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| Number | Title | Issue Date |
| 8186162 | Acoustically tuned combustion for a gas turbine engine A fuel nozzle for a turbine engine has a central body member with a pilot, a surrounding barrel housing, a mixing duct and an air inlet duct. The fuel nozzle additionally has a main fuel injection device located between the air inlet duct and the mixing duct. The ma... | 05/29/2012 |
| 8166763 | Gas turbine fuel injector with a removable pilot assembly A fuel injector for a gas turbine engine is disclosed. The fuel injector includes an injector housing having a longitudinal axis. The injector housing includes one or more fuel inlets, one or more fuel galleries annularly disposed about the longitudinal axis, and an... | 05/01/2012 |
| 8161750 | Fuel nozzle for a turbomachine A turbomachine includes a compressor, a turbine, and a combustor operatively connected to the turbine. The turbomachine further includes a cap member mounted to the combustor. The cap member includes a first surface and a second surface. A combustion chamber is defi... | 04/24/2012 |
| 8127549 | Burner and gas turbine combustor A burner is provided that has high flame stability and reduces NOx emissions. In the burner, air holes of an air hole member have a central axis inclined relative to a burner central axis. The leading end portion of a first fuel nozzle is configured to be abl... | 03/06/2012 |
| 8117845 | Systems to facilitate reducing flashback/flame holding in combustion systems A method for assembling a premixing injector is provided. The method includes providing a centerbody including a center axis and a radially outer surface, and providing an inlet flow conditioner. The inlet flow conditioner includes a radially outer wall, a radially ... | 02/21/2012 |
| 8113000 | Flashback resistant pre-mixer assembly A pre-mixer assembly associated with a fuel supply system for mixing of air and fuel upstream from a main combustion zone in a gas turbine engine. The pre-mixer assembly includes a swirler assembly disposed about a fuel injector of the fuel supply system and a pre-m... | 02/14/2012 |
| 8065880 | Premixed combustion burner for gas turbine A premixed combustion burner for a gas turbine can efficiently premix fuel and air to produce fuel gas having a uniform concentration, while reliably achieving prevention of flash back by making the flow rate of fuel gas substantially uniform. The premixed combustio... | 11/29/2011 |
| 8047001 | Media mixing insert for turbine blade in turbine engine The invention relates to a blade for a turbine comprising a blade wall, a first channel for guiding a first medium and a second channel for guiding a second medium that can be supplied to the turbine blade separately from the first medium. In order to combine both m... | 11/01/2011 |
| 8037689 | Turbine fuel delivery apparatus and system A fuel nozzle for a turbine is disclosed. The fuel nozzle includes a housing, a plurality of fuel passages disposed within the housing, and a plurality of air passages disposed within the housing. A total flow area of the plurality of fuel passages is substantially ... | 10/18/2011 |
| 8033112 | Swirler with gas injectors A swirler for premixing a flow of fuel and a flow of air provided to a burner for a gas turbine engine is provided. The burner is provided with a swirler for mixing the air and the fuel and wherein the swirler is provided with swirler wings, wherein a channel formed... | 10/11/2011 |
| 8015813 | Fuel injector for injecting fuel into a turbomachine combustion chamber A fuel injector for injecting fuel into a turbomachine combustion chamber, the injector presenting an injector nose for connection to an injection system fastened to the end wall of said combustion chamber, the injector nose comprising: ... | 09/13/2011 |
| 7975486 | Burner for premix-type combustion The invention relates to a burner for premix-type combustion having a cavity which has at least one tangential air inlet slot for the supply of a combustion air flow, a device for the injection of fuel into the cavity which is provided in the region of a burner axis... | 07/12/2011 |
| 7934380 | Method and apparatus for isolating inactive fuel passages One aspect relates to an apparatus having a combustion chamber and a duct in fluid flow communication with the combustion chamber. The apparatus includes at least one opening adapted for delivering a liquid fuel into the duct. The apparatus further includes at least... | 05/03/2011 |
| 7891190 | Combustion chamber of a turbomachine A combustion chamber of a turbomachine is disclosed. The combustion chamber includes at least one bowl with a substantially frustoconical wall that is formed with an annular row of air injection orifices and a fuel injector arranged upstream of the bowl. The annular... | 02/22/2011 |
| 7870736 | Premixing injector for gas turbine engines A premixing injector for use in gas turbine engines assists in the lean premixed injection of a gaseous fuel/air mixture into the combustor of a gas turbine. The premixing injector is designed to mix fuel and air at high velocities to eliminate the occurrence of fla... | 01/18/2011 |
| 7861528 | Fuel nozzle and diffusion tip therefor A fuel nozzle having a dedicated circuit to cool the diffusion tip with lower part count and reduced complexity. More specifically, the proposed design uses an independent circuit to cool the tip with diffusion fuel or purge air. An impingement plate may be provided... | 01/04/2011 |
| 7849693 | Fuel injector for a gas turbine engine combustion chamber A fuel injector for a gas turbine engine combustion chamber is disclosed. The fuel injector includes a first fuel supply line for running at idle speed, a second, main, fuel supply line for running at speeds up to full throttle, and first and second injection orific... | 12/14/2010 |
| 7832212 | High expansion fuel injection slot jet and method for enhancing mixing in premixing devices A premixing device includes an air inlet, at least one fuel inlet slot having a wall profile configured to form a fuel boundary layer along a portion of a wall of the premixing device, a mixing chamber, and at least one diverging fuel injection slot jet disposed ins... | 11/16/2010 |
| 7810333 | Method and apparatus for operating a turbine engine A method of operating a turbine engine includes providing at least one combustor having a chamber defined therein. The assembly includes at least one combustor wall defining the chamber and a first fluid passage defining a first fluid inlet within the wall. The firs... | 10/12/2010 |
| 7770395 | Combustor A sleeve 2e having the length of the side surface thereof made longer at a position away from the compressor outlet 11 is connected to the upstream-side end of an external cylinder 2c. By this sleeve 2e, compressed ai... | 08/10/2010 |
| 7770396 | System for vaporization of liquid fuels for combustion and method of use A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquefied higher hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion device such as a premix... | 08/10/2010 |
| 7721545 | Device for injecting a mixture of air and fuel, combustion chamber and turbomachine both equipped with such a device The invention relates to a device for injecting a mixture of air and fuel into a combustion chamber of a turbomachine where the supply of air is improved. The invention relates more particularly to a new type of sliding bushing. ... | 05/25/2010 |
| 7707832 | Device for injecting a mixture of air and fuel, and a combustion chamber and turbomachine provided with such a device A device for injecting a mixture of air and fuel into a combustion chamber of a turbomachine is disclosed. The injection device has symmetry of revolution about an axis and includes radial swirl inducers of outside diameter D2, a bowl spaced axially from the ... | 05/04/2010 |
| 7707833 | Combustor nozzle A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel ... | 05/04/2010 |
| 7690203 | Removable diffusion stage for gas turbine engine fuel nozzle assemblages A gas turbine engine fuel nozzle assemblage (10) comprises a nozzle outer body (25) comprising a premixing section (23) and an interiorly disposed first fuel passageway (22) to supply fuel to the premixing section (23), and more in... | 04/06/2010 |
| 7673455 | 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 gradually spreading in the direction in which the fuel is jetted out... | 03/09/2010 |
| 7673454 | Combustor of gas turbine and combustion control method for gas turbine In a combustor, divisional fluid passages of a first group, and divisional fluid passages of a second group are present on an inner peripheral side, and divisional fluid passages are also present on an outer peripheral side, and swirl air flows are gushed from the d... | 03/09/2010 |
| 7658075 | Lean premix burner with circumferential atomizer lip With a lean premix burner (1), a plurality of preferably V-shaped, closely spaced fuel channels (12) is formed into the circumferential fuel-supplied film application surface (8) of the atomizer lip (9) in the direction of flow, in order ... | 02/09/2010 |
| 7658074 | Mid-mount centerbody heat shield for turbine engine fuel nozzle A fuel nozzle for a gas turbine engine includes an engine mount end and a discharge end that discharges an air/fuel mixture into a combustion chamber. The fuel nozzle includes a centerbody and a heat shield. The heat shield is fixed to the centerbody at a mid-mount ... | 02/09/2010 |
| 7621130 | Combustion system with low polluting emissions Combustion system (10) for a gas turbine equipped with a premixing chamber (12) for air which is mixed with the fuel injected from a series of holes (11) creating a main central flame which is formed in a flame tube (14), the premixing ch... | 11/24/2009 |
| 7621131 | Burner for a gas-turbine combustion chamber On a burner for a gas-turbine combustion chamber which comprises a lean premix burner with centrally integrated stabilizing burner, a core air annulus (11) accommodating the atomizer nozzle (10) of the stabilizing burner is concentrically surrounded by... | 11/24/2009 |
| 7610759 | Combustor and combustion method for combustor A combustor and a combustion method for the combustor, which can suppress backfire and ensure stable combustion. The combustor comprises a mixing-chamber forming member for forming therein a mixing chamber in which air for combustion and fuel are mixed with each oth... | 11/03/2009 |
| 7578130 | Methods and systems for combustion dynamics reduction Methods and systems for combustion dynamics reduction are provided. A combustion chamber may include a first premixer and a second premixer. Each premixer may include at least one fuel injector, at least one air inlet duct, and at least one vane pack for at least pa... | 08/25/2009 |
| 7571609 | 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 gradually spreading in the direction in which the fuel is jetted out... | 08/11/2009 |
| 7546734 | Homogenous mixture formation by swirled fuel injection A fuel injection device for a gas turbine includes an airflow passage 1 whose walls 2 are provided with at least one fuel opening 3 for the injection of fuel into the airflow, with the center axes 4 of the fuel openings 3 being inc... | 06/16/2009 |
| 7540153 | Combustor By installing a cylinder 53x having a bell-mouth construction to the downstream side of a combustor basket 2a and by providing different level to the downstream-side end of the cylinder 53x, notches 60 are constructed... | 06/02/2009 |
| 7540152 | Combustor By installing a cylinder 53 having a bell-mouth construction to the downstream side of a combustor basket 2a, compressed air flowing between the combustor basket 2a and an external cylinder 2c is throttled. In additio... | 06/02/2009 |
| 7523614 | Combustor A punched metal plate 51 is constructed so as to be in a ring shape covering a space between the outside wall of the combustor basket 2a and the inside wall of the external cylinder 2c and at the same time is constructed to be a pe... | 04/28/2009 |
| 7513115 | Flashback suppression system for a gas turbine combustor A gas turbine combustor having improved flashback margin is disclosed. Multiple embodiments of the present invention are disclosed including combustors having a single premix chamber as well as multiple premix chambers. Flashback margin is increased for the combusto... | 04/07/2009 |
| 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 to and positioned substantially normal to the bypass flowpath and a s... | 10/21/2008 |
