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| Number | Title | Issue Date |
| 8001786 | Combustor of a gas turbine engine A combustor of gas turbine engine, including: a fuel spray portion that sprays fuel to create a diffusion combustion region in a combustion chamber, the fuel spray portion including a fuel atomizing portion that atomizes the fuel, and a diffusion passage portion dis... | 08/23/2011 |
| 7334409 | Retractable afterburner for jet engine The present invention is a retractable afterburner shroud for use upon a jet engine. The retractable shroud conforms to an outer surface of a jet engine. The afterburner shroud is affixed by a plurality of moveable support arms. The afterburner shroud is retractable... | 02/26/2008 |
| 7277801 | Method for testing catalytic converter durability The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ... | 10/02/2007 |
| 7185494 | Reduced center burner in multi-burner combustor and method for operating the combustor A single stage combustor for a gas turbine having an annular array of outer fuel nozzles arranged about a center axis of the combustor; a center fuel nozzle aligned with the center axis, wherein the center fuel nozzle is substantially smaller than each of the outer ... | 03/06/2007 |
| 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 premixed combustion burner, which defines a combustion chamber in the line... | 12/05/2006 |
| 7137255 | Compact swirl augmented afterburners for gas turbine engines An afterburner apparatus that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel and an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which th... | 11/21/2006 |
| 7093438 | Multiple 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 |
| 7062917 | Combustion chamber with flameless oxidation A combustion chamber (5) for a gas turbine is adapted for flameless oxidation of fuels. This circulation flow has an internal space (9) in which a large-volume circulation flow is established. To this end, the combustion chamber supplies a hot exhaust ... | 06/20/2006 |
| 7044163 | Drag reduction in pipe flow using microbubbles and acoustic energy Methods and apparatus for reducing drag in fluid flow through pipes that utilizes microbubbles and acoustic energy are provided. A gas ejector for microbubble generation in a pipe is provided and includes a pipe comprising a wall having inner and outer diameters and... | 05/16/2006 |
| 7007478 | Multi-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 |
| 7003958 | Multi-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 |
| 7003961 | Trapped vortex combustor A trapped vortex combustor for gas turbine engines. An annular combustor housing is provided having a plurality of inlet centerbodies disposed along a helical axis. The inlet centerbodies include a leading edge structure, opposing sidewalls, a pressurizable cavity, ... | 02/28/2006 |
| 6996990 | Flow controller for gas turbine combustors A flow controller is disposed between a preburner section in a diffuser and prior to the main fuel injector and catalytic sections in a turbine combustor. The flow from the burner section is typically not uniform in temperature and velocity and the flow splitter ren... | 02/14/2006 |
| 6971239 | Augmentor pilot nozzle A gas turbine engine augmentor nozzle has an inlet for connection to an augmentor fuel conduit and an outlet for expelling a spray of fuel. A passageway between the inlet and outlet is at least partially bounded by outlet end surface portions diverging from each oth... | 12/06/2005 |
| 6968694 | Augmentor A turbine engine has a centerbody within a gas flowpath and a downstream tailcone and a pilot at an upstream end of the tailcone. A flameholder is positioned in the flowpath outboard of the centerbody. The pilot has a first surface diverging in a downstream directio... | 11/29/2005 |
| 6968695 | Compact lightweight ramjet engines incorporating swirl augmented combustion with improved performance A ramjet powered device that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel into an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which th... | 11/29/2005 |
| 6923001 | Pilotless catalytic combustor A pilotless catalytic combustor (10) including a basket (12) having a central axis (14) and a central core region (16) disposed along a portion of the central axis. Catalytic combustion modules (18) are circumferentially disposed a... | 08/02/2005 |
| 6907724 | Combined cycle engines incorporating swirl augmented combustion for reduced volume and weight and improved performance A combined-cycle engine having at least one core engine and at least one ramjet engine. The ramjet utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel into an oxidant. The swirl generator converts an ox... | 06/21/2005 |
| 6895756 | Compact swirl augmented afterburners for gas turbine engines An afterburner apparatus that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel into an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which t... | 05/24/2005 |
| 6845621 | Annular combustor for use with an energy system An annular combustor has an annular inner shell, an annular outer shell and a dome end wall connecting the inner shell with the outer shell. A dam is positioned between the dome end wall and the exit end and extends radially from at least one of the inner shell and ... | 01/25/2005 |
| 6668557 | Pilot nozzle of gas turbine combustor A pilot nozzle of a gas turbine combustor comprises a first structure, provided near a main nozzle of a combustor that injects fuel oil, having a flow channel for a fuel gas and an outlet for the fuel gas. The first structure diffusion-injecting the fuel ... | 12/30/2003 |
| 6575733 | Fuel combustion method and reactor The invention relates to a method for combustion of fuels of arbitrary state of aggregation, which are burnt with air, possibly with the addition of water, and a reactor therefore, which is intended to optimize the combustion method. A solid, liquid and/o... | 06/10/2003 |
| 6240732 | Fluid manifold A fluid manifold (41) comprises two annular chambers (42 and 46) in flow series and having a barrier (45) therebetween. A fluid is fed into the first larger annular chamber (42) and circulates circumferential therethrough before being passed through a plu... | 06/05/2001 |
| 6162049 | Premixed ionization modulated extendable burner A ported, premixed extendable burner provides increased turndown capability relative to conventional burners. The burner has an adjustable flameholder sleeve which can be extended and retracted relative to a flameholder, to increase and decrease the avail... | 12/19/2000 |
| 6112516 | Optimally cooled, carbureted flameholder A carbureted flameholder (30) with optial cooling is provided for a bypass turbojet-engine. The flameholder (30) comprises a body (34) which extends radially into the primary flow. The body (34) is formed by a V-dihedral having two outer plates (35, 36) w... | 09/05/2000 |
| 6089025 | Combustor baffle A combustor assembly comprises a plurality of circumferentially arranged fuel nozzles, which fuel nozzles have a first end coupled to a combustion chamber and a second end attached to an endcover. The plurality of fuel nozzles define a central region ther... | 07/18/2000 |
| 6053118 | Pulverized fuel rich/lean separator for a pulverized fuel burner A pulverized fuel combustion burner includes a pulverized fuel and air mixture conduit. A pulverized fuel rich/lean separator is disposed at the axial center of the conduit so that a high concentration mixture is formed at an outer peripheral portion of t... | 04/25/2000 |
| 6047550 | Premixing dry low NOx emissions combustor with lean direct injection of gas fuel Lean premixed combustion of a hydrocarbon fuel and air is combined with lean direct injection of hydrocarbon fuel and air into a combustor downstream of the premixed reaction zone in order to achieve extremely low levels of emissions of oxides of nitrogen... | 04/11/2000 |
| 6026644 | Stabilizer for gas turbine combustors and gas turbine combustor equipped with the stabilizer A gas turbine combustor has a premixing burner for jetting out a premixed gas of fuel and air. A stabilizer forms a circulation of combustion gas generated by combustion of the premixed gas at the downstream side of the stabilizer to stabilize flame forme... | 02/22/2000 |
| 5941063 | Twin-plate flameholder construction This is to claim the invention of the twin-plate flameholders that can be applied to the afterburner and reheater of the jet engines as well as the industrial burners and incinerators. The claimed flameholder features a certain overlap between the two pla... | 08/24/1999 |
| 5927076 | Multiple 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 |
| 5894720 | Low emissions combustion system for a gas turbine engine employing flame stabilization within the injector tube A low emissions combustion system for a gas turbine engine, including a generally annular combustor with a plurality of tangential fuel injectors to introduce a fuel/air mixture. The annular combustor includes a skirt shaped flow control baffle from the i... | 04/20/1999 |
| 5857339 | Combustor flame stabilizing structure A combustor structure is described which comprises a cavity defined in the combustor for trapping a vortex of fuel, air and hot combustion products to stabilize the flame, the cavity being formed in any suitable way such as being defined between two or mo... | 01/12/1999 |
| 5829367 | Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit A burner for combustion of a pulverized coal mixture having two kinds of rich and lean concentration has a height of a burner panel reduced and the overall burner simplified. A rich/lean separator (10, 20, 30) is provided within a pulverized coal conduit ... | 11/03/1998 |
| 5791148 | Liner of a gas turbine engine combustor having trapped vortex cavity A liner for a gas turbine engine combustor is disclosed having a non-linear cavity section, wherein air and fuel injected therein form a trapped vortex for igniting and stabilizing a flame in the combustor. The cavity section, which is substantially recta... | 08/11/1998 |
| 5768886 | Twin-plate flameholder construction This invention is a twin-plate flameholder for an afterburner and reheater of jet engines as well as for industrial burners and incinerators. The flameholder features two plates with a certain overlap and a slit at the overlap portion. A small portion of ... | 06/23/1998 |
| 5685142 | Gas turbine engine afterburner An afterburner 20 for a gas turbine engine 10 has a fuel spray ring 24a for injecting fuel into the afterburner, a flameholder gutter 34a for stabilizing combustion of a fuel-air mixture flowing through the afterburner, and an ignitor 35 for initiating co... | 11/11/1997 |
| 5676538 | Fuel nozzle for low-NOx combustor burners This invention relates to low NOx combustor burners of the type that employ an irregular edge at the edge of the center hub of the combustor burner. Such structures of this type, generally, reduce the strength of combustion instabilities by disrupting the... | 10/14/1997 |
| 5660045 | Gas turbine combustor and gas turbine The present invention has an object to provide a gas turbine combustor which is able to effect stable combustion in a wide range of fuel flow rate. A burner 1 is provided with fuel nozzles 31 and 32. When a fuel flow rate is small, diffusion flame is form... | 08/26/1997 |
| 5647215 | Gas turbine combustor with turbulence enhanced mixing fuel injectors A combustor for a gas turbine having primary and secondary combustion zones. The combustor has primary gas fuel spray pegs for supplying a lean mixture of gaseous fuel to the primary combustion zone via a first annular pre-mixing passage and secondary fue... | 07/15/1997 |
