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Class 60/738 - Premix tube within combustion zone


Subclass of Class 60 - Power plants
Definition: Device wherein at least a portion of the air and fuel are
No. of patents: 86
Last issue date: 09/13/2011


1      
NumberTitleIssue Date
8015814Turbine engine having folded annular jet combustor
A combustor for a turbine engine is disclosed. The combustor may have a can-like dilution zone, a primary combustion zone, and a secondary combustion zone. The primary combustion zone may be disposed radially about the can-like dilution zone. The secondary combustio...
09/13/2011
7841181Gas turbine engine combustion systems
One embodiment is a unique gas turbine engine combustion chamber including primary and secondary burning zones. Other embodiments include unique gas turbine engine apparatuses, systems, methods, and combinations. ...
11/30/2010
7437876Augmenter 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
7350358Exit duct of annular reverse flow combustor and method of making the same
A gas turbine engine comprising an annular reverse-flow combustor having a sheet metal combustor wall between a long exit duct portion and a small exit duct portion of the combustor. An exit duct portion of the combustor forms a sliding joint with a downstream turbi...
04/01/2008
7313916Method and apparatus for generating power by combustion of vaporized fuel
An apparatus for producing power from a source of liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the inlet end in fluid communication with the source of liquid f...
01/01/2008
7249946Thermal generator and combustion method for limiting nitrogen oxides emissions by re-combustion of fumes
The invention relates to a thermal generator comprising a furnace tube (2) wherein a fuel is burnt, recombustion means (14, 15) for reducing the nitrogen oxides content present in said fumes and means (3) for recovering the heat of the fumes res...
07/31/2007
7175422Method for accelerated aging of catalytic converters incorporating injection of volatilized lubricant
A method and apparatus for accelerated aging of an automotive catalytic converter under conditions incorporating volatilized oil consumption. ...
02/13/2007
7140874Method and apparatus for testing catalytic converter durability
The present application relates in general to an apparatus and to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. The application provides a no...
11/28/2006
7093438Multiple venture tube gas fuel injector for a combustor
A gas fuel injector includes a first header plate; a second header plate spaced downstream from the upstream header plate; and a plurality of venturi tubes arranged in rows and sealably secured to the first and second header plates. Each of the venturi tubes include...
08/22/2006
7086234Gas turbine combustion chamber with defined fuel input for the improvement of the homogeneity of the fuel-air mixture
A gas turbine combustion chamber with a burner 7, includes means for the supply of fuel and an atomizer 6, wherein the means for the supply of fuel are provided such that the fuel is injected in areas with maximum airflow velocity. ...
08/08/2006
7051956Ejector device for direct injection fuel jet
Disclosed is a device for increasing entrainment and mixing in an air/fuel zone of a direct fuel injection system. The device comprises an ejector nozzle in the form of an inverted funnel whose central axis is aligned along the central axis of a fuel injector jet an...
05/30/2006
7047722Small scale hybrid engine (SSHE) utilizing fossil fuels
This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th...
05/23/2006
7043921Tube cooled combustor
An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape that conforms to the contour of the liner as the tube extends from one end of the combustor to the other to...
05/16/2006
7013648Premix burner
A premix burner includes a swirler (7) for a combustion air stream and a device for injection of fuel into the combustion air stream. The swirler (7) includes one or more inlet openings for combustion air of the combustion air stream entering the burne...
03/21/2006
7007478Multi-venturi tube fuel injector for a gas turbine combustor
A combustor for a gas turbine includes a main fuel injector for receiving compressor discharge air and mixing the air with fuel for flow to a downstream catalytic section. The main fuel injector includes an array of venturis each having an inlet, a throat and a diff...
03/07/2006
7003958Multi-sided diffuser for a venturi in a fuel injector for a gas turbine
A combustor for a gas turbine includes a main fuel injector for receiving compressor discharge air and mixing the air with fuel for flow to a downstream catalytic section. The main fuel injector includes an array of venturis each having an inlet, a throat and a diff...
02/28/2006
6978618Bulkhead panel for use in a combustion chamber of a gas turbine engine
The invention relates to a bulkhead panel for use in a combustion chamber of a gas turbine engine. The bulkhead panel comprises a first side and a second side, a plurality of panel holes extending from the first side to the second side through which cooling air flow...
12/27/2005
6971242Burner for a gas turbine engine
To meet emissions standards, many gas turbine engines use some form of lean, pre-mixed combustion systems. These systems may lead to combustion oscillations or other instabilities. Jet combustion techniques provide a stable alternative lean, pre-mixed combustion sys...
12/06/2005
6951097Fluid distributor, burner apparatus, gas turbine engine and co-generation system
Disclosed is a burner apparatus comprising an inner tube defining a second channel and an outer tube defining a first channel surrounding the inner tube, air supplying means for supplying air to the first channel and the second channel, and gas supplying means for s...
10/04/2005
6928822Turbine engine apparatus and method
A fuel processing system for a turbine engine includes a fuel processor which mixes fuel and air through a vortical flow which involves the introduction of air tangentially into the fuel processing chamber through inlet apertures formed in the outer wall of the fuel...
08/16/2005
6688108Power generating system comprising a combustion unit that includes an explosion atomizing unit for combusting a liquid fuel
The invention relates to a combustion unit for combusting a liquid fuel. The combustion unit has a fuel inlet, an air inlet and a flue gas outlet which are connected to a combustion chamber for combusting the fuel, wherein the fuel inlet is connected to a...
02/10/2004
6490864Burner with damper for attenuating thermo acoustic instabilities
In a combustion apparatus (10), in particular for driving gas turbines, in which combustion apparatus (10) a gaseous fuel in a burner (11) is sprayed through a plurality of separate fuel-injection devices (15, 16) into a gas flow containing combustion air...
12/10/2002
6339923Fuel air mixer for a radial dome in a gas turbine engine combustor
A fuel air mixer for a gas turbine engine combustor having a longitudinal axis therethrough, wherein the fuel air mixer is configured for use in a dome oriented substantially radial to the longitudinal axis. The fuel air mixer includes a fuel injection as...
01/22/2002
6270337Dry, low NOx pilot
This invention relates to an apparatus and method for increasing the reactivity of a fuel/air mixture prior to homogenous combustion of the mixture. More specifically, this invention is a pilot for a gas turbine combustor which utilizes the heat of combus...
08/07/2001
6192688Premixing dry low nox emissions combustor with lean direct injection of gas fule
Lean premixed combustion of a hydrocarbon fuel and air is combined with lean direct injection of hydrocarbon fuel and carrier fluid such as air or inert gas or a mixture of air and inert gas into a combustor downstream of the premixed reaction zone in ord...
02/27/2001
6155819Dry, low NOx catalytic pilot
This invention relates to an apparatus and method for increasing the reactivity of a fuel/air mixture prior to homogenous combustion of the mixture. More specifically, this invention is a pilot for a gas turbine combustor which utilizes the heat of combus...
12/05/2000
5927076Multiple venturi ultra-low nox combustor
An ultra-low NOx gas turbine combustor having a dual fuel capability. The combustor has a plurality of venturis in flow communication with a corresponding number of fuel lances such that fuel injected from each lance into a corresponding venturi is mixed ...
07/27/1999
5836164Gas turbine combustor
A gas turbine combustor includes a diffusion combustor arranged at an axis portion of a combustion chamber for effecting diffusion combustion, a plurality of first premixing combustors arranged at an outer periphery of the diffusion combustor for effectin...
11/17/1998
5826429Catalytic combustor with lean direct injection of gas fuel for low emissions combustion and methods of operation
A combustor for a gas turbine includes a diffusion flame combustion zone, a catalytic combustion zone and a post-catalytic combustion zone. At start-up or low-load levels, fuel and compressor discharge air are supplied to the diffusion flame combustion zo...
10/27/1998
5727378Gas turbine engine
This invention pertains to small air breathing gas turbine engines (1). Engines of the invention employ improved combustion systems, including improved fuel injection systems and improved combustor design. These improvements enable the engine to idle at s...
03/17/1998
5644918Dynamics free low emissions gas turbine combustor
Combustion-induced instabilities are minimized in gas turbine combustors by incorporating one or more Helmholtz resonators into the combustor. First and second plates located in the head end of the combustor casing define one cavity, and a sleeve located ...
07/08/1997
5609030Combustion chamber with temperature graduated combustion flow
In the case of a combustion chamber which is respectively arranged upstream of and downstream of a fluid-flow machine and which essentially comprises an inflow duct (5) and a downstream premixing and combustion zone (5a), a fuel (11) is injected into the ...
03/11/1997
5603212Fuel injector for a self-igniting combustion chamber
In a combustion chamber (14) of a gas-turbine group which is arranged downstream of a first turbine (11) and upstream of a second turbine (12) and has a burnerless combustion space, extending between the outflow plane of the first turbine (11) and the onc...
02/18/1997
5596873Gas turbine combustor with a plurality of circumferentially spaced pre-mixers
An annular combustor with an air fuel mixer is disclosed including a plurality of mixing tubes having a forward end and an exit end, wherein a longitudinal axis through the exit end for each mixing tube is at both an axial angle and a radial angle to the ...
01/28/1997
5341645Fuel/oxidizer premixing combustion chamber
A fuel/oxidizer pre-mixing combustion chamber for a turbojet engine is disclosed in which the pre-mixing device is incorporated into the upstream end wall structure of the combustion chamber. The upstream end portion of the combustion chamber, which is in...
08/30/1994
5328355Combustor and combustion apparatus
In a combustor including a premixing type combustion burner which has an atomizer for ejecting a liquid fuel together with combustion air to atomize the liquid fuel, the atomizer is comprised of an inner shell to an inner peripheral surface of which the l...
07/12/1994
5285628Method of combustion and combustion apparatus to minimize Nox and CO emissions from a gas turbine
A staged combustion apparatus for a gas turbine to lower the concentration of NOx and CO in the exhaust gases. Combustion occurs in a first and second stage, the first stage being sub-stoichiometric combustion and the second stage being above-s...
02/15/1994
5277022Air blast fuel injecton system
In order to enhance fuel injection efficiency, and particularly to atomize low fuel flows at high velocity with low fuel pressure, a fuel injection system 24 for a combustor 22 of a turbine engine 20 has an air blast tube 48 and a fuel supply tube 76. The...
01/11/1994
5263325Low NOx combustion
A burner for a gas turbine combustor has a perforated plate facing the combustor and a plurality of gaseous fuel premixing tubes conveying a lean premixed fuel through the plate. A gas pilot extending through the plate projects jets of fuel parallel to th...
11/23/1993
5261224High altitude starting two-stage fuel injection apparatus
Difficulties in achieving reliable starts in gas turbine engines operating at high altitude are avoided in a gas turbine engine including a rotary compressor (10), a rotary turbine wheel (12) coupled to the compressor (10) to drive the same, and a nozzle ...
11/16/1993
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