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| Number | Title | Issue Date |
| 8116421 | Apparatus for inspecting and testing startup range neutron monitoring system An apparatus for inspecting and testing a startup range neutron monitoring system for a nuclear reactor. The apparatus includes: a neutron-flux detector; a preamplifier that amplifies an electric signal output from the neutron-flux detector; a pulse measurement unit... | 02/14/2012 |
| 7437200 | Software based control system for nuclear reactor standby liquid control (SLC) logic processor A method and system is provided for a nuclear reactor safety related application. The method includes executing two forms of a same application-specific logic, one of the two forms implemented as hardware logic, and the other of the two forms implemented as software... | 10/14/2008 |
| 7386086 | Printed circuit card A nuclear reactor plant protection system printed circuit card comprises a first logic device having a number of basic logic circuits, and a second logic device operatively connected with the first logic device for testing the number of basic logic circuits without ... | 06/10/2008 |
| 7366273 | Method of determining margins to operating limits for nuclear reactor operation In a method of determining an operating margin to a given operating limit in a nuclear reactor, operational plant data from an on-line nuclear reactor plant is accessed, and reactor operation is simulated off-line using the operational plant data to generate predict... | 04/29/2008 |
| 7355982 | Subscriber line terminal device and loopback test method The present invention provides a subscriber line terminal device, which enables identification of the cause of abnormality when abnormality is detected in remote monitoring of a subscriber line terminating device connected to the terminal device via an optical fiber... | 04/08/2008 |
| 7340387 | Control rod driving simulator for verification of control rod driving mechanism control system of atomic power plant A control rod driving simulator has a control rod driving unit having a plurality of coil members vertically mounted therein, a control rod mounted vertically movably through the centers of the coil members, a cart having a reserve tank storing cooling water, a cool... | 03/04/2008 |
| 7280946 | Method and arrangement for determining pin enrichments in fuel bundle of nuclear reactor A method and arrangement of determining pin enrichments for a fuel bundle of a nuclear reactor, where a plurality of input parameters and target conditions may be input and enrichment changes, to be made across the fuel bundle, may be calculated using response matri... | 10/09/2007 |
| 7272531 | Aggregation of asset use indices within a process plant A method of monitoring an entity within a process plant wherein the entity includes a plurality of lower level entities, includes acquiring a plurality of use indices, acquiring a plurality of weighting values, and creating an aggregate use index from a combination ... | 09/18/2007 |
| 7266764 | Graphical user interface for automated process control A process control system that automatically monitors processes and performs activities based on conditions detected during monitoring. The information needed to do the monitoring and perform activities is contained in tables in a database system. The process control... | 09/04/2007 |
| 7257509 | Measuring device with functional units controllable via a block diagram A measuring device, in particular a signal generator, comprises several functional units which may be connected to each other in various combinations, a control device which determines the connection and functions of the functional unites, and optical display device... | 08/14/2007 |
| 7233882 | Method and apparatus for monitoring process transitions A method for identifying modes and transitions during plant operation, wherein measured values of process variables are used to evaluate a current state of the process and its sections and subsections. An identified state of the plant is signaled and the plant is mo... | 06/19/2007 |
| 7231333 | Method and arrangement for developing core loading patterns in nuclear reactors In the method, a set of limits applicable to a core may be defined, and a test core loading pattern design, to be used for loading the core, may be determined based on the limits. Reactor operation on at least a subset of the core may be simulated to produce a plura... | 06/12/2007 |
| 7221988 | Creation and display of indices within a process plant A process control system uses an asset utilization expert to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance f... | 05/22/2007 |
| 7206646 | Method and apparatus for performing a function in a plant using process performance monitoring with process equipment monitoring and control A process control system uses a data collection and distribution system and an asset utilization suite to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the proces... | 04/17/2007 |
| 7203930 | Graphical interface system monitor providing error notification message with modifiable indication of severity An interface is provided between a running computer application and a system monitor. The system monitor handles notification messages generated by the computer application. The interface includes an import module to scan a source file, extract notification messages... | 04/10/2007 |
| 7200541 | Method and arrangement for determining nuclear reactor core designs In the method, a set of limits are defined and a reference core design is generated based on the limits, and includes an initial loading pattern of current fresh fuel bundles arranged in a plurality of fuel locations. A unique subset of fresh fuel bundles is selecte... | 04/03/2007 |
| 7165404 | Method for optimizing a large-scale industrial facility, especially a power plant The invention relates to a method for optimizing a large-scale industrial facility, especially a power plant, consisting of m subassemblies (BGj), wherein j=1(1)m) and wherein the following steps are successively carried out: comparing the parameters (KGj) of all su... | 01/23/2007 |
| 7158919 | Remote monitoring system A remote monitoring system including a sub-system, local to a nuclear power plant and a remote sub-system at an operations base. Process data is collected manually by a hand-held computer and automatically by instrumentation on the power plant. The data collected is... | 01/02/2007 |
| 7139355 | Method of operating a nuclear power plant at multiple power levels A method of operating a nuclear power plant includes determining and licensing a maximum power level at which the power plant can be operated subsequent to the beginning of a fuel cycle, and with the power plant being operated at less than its maximum power rating a... | 11/21/2006 |
| 7088255 | Health monitoring display system for a complex plant A single page enterprise wide level display provides a comprehensive readily understood representation of the overall health status of a complex plant. Color coded failure domains allow rapid intuitive recognition of component failure status. A three-tier hierarchy ... | 08/08/2006 |
| 7012517 | Damage control system for ships A damage control system for monitoring, suppressing and eliminating leakage damage, fire damage and/or ABC contamination after collisions, running aground, the effects of weapons, etc., has an automation and monitoring system for system failures, voltage outages and... | 03/14/2006 |
| 7000193 | Display to facilitate the monitoring of a complex process A display organized with the various components of a complex process represented by the rows, and selected parameters to be monitored listed in columns. The fields of the display which represent a particular “vital sign” for a particular component present two ty... | 02/14/2006 |
| 6928132 | Methods and apparatus for operating a system A method for operating a system having a plurality of modes and interlocks between the modes is provided. The method includes operating the system in a first mode and switching the system to a second mode without going to a standby mode. ... | 08/09/2005 |
| 6894662 | Photoelectric switch A multifunctional photoelectric switch comprises a display section for displaying a first display information and a second display information. The first display information includes a plurality of items concerning a threshold value and the second display informatio... | 05/17/2005 |
| 6873671 | Reactor manual control system In a boiling water reactor controlling each control rod hydraulically by driving a solenoid valve, the control system comprises an operation control means 41 having a duplicated data processing unit for generating sequence patterns based on the timing of the ... | 03/29/2005 |
| 6836523 | Radiation measurement device A radiation measurement device includes a radiation detector generating an analog signal containing pulse components, an A/D converter converting the analog signal into sampled data, an n-th power pulse discrimination unit calculating n-th power values of the sample... | 12/28/2004 |
| 6798859 | Branch amplifier card A branch amplifier card for a nuclear reactor control rod drive control system is provided. The control system includes a control processor, a plurality of transponder cards arranged in clusters with each cluster under the control of a branch amplifier card. The bra... | 09/28/2004 |
| 6710776 | Position finder, measuring apparatus with position finder, and measuring system A picture of a plan view of an area is displayed on a screen of a base unit of a measuring apparatus. The picture contains symbols for respective traps disposed in the displayed area. A bar code is assigned to each trap for identifying it. When the bar code on one t... | 03/23/2004 |
| 6680686 | Remote ionizing radiation detector A method and apparatus for the detection of radioactive material in an area is disclosed. The apparatus comprises a transmitter operatively arranged to transmit electromagnetic radiation, a receiver operatively arranged to measure an intensity of the elec... | 01/20/2004 |
| 6674825 | Determination of operating limit minimum critical power ratio A method and system for thermal-dynamic modeling and performance evaluation of a nuclear Boiling Water Reactor (BWR) core design is presented. Based on a predetermined generic transient bias and uncertainty distribution in the change in critical power rat... | 01/06/2004 |
| 6650722 | Hydraulic control unit transponder card A transponder card for a nuclear reactor control rod drive control system is provided. The control system includes a control processor and a plurality of electrical devices operationally coupled to the control processor. The transponder card is configured... | 11/18/2003 |
| 6636577 | Laser induced fluorescence water measurement system for nuclear reactors A water monitoring system for a nuclear reactor is provided. In an exemplary embodiment, the water monitoring system includes a fiber optic cable having a first end and a second end, with the first end configured to optically couple to the reactor cooling... | 10/21/2003 |
| 6608878 | Method and device for monitoring the power rise during startup of a nuclear reactor (diversitary excursion monitoring) A method and a device are provided for monitoring a power rise during startup of a nuclear reactor (diversitary excursion monitoring). In order to be able to shut down the reactor during startup in the event of prompt critical states, a power band situate... | 08/19/2003 |
| 6606367 | Device for measuring the drop time of control rods into the core of a nuclear reactor The measurement device comprises a real-time measurement-signal acquisition module (25) and means (23, 24) for connecting the cables for picking up the voltage from electrical windings for measuring the movement of the control rods to the acquisition modu... | 08/12/2003 |
| 6598029 | Bidding for energy supply with request for service An auction service is provided that stimulates competition between energy suppliers (i.e., electric power or natural gas). A bidding moderator (Moderator) receives bids from the competing suppliers of the rate each is willing to charge to particular end u... | 07/22/2003 |
| 6590952 | Reactor manual control system In a boiling water reactor controlling each control rod hydraulically by driving a solenoid valve, the control system comprises an operation control means 41 having a duplicated data processing unit for generating sequence patterns based on the timing of ... | 07/08/2003 |
| 6583618 | Remote magnetic field material analyzer and method The present invention provides an apparatus and method for measuring nonferrous electrical resistance measurement. The method includes providing a nonferrous material, inducing a magnetic field on the nonferrous material, measuring the remote magnetic fie... | 06/24/2003 |
| 6553090 | Control system of nuclear power plant, and control method thereof A method of controlling a nuclear power plant includes determining a first maximum linear heat generation rate and a first minimum critical power ratio by a core monitoring system, and determining a second maximum linear heat generation rate and a second ... | 04/22/2003 |
| 6526114 | Remote automated nuclear reactor jet pump diffuser inspection tool An inspection apparatus for inspecting welds in a nuclear reactor jet pump includes a probe subassembly rotatably and linearly movably coupled to a frame structure configured to attach to a top flange of the reactor pressure vessel. The probe subassembly ... | 02/25/2003 |
| 6516041 | Method and apparatus to eliminate confirmation switches and channel demultiplexer from soft control man-machine interface (MMI) A method and apparatus for controlling components in a component control system in a nuclear power plant includes an image processing system and display processor (IPS-DP) for issuing an encrypted command for a selected component in a component command sy... | 02/04/2003 |
