Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8132398 | Apparatus and method of operating a gas turbine engine at start-up A method of operating a gas turbine engine having a turbine and a compressor connected via a shaft, a main fuel supply line for supplying fuel to a combustor that is positioned to release expanding hot gases to the turbine, the engine further including a starter/gen... | 03/13/2012 |
| 8104258 | Fuel control system with metering purge valve for dual fuel turbine The fuel system of a dual fuel turbine includes a flow control valve having a metering purge valve that in one state directly meters fuel to injectors of the turbine, in another state closes of fuel flow and passes purge air to the injectors and in another state pos... | 01/31/2012 |
| 8061118 | Method for tuning valves for primary and secondary fuel circuit A method for adjusting fuel flow to individual combustion chambers in a gas turbine having fuel nozzles for each combustion chamber, manifolds for supplying fuel to at least one fuel nozzle in each combustion chamber, wherein the manifolds have flow metering devices... | 11/22/2011 |
| 8061117 | Dynamic control system to implement homogenous mixing of diluent and fuel to enable gas turbine combustion systems to reach and maintain low emission levels System, methods and apparatus for dynamic control of mixing of diluent and fuel at desired diluent-to-fuel ratios to obtain low level of undesirable emissions in a combustion system are described. ... | 11/22/2011 |
| 8056317 | Apparatus and system for gas turbine engine control Methods and systems for controlling a dynamic response in a gas turbine fuel control system are provided. The control system includes a component model adapted to regulate a fuel supply pressure for a gas turbine, a pressure sensor adapted to sense a pressure of fue... | 11/15/2011 |
| 8028512 | Active combustion control for a turbine engine A combustion control system for a turbine engine is disclosed. The combustion control system includes a fuel injector having a main fuel supply and pilot fuel supply coupled to a combustor of the turbine engine. The combustion control system also includes a sensor c... | 10/04/2011 |
| 8015791 | Fuel control system for gas turbine and feed forward control method A fuel controller for a combustion system in a gas turbine having a combustion system, a fuel supply, a pressure control valve proximate the combustion system and a first pressure sensor proximate the pressure control valve, the fuel controller including: a proporti... | 09/13/2011 |
| 8001761 | Method and apparatus for actively controlling fuel flow to a mixer assembly of a gas turbine engine combustor An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interi... | 08/23/2011 |
| 7966802 | Methods and apparatus for operating gas turbine engine systems Methods and systems for operating a gas turbine engine system are provided. The system includes a fuel control system. The fuel control system includes a plurality of sensors positioned about the gas turbine engine system and configured to measure at least one param... | 06/28/2011 |
| 7966801 | Apparatus and method for gas turbine active combustion control system An Active Combustion Control System and method provides for monitoring combustor pressure and modulating fuel to a gas turbine combustor to prevent combustion dynamics and/or flame extinguishments. The system includes an actuator, wherein the actuator periodically i... | 06/28/2011 |
| 7895819 | Assistance and emergency backup for the electrical drive of a fuel pump in a turbine engine A system for driving a fuel pump in a turbine engine is disclosed. The system includes an electric motor and a fluid flow assistance unit controlled by a control valve. In the system, the control valve is a regulator valve the opening of which is controlled as a fun... | 03/01/2011 |
| 7877979 | Integrated gasification combined cycle plant, method of controlling the plant, and method of producing fuel gas A combined power generation unit includes a gasification unit with a gasification furnace that is used to produce fuel gas, and a gas turbine that uses the fuel gas to generate power. To produce the fuel gas required in the combined power generation unit according t... | 02/01/2011 |
| 7854110 | Integrated fuel gas characterization system A gas turbine engine that includes a compressor, a combustion stage, a turbine assembly, a fuel gas feed system for supplying fuel gas to a combustion stage of the gas turbine, and an integrated fuel gas characterization system. The integrated fuel gas feed system c... | 12/21/2010 |
| 7841164 | Direct metering fuel system with an integral redundant motor pump A direct metering fuel supply system includes a plurality of axial gap motors, a fixed displacement, variable speed positive displacement piston pump, and a gas turbine engine control. Each axial gap motor is configured to be selectively energized and is operable, u... | 11/30/2010 |
| 7836676 | Fuel metering valve back-up position control system A system allows a user to manually manipulate fuel flow to a gas turbine engine during a loss of power to the fuel supply system fuel metering unit. The fuel metering unit includes a fuel metering valve, a metering valve actuator, a fail-fixed valve, a flow increase... | 11/23/2010 |
| 7832191 | Integrated gasification combined cycle and the control method A gasification unit provided with a gasification furnace 23 to produce fuel gas production is provided. A combined power generation unit 25 which generates power by rotating a gas turbine and a steam turbine using fuel gas produced in the gasification ... | 11/16/2010 |
| 7810309 | Fuel system utilizing dual mixing pump The present invention provides a fuel system for an engine including a water supply source for providing water and a fuel supply source for providing fuel. A centrifugal pump is fluidly connected to the water and fuel supply sources, respectively at water and fuel i... | 10/12/2010 |
| 7805922 | Fuel flow tuning for a stage of a gas turbine engine A method and system for controlling combustion in a gas turbine engine (10) includes reducing an overall fuel flow provided to a stage (22) of burners (e.g. 34, 35) of the gas turbine engine until reaching a predetermined dynamic operating condi... | 10/05/2010 |
| 7752833 | Methods and apparatus for gas turbine fuel control A method for reducing or eliminating oscillations in a gas turbine fuel control system includes utilizing an engine model to regulate a gas supply pressure for a gas turbine, sensing the pressure of gas actually supplied, and applying integral state feedback plus ga... | 07/13/2010 |
| 7707814 | Fuel-flow-rate control device for power generation system A fuel-flow-rate control device, a power generation system, and a fuel-flow-rate control method which can prevent overshooting of a gas turbine output (gas turbine inlet temperature) and which can improve power generation efficiency are provided. The fuel-flow-rate ... | 05/04/2010 |
| 7685802 | Methods and apparatus to facilitate gas turbine fuel control A method for controlling a dynamic response of a fuel control valve in a gas turbine fuel control system is provided. The method includes regulating a fuel supply pressure for a gas turbine using a component model, sensing a pressure of a fuel supply to the gas turb... | 03/30/2010 |
| 7644574 | Methods and systems for gas turbine engine control Methods and systems for controlling a dynamic response in a gas turbine fuel control system are provided. The control system includes a component model adapted to regulate a fuel supply pressure for a gas turbine, a pressure sensor adapted to sense a pressure of fue... | 01/12/2010 |
| 7640725 | Pilot fuel flow tuning for gas turbine combustors A method and system for controlling combustion in a gas turbine combustor (18) includes adjusting an amount of a premix fuel portion (30) of a pilot fuel (28) provided to a premix burner stage (48) of a pilot (46) of the gas turbin... | 01/05/2010 |
| 7624564 | Apparatus and method for providing an off-gas to a combustion system A fuel supply system and method thereof that utilizes an off-gas in addition to the primary fuel to lower the emissions of a gas turbine combustion system is disclosed. The fuel supply system apparatus comprises a fuel gas supply conduit and an off-gas supply condui... | 12/01/2009 |
| 7610746 | Combustion control device for gas turbine A combustion control device for a gas turbine is capable of determining respective fuel flow rate control valve position command values based on fuel ratios. The combustion control device for a gas turbine is configured to calculate fuel flow rate command values for... | 11/03/2009 |
| 7607285 | Four mode thermal recirculation throttle valve A thermal recirculation throttle valve (1) for an aircraft fuel system includes a housing (11) having a throttling valve chamber; a cover (5) operatively engaging a first side of the housing (11); a power piston (6) within a power ... | 10/27/2009 |
| 7600369 | Gas turbine load control device A gas turbine load control device includes load setting means, first bias setting means, second bias setting means, target output setting means, and so forth. The target output setting means sets up a target output by adding a positive side bias value to a load set ... | 10/13/2009 |
| 7596939 | Gas turbine apparatus A gas turbine apparatus has an air compressor for compressing air, a combustor capable of combusting the compressed air, a turbine rotatable by a gas discharged from the combustor, and a recuperator for exchanging heat between the air supplied from the air compresso... | 10/06/2009 |
| 7565792 | Fuel gas heating control equipment and gas turbine power generation facility provided with the fuel gas heating control equipment A fuel gas heating control equipment in accordance with the present invention is provided with a gain-determining portion 21 and a time-constant-determining portion 22 which determine values of a gain and a time constant to be used for PI calculations ... | 07/28/2009 |
| 7540141 | Smart fuel control system A fuel control system uses a fuel pump powered by a variable speed pump motor controlled by a closed loop electronic feedback system that tracks motor speed and corrects fuel pump motor speed so that the fuel pump delivers flow according to a desired flow schedule b... | 06/02/2009 |
| 7530216 | Control system for a gas turbine engine In a control system for a gas turbine engine, a degradation level of the gas turbine engine is estimated according to a deviation of an output of an internal temperature sensor when the engine is producing a target output at a target rotational speed from a prescrib... | 05/12/2009 |
| 7526911 | Gas turbine engine fuel system with fuel metering valve A gas turbine engine fuel metering valve is configured to move within an operating position range having a first end position for establishing a first fuel flow rate, a second end position for establishing a second fuel flow rate, and an intermediate position locate... | 05/05/2009 |
| 7513099 | Temperature measuring device and regulation of the temperature of hot gas of a gas turbine The invention relates to a regulation of the temperature of a hot gas of a gas turbine, particularly of a stationary gas turbine used for generating electricity, which comprises an injecting device for injecting a liquid into an airflow, which can be drawn into a co... | 04/07/2009 |
| 7484352 | Combustor for a gas turbine In a combustor (1) for a gas turbine, the combustor (1) includes a burner system (2) and a fuel supply system (3). The burner system (2) includes at least two burner groups (A, B) each with at least one burner (5). The fuel ... | 02/03/2009 |
| 7472540 | Method and device for compensating variations in fuel composition in a gas turbine system The invention relates to a method for compensating variations in fuel composition in a gas turbine system consisting of at least two parallel-operated burner stages, wherein the fuel supply to at least two of the burner stages is adjusted in response to variations i... | 01/06/2009 |
| 7441398 | NOx adjustment system for gas turbine combustors An embodiment may comprise a system for controlling NOx emissions from a turbine having combustion chambers. The system may comprise a center fuel flow and a plurality of outer fuel flows for each of a plurality of combustion chambers. An outer fuel flow is set to a... | 10/28/2008 |
| 7437871 | Automatic engine protection system for use when electronic parts of a control system are exposed to overtemperature conditions An automatic engine protection system for use when electronic parts of the control system are exposed to overtemperature conditions. A thermally sensitive component, such as an engine electronic control or an electronic overspeed control, is mounted on the engine. A... | 10/21/2008 |
| 7434403 | Method of operating a thermal power plant A method of operating a thermal power plant, such as a gas turbine power plant, in which a rotary unit, such as at least one gas turbine stage, is driven by burning gaseous fuel inside a combustion chamber, with hot gases being formed, the rotary energy of which rot... | 10/14/2008 |
| 7430868 | Method of operating a thermal power plant A method of operating a thermal power plant, such as a gas turbine power plant, in which a rotary unit, such as at least one gas turbine stage, is driven by burning gaseous fuel inside a combustion chamber, with hot gases being formed, the rotary energy of which rot... | 10/07/2008 |
| 7431569 | Pump health monitoring A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of: establishing a flow path having a known flow number between a high pressure outlet line of the pump (and a low pressure line of th... | 10/07/2008 |