114519A2 Controlling leakage between primary and secondary coolant circuits of a pressurised water reactor system
04/1984
04/03/1984US4440715 Method of controlling nuclear power plant
02/1984
02/28/1984US4434132 Power supply with nuclear reactor
02/22/1984EP0101242A2 Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit
02/21/1984US4432930 Operating a pressurized water nuclear reactor
01/1984
01/24/1984US4427620 Nuclear reactor power supply
01/10/1984CA1160367A1 Device for removing hydrogen gas from the containment of a nuclear reactor plant
01/04/1984EP0097488A1 Method for controlling a nuclear fueled electric power generating unit and interfacing the same with a load dispatching system
01/03/1984US4424186 Power generation
12/1983
12/20/1983US4421716 Safety monitoring and reactor transient interpreter
11/1983
11/23/1983EP0094884A1 Method and device for controlling the pH of the cooling water of a pressurized water nuclear reactor
08/1983
08/23/1983US4400343 System and method for controlling operation of boiling water reactor
08/16/1983US4399095 Protection and control system for a nuclear reactor
07/1983
07/20/1983EP0083776A2 Xenon suppression in a nuclear fuelled electric power generation system
07/13/1983EP0083546A1 Method for the surveillance of an electricity generating nuclear power plant
06/1983
06/29/1983EP0082411A1 Steam generator with a safety device against overpressure acting in steps
06/22/1983EP0082065A1 Triggering device for a safety activator
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