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7594402 |
Method for the introduction of fuel into a premixing burner
A method and a device for the introduction of fuel into a premixing burner, with a pilot gas feed and a premix gas feed for the operation of a gas turbine in the entire load range, in which the...
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7581382 |
Gas turbine engine air valve assembly
A gas turbine engine air valve assembly has first and second valving elements. The second element is rotatable about a first axis relative to the first element. The rotation controls a flow of air...
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7581396 |
Mixer assembly for combustor of a gas turbine engine having a plurality of counter-rotating swirlers
A mixer assembly for use in a combustor of a gas turbine engine, including a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and the main mixer. The pilot mixer...
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7575612 |
Methods and systems for gasification system waste gas decomposition
Methods and systems for decomposing ammonia in a gasifier are provided. The system includes a gasifier including a pressure vessel and an injection nozzle extending through the pressure vessel and...
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7571612 |
Gas turbine combustor and fuel supply method for same
A gas turbine combustor includes a liquid fuel nozzle for jetting out liquid fuel; a pre-mixture chamber wall provided with the liquid fuel nozzle at a center thereof, having a hollow conical shape...
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7568343 |
Small gas turbine engine with multiple burn zones
A small gas turbine engine for use in an UAV such as a cruise missile, the gas turbine having a combustor forming a primary burn zone and a secondary burn zone, and in which fuel is injected into...
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7568349 |
Method for controlling combustion device dynamics
A method for controlling a combustion dynamics level within a combustion device includes defining a high dynamics operating state at a first fuel split ratio. The first fuel split ratio is a ratio...
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7565805 |
Method for operating gas turbine engine systems
Methods and systems for operating a gas turbine engine system include an electrical generator configured to provide electrical energy to a load, a gas turbine engine including at least one...
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7546740 |
Nozzle
A fuel injector has a number of groups of nozzles. The groups are generally concentric with an injector axis. Each nozzle defines a gas flowpath having an outlet for discharging a fuel/air mixture...
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7513117 |
Method for operating a furnace
A method for operating a furnace with a multi-burner system for generating a hot gas is provided. The furnace has a combustion chamber with a plurality of burners, each having a fuel feed. The...
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7509811 |
Multi-point staging strategy for low emission and stable combustion
The present invention relates to an improved multi-point injector for use in a gas turbine engine or other types of combustors. The multi-point fuel injector has a plurality of nozzles arranged in...
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7509812 |
Dual ignition system for a gas turbine engine
A dual channel ignition circuit (Channel A and a Channel B). In a start sequence in which a successful ignition event occurs, an exciter controller first energizes only a primary ignition channel...
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7506510 |
System and method for cooling a staged airblast fuel injector
A staged fuel injector is disclosed that includes a main fuel circuit for delivering fuel to a main fuel atomizer and a pilot fuel circuit for delivering fuel to a pilot fuel atomizer located...
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7493766 |
Auxiliary electrical power generation
An auxiliary electrical power supply includes a fuel combustor passively sourced with fuel for combusting fuel and a thermoelectric generator close-coupled to the combustor for converting the heat...
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7490471 |
Swirler assembly
A swirler assembly. The swirler assembly may include a hub, a vane positioned on the hub, and a fuel supply passageway extending from the hub through the vane. The fuel supply passageway may...
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7467518 |
Externally fueled trapped vortex cavity augmentor
A gas turbine engine augmentor includes an externally fueled annular trapped vortex cavity having a cavity opening open to an exhaust flowpath and a sole source of fuel located upstream of the...
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7454914 |
Helical channel for distributor and method
A method of distributing fuel in a fuel nozzle comprises: providing at least two helical channels in the fuel nozzle, each having a channel exit port, providing a fuel inlet cavity in fluid...
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7448218 |
Premix burner and method for burning a low-calorie combustion gas
The invention relates to a pre-mix burner for burning a low-calorie combustion gas, said burner comprising an air duct which extends along an axis of the burner and can be used to supply combustion...
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7437876 |
Augmenter swirler pilot
A turbofan gas turbine engine augmenter includes a fuel/air swirler disposed between an axially extending bypass flowpath and an axially extending exhaust flowpath. A swirler inlet is axially open...
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7434404 |
Method for operating a gas turbine combustion chamber including a plurality of burners arranged in groups
A method for operating a combustion chamber ( 1 ) for a gas turbine. The combustion chamber ( 1 ) has a combustion space ( 2 ) and a plurality of burners ( 3 ), which are each arranged at an inlet...
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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...
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7380402 |
Method for operating a gas turbine and gas turbine system for carrying out the method
A method for operating a gas turbine uses a first fuel at full load. An improved emission behavior is achieved by operating the gas turbine ( 11 ) at partial load with a second fuel, which has a...
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7377114 |
Turbine engine pulsed fuel injection utilizing stagger injector operation
A method to control the output of a turbine engine pulses individual fuel injectors completely on and then completely off in selectable groups rather than in unison. The operation of the groups are...
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7370478 |
Method of controlling a gas combustor of a gas turbine
A gas combustor has a peripheral premix burner, and a central diffusion burner whose nozzle defines an eccentric first channel housing an ignition device, an axial second channel, and a third...
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7367194 |
Pulse detonation engine system for driving turbine
A pulse detonation engine system ( 1 ) for driving a turbine is comprises a detonation generator section ( 5 ) including a detonation tube ( 7 ) having a tubular hollow section for permitting...
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7343745 |
Gas turbine combustor and operating method thereof
A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets.
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7340903 |
Scalable power generation using a pulsed detonation engine
A scalable power generator is described. A scalable, portable pulsed detonation engine is coupled to a turbine which drives a generator and using commonly available fuels, electric energy is...
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7337614 |
Engine fueling method
A gas turbine engine is piloted with a pilot flow of fuel delivered to a combustor as a liquid. A first additional flow of the fuel is also delivered to the combustor as a liquid. A second...
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7322197 |
Variable rate ignition
Variable rate ignition method and system that take advantage of knowledge and analysis of environmental conditions and/or operational conditions. A variable ignition rate for igniting the engine...
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7310951 |
Steady-state detonation combustor and steady-state detonation wave generating method
A steady-state detonation combustor and a steady-state detonation wave generating method, in which a stabilized detonation wave can be generated by generating a hypersonic and unburned premixed...
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7308793 |
Apparatus and method for reducing carbon monoxide emissions
The present invention discloses an apparatus and method for reducing the carbon monoxide emissions emitted by a pilot injector of a gas turbine combustor. Multiple embodiments of a means for...
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7302334 |
Automatic mapping logic for a combustor in a gas turbine engine
A mapping device maps each burner mode at various bleed settings to generate control schedules for a combustion controller that ensure combustion dynamic (acoustic) pressures, and emissions limits...
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7263833 |
Fuel injector
A variable geometry pre-mixing fuel injector ( 50 ) for injecting a fuel/air mix in a downstream direction, comprising: an air inlet ( 60 ); a fuel inlet ( 58 ) positioned downstream of the air...
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7243496 |
Electric flame control using corona discharge enhancement
A method of operating a combustor ( 10 ), to provide intimately mixed hot combusted gas ( 44 ) for a gas turbine ( 46 ), includes feeding gaseous oxidant ( 12 ) and gaseous fuel ( 16 ) into the...
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7237384 |
Counter swirl shear mixer
The present invention provides a mixer for a gas turbine combustor comprising a plurality of generally annular walls interconnected by at least a plurality of first vanes. The vanes are oriented at...
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7237385 |
Method of using a combustion chamber for a gas turbine
A combustion chamber 10 for a gas turbine that operates in a highly diluted mode of combustion has a substantially toroidal plenum 30. At least one combustion fluid injector is located at the...
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7225623 |
Trapped vortex cavity afterburner
A trapped vortex cavity afterburner includes one or more trapped vortex cavity stages for injecting a fuel/air mixture into a combustion zone. The trapped vortex cavity afterburner is operable to...
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7216488 |
Methods and apparatus for cooling turbine engine combustor ignition devices
An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at...
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7216486 |
Method for operating a turbine group
Relevant fuel-gas properties (X G ) are measured on an ongoing basis while a gas turbine group is operating. The C 2+ alkane content of the fuel gas is of particular interest in this context, since...
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7200538 |
Methods and apparatus for modeling gas turbine engines
A method enables modeling of a gas turbine engine that includes a pulse detonation system. The method includes providing a pulse detonation modeling system, predicting characteristics of the engine...
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7191736 |
Low emission energy source
A power generator provides power with minimal CO 2 , NO x , CO, CH 4 , and particulate emissions and substantially greater efficiency as compared to traditional power generation techniques....
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7185497 |
Rich quick mix combustion system
A premix chamber for a combustor of a gas turbine engine comprises a cylindrical chamber having a premix chamber wall, the cylindrical chamber having a chamber inlet end longitudinally separated...
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7181916 |
Method for operating a reduced center burner in multi-burner combustor
A method for combustion in a combustor in a gas turbine including: fueling the center fuel nozzle with a fuel-rich mixture of gaseous fuel and air and fueling the outer fuel nozzles with a...
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7163086 |
Lubrication system
A lubrication system comprises a reservoir for lubricant, lubricant delivery means to deliver lubricant to at least one component to be lubricated, an injector associated with each component, a...
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7143583 |
Gas turbine combustor, combustion method of the gas turbine combustor, and method of remodeling a gas turbine combustor
A gas turbine combustor comprises a premixed combustion burner disposed on the periphery of a pilot burner, an approximately cylindrical combustor liner disposed on the downstream side of the...
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7140183 |
Premixed exit ring pilot burner
A burner ( 24 ) which is useful for operating a heat generator includes a first upstream swirl generator ( 17 ) capable of swirling a combustion air stream, a device for injecting at least one fuel...
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7137258 |
Swirler configurations for combustor nozzles and related method
A combustor includes a center nozzle surrounded by a plurality of outer nozzles, the center nozzle and each of the outer nozzles having a fuel passage and an air passage, with a swirler surrounding...
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7127899 |
Non-swirl dry low NOx (DLN) combustor
An air/fuel pre-mixer for a gas turbine combustor and a method of pre-mixing air and fuel for a combustor are provided. In one embodiment the pre-mixer includes a first annular premix fuel manifold...
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7117676 |
Apparatus for mixing fluids
A premixer for a combustor to entrain a selected volume of fuel in an oxidizer to be combusted to heat the oxidizer. The combustor is for a gas powered turbine which employs the hypergolic or high...
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7111463 |
Combustion wave ignition for combustors
A system, such as a turbine power production system, including a plurality of combustion chambers. The combustion chamber may be provided with an ignition system that allows for substantially...
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