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7631504 |
Methods and apparatus for assembling gas turbine engines
A combustor assembly is provided. The combustor assembly includes a combustion chamber and at least one transition portion extending downstream from the combustion chamber to facilitate channeling...
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7500347 |
Variable geometry combustor
A variable geometry combustor having a combustor liner that defines at least one dilution port in order to provide air to a dilution zone within the combustor. At least one valve is positioned...
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7340880 |
Compressed air bypass valve and gas turbine
It is the objective of the present invention to enable smooth rotation of the grid plate and normal operation of the bypass valve, regardless of the operational state of the gas turbine. The bypass...
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7257939 |
Sliding-action magneto-mechanical injector throttling device
Sliding-Action Magneto-Mechanical Injector Throttling Device (SLAMMIT) provides on-demand, yet accurate, throttling of the mass flow of the fuel and/or oxidizer into the combustion chamber of a...
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7097421 |
Vernier duct blocker
A vernier duct blocker comprising a plurality of vanes each having a width and comprising a forward portion and an aft portion defining a plurality of gas paths each of the plurality of vanes being...
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7000396 |
Concentric fixed dilution and variable bypass air injection for a combustor
A combustor for a gas turbine includes a combustor body having an aperture and a casing enclosing the combustor body and defining a passageway therebetween for carrying compressor discharge air....
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6973774 |
Hybrid propulsion system
While commercial jet aircraft are capable of transporting large pay load economically, the same is not true for rockets. To solve this problem, a hybrid propulsion system is proposed for use in...
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6925809 |
Gas turbine engine fuel/air premixers with variable geometry exit and method for controlling exit velocities
Apparatus for premixing fuel and air to provide a fuel/air mixture includes a mixing tube configured for receiving fuel and air, a mixing tube axis, and a mixing tube exit for discharging a...
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6901760 |
Process for operation of a burner with controlled axial central air mass flow
An aerodynamically stabilized premixing burner includes a swirl generator for the production of a rotating combustion air flow, and a device for the introduction of at least one fuel into this...
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6892543 |
Gas turbine combustor and combustion control method thereof
A gas turbine combustor that controls flow rate of air flowing into a primary combustion zone for controlling a local fuel-air ratio comprises no sliding portion that is liable to cause sticking or...
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6883331 |
Method and arrangement for providing a gas turbine, and engine-braking therefore
Method and arrangement for providing a gas turbine ( 1 ) having a first compressor ( 2 ), a combustion chamber ( 16 ) and a first turbine ( 11 ), the turbine being adapted to drive the compressor...
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6860098 |
Gas turbine combustor having bypass and annular gas passage for reducing uneven temperature distribution in combustor tail cross section
There is provided a combustor to burn fuel, comprising a bypass passage connected to one side of the combustor to supply air into the combustor; and an annular passage provided around the combustor...
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6810100 |
Method for treating power plant heater drain water
Oxygen is mixed with heater drain water of power plant which contains fine particles of iron oxides such that the concentration of the dissolved oxygen in the heater drain water after the mixing of...
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6644015 |
Turbojet with precompressor injected oxidizer
A turbojet engine with improved thrust and high-altitude capabilities. Arrangements are provided for injecting liquid oxygen or other oxidizer into the turbojet engine before the compressor...
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6609379 |
Gas turbine plant and method of controlling gas turbine plant
A gas turbine plant for limiting a sudden increase of load of the gas turbine, i.e., of the amount of fuel, and suppressing a stress of the turbine, or for maintaining a suitable fuel-air ratio is...
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6568188 |
Bypass air injection method and apparatus for gas turbines
A bypass air injection scheme for a combustor of a gas turbine. Combustor includes a body with an inner liner and a casing enclosing the body with a passageway defined therebetween. A predetermined...
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6499993 |
External dilution air tuning for dry low NOX combustors and methods therefor
A combustor having a combustion liner and at least one combustor orifice assembly, the combustor orifice assembly comprising a boss, an orifice plate that defines an orifice, the orifice plate...
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6474569 |
Fuel injector
A fuel injector including a combustion air flow conduit, a fuel inlet and, swirlers to mix the air and fuel flowing therethrough, additionally comprising fluidic control diverters including at...
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6427930 |
Device for connection of a nozzle of a pre-mixing chamber of a gas turbine, to a housing of the pre-mixing chamber
A device ( 31 ) for connection of a nozzle ( 23 ) of a pre-mixing chamber ( 11 ) of a gas turbine, to a housing ( 12 ) of the pre-mixing chamber ( 11 ) comprises a flange ( 33 ) which clasps and...
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6425240 |
Combustor for gas turbine engine
A gas turbine combustion includes a combustion chamber mounted within an air supply manifold. The combustion chamber preferably has a fixed downstream portion and a telescopically-movable upstream...
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6389798 |
Combustor flow controller for gas turbine
A flow controller ( 5 ) for supplying air to a combustor and a combustor incorporating the same are disclosed. The flow controller comprising a conduit ( 6, 7, 8 ) and a control port ( 9 ), the...
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6357216 |
Flashback control for a gas turbine engine combustor having an air bypass system
A control and method for arresting flashback in a gas turbine engine combustion system having a venturi for delivering a mixture of air and fuel to a combustion chamber and a valve for controlling...
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6332313 |
Combustion chamber with separate, valved air mixing passages for separate combustion zones
A combustion chamber assembly (22) comprises a primary, a secondary and a tertiary fuel and air mixing ducts (54,78,98) to supply fuel and air to primary, secondary and tertiary combustion zones...
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6327845 |
Gas turbine combustor by-pass valve device
Gas turbine combustor by-pass valve device for opening and closing a by-pass valve is improved to uniformly control air supply into a combustion area for appropriate combustion. A drive shaft 21...
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6324828 |
Gas turbine engine and a method of controlling a gas turbine engine
A gas turbine engine comprises a centrifugal compressor (4), an air diffuser (8), a heat exchanger (10), combustion apparatus (12), and first and second turbines (14,18). The combustion chamber...
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6314716 |
Serial cooling of a combustor for a gas turbine engine
A combustor for a gas turbine engine uses compressed air to cool a combustor liner and uses at least a portion of the same compressed air for combustion air. A flow diverting mechanism regulates...
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6272842 |
Combustor tuning
A variable length pre-mixer assembly comprises an upstream end for receiving compressed air from a compressor and a downstream end disposed in flow communication with a combustor. Pre-mixer...
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6253538 |
Variable premix-lean burn combustor
A method and device are provided to enable optimizing combustion conditions of a continuous combustion device to produce low emissions of nitric oxide, carbon monoxide and hydrocarbons at all...
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6250066 |
Combustor with dilution bypass system and venturi jet deflector
Disclosed is a premix injector for mixing air and fuel and injecting the mixture into a combustion chamber. The premix injector includes an air blast fuel nozzle, a venturi, and a premix chamber....
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6226977 |
Bypass air volume control device for combustor used in gas turbine
The invention applies to an air bypass control device which can bypass a portion of the compressed air in the space within the casing into the tail pipe connected to a combustion chamber via a...
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6220035 |
Annular combustor tangential injection flame stabilizer
A lean-premix-prevaporization combustion system has a combustion chamber and a premixed injector that injects a hot gas, formed from the ignition of a lean mixture of air and fuel, into the...
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6199367 |
Air modulated carburetor with axially moveable fuel injector tip and swirler assembly responsive to fuel pressure
A gas turbine engine carburetor includes a fuel injector and a cooperating air swirler for injecting fuel and air into a combustor. The fuel injector includes a hollow body joined to a supporting...
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6082093 |
Combustion air control system for a gas turbine engine
Systems for controlling the combustion air to be used with a gas turbine engine for control the products of combustion and reducing emissions emitted therefrom have been used in the past. The...
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6070406 |
Combustor dilution bypass system
The present invention provides a valve and a low pressure drop combustor bypass. The valve simultaneously controls both the supply of air to the premixer, and the amount of air directed into a...
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6003299 |
System for modulating air flow through a gas turbine fuel injector
Gas turbine engines have in the past attempted to control emissions by a variety of processes or in a variety of manners. For example, past systems have used water or steam injection, and gas...
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5996333 |
Oxidizer control device for a gas turbine engine
An oxidizer control device for controlling the amount of oxidizer passing into a combustion chamber of a gas turbine engine. The device has first and second diaphragm assemblies located adjacent to...
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5950417 |
Topping combustor for low oxygen vitiated air streams
A multi-stage topping combustor unit having rich burn, and lean burn zones followed by a quench/dilution zone. Combustible fuel gas is supplied only to the rich burn zone, and an oxygen-containing...
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5924276 |
Premixer with dilution air bypass valve assembly
A low emissions combustor system for a gas turbine includes a combustion chamber liner defining a combustion space for combusting a homogeneous fuel and compressed air mixture received through an...
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5918459 |
Annular type gas turbine combustor
An annular type gas turbine combustor which can regulate air flow distribution without being influenced by high temperature flames and with a desired fuel-air ratio for reducing the generation of...
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5896741 |
Low emission combustion system for a gas turbine engine
The control systems for reducing NOx in the combustion systems of past gas turbine engines has incorporated a variety of expensive and complicated techniques to reduce the NOx level. For example,...
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5884471 |
Device for operating an annular combustion chamber equipped with combined burners for liquid and gaseous fuels
The invention relates to a device for operating an annular combustion chamber (15) which is equipped with combined burners (1) for liquid (4) and gaseous fuels (9), in particular burners of the...
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5829244 |
Fuel pressure actuated air control for a combustion chamber burner
A burner is disclosed for a combustion chamber of a gas turbine engine having a fuel injector mounted in an end of the combustion chamber for injecting fuel into the combustion chamber, the fuel...
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5819540 |
Rich-quench-lean combustor for use with a fuel having a high vanadium content and jet engine or gas turbine system having such combustors
A combustor for generating hot gas in order to rotate a turbine is able to burn fuel with a high vanadium content without emitting appreciable vanadium pentoxide to the turbine. The combustor...
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5752383 |
Air turbine flow restrictor
An air turbine flow restrictor comprises a sensor for determining the rotational velocity of the turbine wheel. In response to a detected speed above a predetermined threshold, particles are...
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5694762 |
External combustion type gas turbine apparatus
A high temperature gas pipe (4) from a combustion furnace to a turbine (2), having a high temperature gas shut-off valve (10a); a high pressure air leading passage (9) from a compressor (3); a...
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5692370 |
Gas turbine with combustor bypass valve
An assembly includes a gas turbine with an inlet, a combustion air compressor with an outlet, a combustion chamber, and a common wall between the outlet of the compressor and the inlet of the...
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5673552 |
Fuel injection nozzle
A fuel injection nozzle includes a first cavity having a first preestablished cross-sectional area and a second preestablished cross-sectional area being larger than the first preestablished...
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5664412 |
Variable geometry air-fuel injector
A combustion chamber head assembly consists of an annular, domed combustor head separated on its downstream side from the combustion region by an annular bulkhead. A number of fuel injector means...
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5636510 |
Gas turbine topping combustor
A combustor for burning a mixture of fuel and air in a rich combustion zone, in which the fuel bound nitrogen in converted to molecular nitrogen. The fuel rich combustion is followed by lean...
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5613357 |
Star-shaped single stage low emission combustor system
A generally annular combustor system has a combustion chamber with an annular chamber portion and a plurality of can-like chamber portions protruding tangentially from the annular chamber portion,...
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