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Power Plants > Combustion Products Used As Motive Fluid > Combined With Regulation Of Power Output Feature > Automatic > Fuel FuelFuel patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/03/08 - 20080000214 - 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 for the fuel nozzles and a controller for ... 11/15/07 - 20070261384 - Engine health monitoring A method of monitoring the health of a gas turbine engine 10 comprising a fuel system 30 having a fuel metering valve 36 and a fuel pump 40 for supplying fuel to combustor apparatus 15. The method comprising the steps of; monitoring the fuel metering valve percentage open, detecting and ... 08/30/07 - 20070199301 - Gas turbine engine fuel control system having start / back up check valve (sbuc) providing a main fuel check valve function A fuel control system (10) for a gas turbine engine includes a main fuel inlet line (18), an auxiliary fuel inlet line (20) and an engine fuel outlet line (16). A first flow path extends from the main fuel inlet line (18) to the engine fuel outlet line (16) and ... 08/09/07 - 20070180813 - 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 located between the first and second end ... 08/09/07 - 20070180812 - Approach to extending life of gas turbine engine Apparatus and methods are disclosed for increasing lifetimes of components in a gas turbine engine. Ordinarily, components are replaced after they experience a certain number of thermal cycles, or a certain operating temperature limit is exceeded. Under one form of the invention, the components are not replaced at that time, ... 06/14/07 - 20070130911 - 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 based on the pressure ... 05/31/07 - 20070119147 - Active combustion control system for gas turbine engines A system is disclosed for actively controlling combustion in a gas turbine engine, which includes a fuel injector for issuing fuel into a combustion chamber of the gas turbine engine. The fuel injector has a dynamic pressure sensor for measuring acoustic pressure within the combustion chamber and a flame sensor ... 04/26/07 - 20070089395 - 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 respective types of fuel gas based on ... 03/08/07 - 20070051090 - Control logic for fuel controls on apus Conventional auxiliary power units (APUs) may experience over-temperature shutdowns when attempting to start them at high altitudes. Further, such conventional APUs may also experience overspeed conditions when a generator load is removed during on-speed operations. A fuel control logic that controls the fuel flow cutback below the minimum blowout fuel ... 03/08/07 - 20070051089 - Augmentor flow control with thermal recirculation function and method of thermal recirculation control using augmentor valves A fuel system for a gas turbine engine having at least one augmentor zone which fuel system includes a fuel pump (12) drawing fuel from a fuel tank (10) and pumping the fuel in a downstream direction, at least one fuel line (14) connecting the fuel pump (12) to the ... 01/04/07 - 20070000230 - Turbo machinery speed monitor This invention relates to a speed monitor apparatus for monitoring speed and acceleration of rotating turbine equipment (turbomachinery) and for operating an overspeed trip to shut down the equipment in the event that the speed or acceleration exceed predetermined thresholds. The invention provides a speed monitor module wherein the speed ... 10/12/06 - 20060225403 - 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 prescribed reference temperature, and ... 06/22/06 - 20060130455 - Fuel system A fuel control system for a staged combustion engine comprising, a fuel metering unit including a fuel metering valve having a fuel metering orifice the opening of which is varied to meter the flow of fuel through the metering valve in use, a fuel staging unit receiving fuel from the ... 03/30/06 - 20060064959 - Device for indicating a residual power margin of aircraft turbine engines A device for indicating a residual power margin of aircraft turbine engines includes a measuring stage associated with at least one turbine engine of an aircraft to measure a number of first parameters related to a power output of the engine; a calculating unit associated with the measuring unit to ... 02/09/06 - 20060026947 - Regulator feeding control with two flow rate laws Hydromechanical regulator for controlling the flow of fuel injected into a turbomachine by means of a fuel feed unit (10), comprising a tachometric balance (20) having a beam consisting of two arms (24, 26), which beam can move about a pivot pin (22) under the action of at least a ... 02/02/06 - 20060021324 - System and method to reduce fuel system pumping heat input The present invention discloses a relatively simple system and method to reduce fuel system pumping by automatically turning on and off servo flow to various non-needed devices or “start lockout” servos during engine start. The invention takes advantage of a fuel pressure rise provided by the fuel pump during the ... 12/01/05 - 20050262825 - Apparatus and a method for regulating the flow rate of fuel to a turboshaft engine in acceleration or in deceleration Apparatus for regulating the flow rate of fuel to a turboshaft engine in acceleration or deceleration, the engine having a free turbine and a core engine, the apparatus including sensors transmitting information to regulator elements, the information relating: to a first speed of rotation NTL of the free turbine; to ... 12/01/05 - 20050262824 - Fuel supply system A fuel supply system for a gas turbine engine including first and second positive displacement pumps operated simultaneously to supply fuel under pressure from a low pressure source, a combining spill valve controlling the output flows from the first and second pumps to combine the outputs of the first and ... 11/24/05 - 20050257514 - System for controlling gas turbine by adjusting a target exhaust temperature A system for determining a target exhaust temperature for a gas turbine including: determining a target exhaust temperature based on a compressor pressure condition; determining a temperature adjustment to the target exhaust temperature based on at least one parameter of a group of parameters consisting of specific humidity, compressor inlet ... 10/13/05 - 20050223690 - Centrifugal pump fuel system and method for gas turbine engine A fuel system for a gas turbine engine that utilizes a centrifugal pump. The system includes a fuel metering valve that is adapted to set a metered flow of fuel, and a throttle valve that is adapted to accurately control pressure drop across the fuel metering valve. The throttle valve ... 10/06/05 - 20050217236 - Centrifugal pump fuel system and method for gas turbine engine A fuel system for a gas turbine engine that utilizes a centrifugal pump is presented. The system includes a fuel metering valve that is adapted to set a metered flow of fuel, and a throttle valve that is adapted to accurately control pressure drop across the fuel metering valve. The ... 10/06/05 - 20050217235 - Method and apparatus generating multiple pressure signals in a fuel system A fuel system includes a first fuel line carrying fuel at a first line pressure (P22), a second fuel line carrying fuel at a second line pressure (PFNC) greater than the first line pressure (P22), at least one pressure regulating section 102 having an input 101 connected to the second ... 08/04/05 - 20050166573 - Flow pulsing valve and fuel supply system for a turbine engine incorporating same A pulsing valve assembly pulses metered fuel flow to a turbine engine. The pulsing valve assembly comprises a valve housing having an inlet and an outlet. A divider valve divides metered fuel flow into a first flow portion and a second flow portion. A first actuator sets a magnitude of ... 07/14/05 - 20050150206 - Throttle control device in particular for turbine aero engine test bench an interface (70) for converting the transformed angular position signal into two sinusoidal signals of the resolver type, thus allowing control by the same device of different turbine machines such as turbine machines which have native command by sinusoidal type signals. ... 07/14/05 - 20050150205 - Methods and systems for processing uncalcined coke Methods and systems for processing uncalcined coke are provided. The methods and systems provide for combusting effluent gas from a refinery unit and a stream of uncalcined coke. The refinery unit effluent gas may be the offgas from a rotary kiln calciner. The refinery unit effluent gas and the uncalcined ... 06/23/05 - 20050132694 - Fuel supply system and an associated operating method The invention relates to a fuel supply system (1) that supplies a fuel to a burner arrangement (8) with at least one burner (7), in particular a gas turbine (10). The fuel supply system (1) has at its input a control valve (3) that feeds the fuel into the fuel ... ### FreshPatents.com Support |