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9021780 Energy extraction and transfer system for a gas turbine engine  
A gas turbine engine is provided having a variety of forms and features. The gas turbine engine can include a compressor having movable vanes. In one form of operation the compressor can close...
9003809 Power generation system and methods for monitoring operation of same  
A method of monitoring a power generation system that includes a steam turbine that is coupled to a gas turbine engine. The method includes calculating, by a control system, a gas turbine engine...
9008943 System and method for controlling a single-spool turboshaft engine  
One of a controllable load and a fuel flow to a single-spool turboshaft engine is controlled so that a rotational speed of a single-spool turboshaft engine is substantially regulated to a level...
8997499 Load rejection and recovery using a secondary fuel nozzle  
A system and way for controlling a gas turbine engine in the event of a partial or full load rejection from a generator is disclosed. Upon detection of a partial or full load rejection, the fuel...
8997452 Systems and methods for regulating fuel and reactive fluid supply in turbine engines  
A control system for use with a turbine engine that is configured to operate at a rated power output is provided. The control system includes a computing device that includes a processor that is...
8991148 Fuel feed device for aviation engine  
A jet pump (14) is inserted between the low-pressure pump and a high-pressure fuel pump (16). A fuel metering unit (20) includes a metering valve (22) which delivers a regulated fuel flow to a...
8991152 Aircraft engine fuel system  
An aircraft fuel system is provided and includes a metering valve having inlet and outlet sides to monitor fuel flow from the inlet to the outlet side, a check valve that, when opened, allows fuel...
8984856 Flexible fuel system  
An example fuel system includes a fuel sensor configured to sense at least one characteristic of a fuel provided to an engine. The fuel is selected from a plurality of different fuel types. The...
8966878 Gas turbine  
A compressor compresses air to produce compressed air. A mixture of fuel and the compressed air is combusted in a combustor to produce combustion gas. The combustion gas is supplied to a turbine...
8959920 Aircraft engine fuel pump bearing flow and associated system and method  
An assembly or system is provided for selectively regulating journal bearing lubrication between at least first and second levels in an aircraft engine. A high pressure pump includes movable...
8950420 Containment housing for a fuel control housing  
A containment housing includes a hexagonal portion configured to receive a linear variable differential transformer. The containment housing also includes a housing contact flange adjacent to the...
8950186 Speed card-controlled override fuel pump assist  
A system and method for supplementing fuel feed pressure and flow within an aircraft fuel system. The fuel system includes boost and override fuel pumps delivering fuel from the tanks to a fuel...
8925328 Gas turbine starting process  
A starting process for a gas turbine (28) that holds the turbine speed of rotation at an ignition speed setting during an ignition window (58), with the ignition speed setting being based on...
8919129 Low flow correction for gas turbine engine fuel valve characteristics  
A method for controlling a gas turbine engine fuel control valve during low flow conditions includes positioning the fuel control valve in an operating position. The method also includes...
8919094 Fuel metering system  
A fuel metering system includes a bypass valve configured to receive a fuel flow under a pressure P1, a pressure regulating valve in fluid communication with the bypass valve and configured to...
8915059 Fuel gas pressure control system and method for reducing gas turbine fuel supply pressure requirements  
A method is provided for modifying a fuel control system for a gas turbine having a standard unloading sequence and a pre-defined minimum inlet pressure requirement associated with the standard...
8904749 Inductively coupled plasma arc device  
The present invention provides an inductively coupled plasma device with a cylindrical vessel having a first end and a second end, wherein at least a portion of the cylindrical vessel is...
8904803 Exhaust temperature based threshold for control method and turbine  
A gas turbine, computer software and a method for controlling an operating point of the gas turbine that includes a compressor, a combustor and at least a turbine is provided. The method...
8904804 Overspeed protection apparatus for gas turbine engine  
In an overspeed protection apparatus for a gas turbine engine having a turbine rotated by combustion gas injected from a combustion chamber to drive a compressor, a fuel shutoff valve to shut off...
8899047 Gas turbine power plant having fuel heating means  
Provided is a power plant including a gas turbine that uses a fuel gas as a fuel; a fuel gas cooler that cools the fuel gas, which is to be pressurized in a fuel gas compressor and re-circulated,...
8893466 Dual pump fuel flow system for a gas turbine engine and method of controlling  
A fuel flow system for a gas turbine includes a first pump, a main fuel flow path and a second pump. The first pump is connected to an actuator and a metering valve. The main fuel flow path is...
8894408 Combustion apparatus  
A combustion apparatus includes a fuel supply line for providing an overall fuel supply to the apparatus; a burner including multiple fuel supply lines, the supply of fuel in the fuel supply lines...
8881529 Modular fuel supply device for a gas turbine including a fuel supply device having an integrated control device  
A gas turbine, in particular a gas turbine aircraft engine, including a fuel supply device and a control device, wherein at least parts of the control device, in particular of an engine control...
8850818 Systems and methods for gas fuel delivery with hydrocarbon removal utilizing active pressure control and dew point analysis  
Systems and methods for supplying fuel to a gas turbine are described. A fuel may be received, and one or more parameters associated with the received fuel may be determined. Based at least in...
8844292 Fuel system of gas turbine engines  
A method for purging fuel from a fuel system of a gas turbine engine on shutdown of the engine comprises, in one aspect, terminating a fuel supply to the fuel system and using the residual...
8833054 System, method and apparatus for lean combustion with plasma from an electrical arc  
The present invention provides a plasma arc torch that can be used for lean combustion. The plasma arc torch includes a cylindrical vessel, an electrode housing connected to the first end of the...
8820089 Exhaust temperature based mode control method for gas turbine and gas turbine  
Gas turbine, computer readable medium, and method for controlling an operating point of the gas turbine that includes a compressor, a combustor and a turbine is provided. The method includes...
8825342 System and method of protecting an engine and other aircraft components from damage that may otherwise occur from a fuel control unit failure  
The system for mitigating an overspeeding condition of a turbine engine can include a sensor for measuring an actual speed of a gas generator turbine of the turbine engine and a processor for...
8813472 System and method for controlling a semi-closed power cycle system  
A system includes a controller configured to control a semi-closed power cycle system. The controller is configured to receive at least one of a first signal indicative of an oxygen concentration...
8800296 Gas turbine control method and gas turbine power generating apparatus  
An object is to reduce a fluctuation in the gas-turbine output in a nozzle switching period. In the nozzle switching period during which a first nozzle group that has been used is switched to a...
8793971 Fuel pumping system for a gas turbine engine  
A fuel supply system for a gas turbine engine has a first pump for delivering fuel to a first use on a gas turbine engine, and a second pump for delivering fuel to a second use on the gas turbine...
8794008 Methods of operation of a gas turbine with improved part load emissions behavior  
In a method for the low-CO emissions part load operation of a gas turbine with sequential combustion, the air ratio (λ) of the operative burners (9) of the second combustor (15) is kept below a...
8789353 Fuel system  
A fuel system comprises a first, variable displacement fuel pump operable to supply fuel through a metering valve to an engine, a control servo operable to control the operation of the first pump,...
8776528 Method for operating a gas turbine plant with a compressor station for gaseous fuel  
The disclosure relates to a method for operating a gas turbine plant which is supplied with a fuel gas via a compressor station. The compressor station includes a compressor which compresses the...
8752387 Fuel control arrangement  
Fuel control arrangements for gas turbine engines generally comprise an injector and a fuel control valve. Typically the fuel control valve is controlled in terms of fuel demand through fuel...
8752363 Fuel flow control method and fuel flow control system of gas turbine combustor for humid air gas turbine  
Provided is a fuel flow control method of a gas turbine combustor provided in a humid air gas turbine, by which method NOx generation in the gas turbine combustor is restricted before and after...
8749085 Gas turbine control device and generating system  
Provided is a gas turbine control device that is used in a generating facility including a gas turbine and a generator for generating power when at least rotational power of the gas turbine is...
8739544 Staging valve arrangement and valve for use therein  
A staging valve arrangement is described that comprises an arrangement of electrically driven staging valves that are located, in use, in the high temperature core zone of an engine. Each staging...
8739811 Direct metering fuel system with constant servo flow  
A direct metering fuel supply system includes a fuel pump, a burn flow fuel line, a servo flow fuel line, and a servo regulator. The fuel pump is adapted receive pump commands representative of a...
8720201 Method of monitoring an electronic engine control (EEC) to detect a loss of fuel screen open area  
A method of sensing a reduction in fuel screen area in a fuel system. The method includes detecting an engine shutdown, initiating an electronic engine control (EEC) built in test, shifting a...
8720482 Fuel system  
A fuel metering unit (FMU) comprising a metering valve operable to control the supply of fuel to a delivery chamber of a pressure raising valve (PRV), the PRV including a valve member movable...
8707671 Fuel control method and fuel control apparatus for gas turbine and gas turbine  
A fuel control method for a gas turbine with a combustor being formed of at least two groups of a pluralities of main nozzles for supplying fuel, and that supplies fuel from the main nozzles of...
8701420 Gas turbine control method and device  
A gas turbine control device having a gas turbine control unit for the gas turbine operation control that computes adjustment increments regarding at least one of the airflow rate into the...
8701418 Late lean injection for fuel flexibility  
A gas turbine engine is provided and includes a combustor having a first interior in which a first fuel is combustible, the first fuel including natural gas and/or a blend of natural gas and...
8695321 Gas turbine control apparatus and control method for generating an electric motor torque instruction based on the detected exhaust gas temperature  
A control apparatus for controlling a compressor driven by a driving unit generating driving power by a gas turbine and an electric motor includes: a temperature detection section for detecting an...
8683808 Late lean injection control strategy  
A gas turbine engine is provided and includes a combustor having a first interior in which a first fuel supplied thereto by a fuel circuit is combustible, a turbine, a transition zone, including a...
8678814 Control system of an internal combustion engine  
Control and regulation system of a combustion unit (10) of the type comprising a combustion chamber (11) and a catalyst (40), the control and regulation system comprising: -an acquisition device...
8682616 Identifying failures in an aeroengine  
A method and a system for identifying failures in an aeroengine. The system includes: a mechanism defining a set of standardized indicators representative of operation of the aeroengine; a...
8671658 Oxidizing fuel  
A mixture of air and fuel is received into a reaction chamber of a gas turbine system. The fuel is oxidized in the reaction chamber, and a maximum temperature of the mixture in the reaction...
8656698 Flow controller and monitoring system  
A device and system for monitoring and controlling the flow media through a flow circuit, for example, the flow of coolant through a coolant circuit of a turbine engine fuel system, measures flow...