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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7404286 | Orbiting combustion nozzle engine An orbiting combustor nozzle (OCN) engine, having a rotating assembly comprising a co-rotating compressor and nozzle wheel enclosed within a non-rotating outer casing, defining a rotating combustion chamber, is disclosed. Combustion occurs in the combustion chamber ... | 07/29/2008 |
| 7340881 | Gas turbine combustor The invention provides a gas turbine combustor in which the size of a combustor outer casing can be reduced. A transition inner duct and a transition outer duct are disposed in a main housing, inlet openings for a fluid to cool the transition inner duct are formed a... | 03/11/2008 |
| 7305831 | Gas turbine having exhaust recirculation A gas turbine adapted to operate in a highly diluted mode comprises a compressor 3 adapted to compress oxidant 5; a combustion chamber 3 adapted to accept the compressed oxidant 7 and provide an exit means for flue gas 9; a turbine... | 12/11/2007 |
| 7159403 | Apparatus for assembling gas turbine engine combustors A method for assembling a gas turbine engine combustor facilitates reducing costs and time required for assembly. The combustor includes a spectacle plate, a plurality of swirlers, and a plurality of deflector plates. The method includes coupling an assembly fixture... | 01/09/2007 |
| 7086854 | Combustion method and apparatus for carrying out same The invention relates to recirculation flow combustors having a generally curved recirculation chamber and unobstructed flow along the periphery of the boundary layer of the vortex flow in this chamber, and methods of operating such combustors. Such combustors furth... | 08/08/2006 |
| 7080517 | Combustion method and apparatus A method comprising providing a combustion apparatus, introducing a fuel into the combustion apparatus, and introducing feed air into the combustion apparatus. The method further comprises using the combustion apparatus to cause at least some of the fuel and at leas... | 07/25/2006 |
| 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 |
| 7011048 | Method and apparatus for liquid fuel preparation to improve combustion An apparatus and method for dissolving gas or gases in liquid fuel to improve combustion of the liquid fuel when injected into a combustion chamber is provided. A gas-charger unit is provided to dissolve the gas into liquid fuel at a first pressure. The pressure of ... | 03/14/2006 |
| 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 |
| 6951108 | Gas turbine engine combustor can with trapped vortex cavity A gas turbine engine combustor can downstream of a pre-mixer has a pre-mixer flowpath therein and circumferentially spaced apart swirling vanes disposed across the pre-mixer flowpath. A primary fuel injector is positioned for injecting fuel into the pre-mixer flowpa... | 10/04/2005 |
| 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 |
| 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 |
| 6886342 | Vortex fuel nozzle to reduce noise levels and improve mixing A fuel nozzle with a ring of fuel spray orifices directing fuel jets at a fuel vortex generator having a fuel deflecting surface disposed downstream a distance from each fuel spray orifice. A mixing chamber is defined between the fuel spray orifices and the fuel def... | 05/03/2005 |
| 6851263 | Liner for a gas turbine engine combustor having trapped vortex cavity A liner for a gas turbine engine combustor having a trapped vortex cavity formed therein, wherein a dome plate is positioned at an upstream end of the combustor, includes: a first portion positioned adjacent and connected to the dome plate, wherein the first liner p... | 02/08/2005 |
| 6826912 | Design of adiabatic combustors An adiabatic combustor for a gas turbine including: (a) a combustion chamber designed and configured to produce high-pressure combustion gases for the turbine, the combustion chamber having a primary combustion zone containing a substantially vitiated-air zone; (b) ... | 12/07/2004 |
| 6820411 | Compact, lightweight high-performance lift thruster incorporating swirl-augmented oxidizer/fuel injection, mixing and combustion An apparatus for providing propulsive power 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 flo... | 11/23/2004 |
| 6735949 | Gas turbine engine combustor can with trapped vortex cavity A gas turbine engine combustor can downstream of a pre-mixer has a pre-mixer flowpath therein and circumferentially spaced apart swirling vanes disposed across the pre-mixer flowpath. A primary fuel injector is positioned for injecting fuel into the pre-mixer flowpa... | 05/18/2004 |
| 6640545 | Burner with high flame stability The invention relates to a premix burner with high flame stability for use in a heat producer, preferably in the combustion chamber of a gas turbine. Modern lean operated premix burners make possible very low pollutant emissions, but sometimes operate ver... | 11/04/2003 |
| 6481209 | Methods and apparatus for decreasing combustor emissions with swirl stabilized mixer A combustor for a gas turbine engine operates with high combustion efficiency, and low carbon monoxide and nitrous oxide emissions during low, intermediate, and high engine power operations. The combustor includes a fuel delivery system that includes at l... | 11/19/2002 |
| 6334298 | Gas turbine combustor having dome-to-liner joint A joint for joining a dome plate to a combustor liner includes a first flange formed on the dome plate and a second flange formed on the liner. A mounting ring having a groove formed therein is provided such that the first flange is disposed in the groove... | 01/01/2002 |
| 6295801 | Fuel injector bar for gas turbine engine combustor having trapped vortex cavity A fuel injection system for a gas turbine engine combustor, wherein the combustor includes a dome inlet module having a plurality of flow passages formed therein and at least one cavity formed in a liner downstream of said dome inlet module. The fuel inje... | 10/02/2001 |
| 6286317 | Cooling nugget for a liner of a gas turbine engine combustor having trapped vortex cavity A liner for a gas turbine engine combustor, including an upstream section, a downstream section oriented at an angle to the upstream liner section, and a cooling nugget joining the upstream and downstream liner sections for providing mechanical stiffness ... | 09/11/2001 |
| 6270337 | Dry, 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 |
| 6164074 | Combustor bulkhead with improved cooling and air recirculation zone An improved combustor bulkhead 70 for a gas turbine engine 10 includes a plurality of holes 72 and baffles 90 which directs cooling air radially inward around a fuel injector to set up and shape a toroidal recirculation zone 114 surrounding the fuel injec... | 12/26/2000 |
| 6056538 | Apparatus for suppressing flame/pressure pulsations in a furnace, particularly a gas turbine combustion chamber An apparatus is provided for suppressing flame/pressure pulsations in a furnace, in which a flame is surrounded by a gas shroud stream having a higher flow speed, whereby a ring vortex formation is stopped. In order for this gas shroud stream to be able t... | 05/02/2000 |
| 5885068 | Combustion chamber In a combustion chamber of a gas-turbine group which essentially comprises a mixing section (2) for premixing an air/fuel mixture (16) and a downstream combustion space (3), a jump (5) in cross section is provided at the transition between the two said fl... | 03/23/1999 |
| 5865609 | Method of combustion with low acoustics A method of reducing pressure fluctuations in the combustor of a gas turbine engine resulting from the combustion of fuel and air therein comprises combusting a fuel/air mixture in a combustor downstream of the exit plane of a fuel nozzle assembly such th... | 02/02/1999 |
| 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 |
| 5619855 | High inlet mach combustor for gas turbine engine A combustor for a gas turbine engine is disclosed which is able to operate efficiently at inlet air flows having a high subsonic Mach Number. The combustor has an outer liner and an inner liner spaced therefrom, wherein a combustion chamber is defined the... | 04/15/1997 |
| 5584182 | Combustion chamber with premixing burner and jet propellent exhaust gas recirculation In the combustion chamber of a gas turbine, at least one premixing burner (110) is arranged in a dome (51) communicating with a plenum (50). Said premixing burner (110) is fastened on the outlet side to a front plate (52) limiting the combustion space (58... | 12/17/1996 |
| 5494438 | Sudden expansion combustion chamber with slotted inlet port A sudden expansion combustion chamber comprising a combustion chamber, an inlet port, a backward-facing step layer provided in the combustion chamber having a predetermined thickness so as define the inlet port, and an after-mixing chamber. The sudden exp... | 02/27/1996 |
| 5381663 | Liquid fuel power plant A liquid fuel power plant (100) including an open-ended combustion chamber (102) and a first mechanism (112) for delivering a combustible fuel to the open-ended combustion chamber (102). A second mechanism (136) is included for igniting the fuel in the op... | 01/17/1995 |
| 5165226 | Single vortex combustor arrangement An annular combustor liner (30) includes louvers (52, 54, 56, 70, 72) for inducing the formation of a single toroidal vortex (68) adjacent a domed upstream portion (34) of the liner (30).... | 11/24/1992 |
| 5094082 | Stored energy combustor In order to provide an expansive central recirculating gas zone (40) in a combustor (10), and in a manner wherein the combustion chamber (20) is of compact volume, a stored energy combustor (10) comprises a vessel (12) having narrow, spaced-apart inlet an... | 03/10/1992 |
| 4894005 | Combustion chamber arrangement with a pre-combustion chamber for substoichiometric combustion The pre-combustion chamber (1), in which liquid fuel is burnt sub-stoichiometrically, is connected upstream of a secondary combustion chamber (16), in which complete combustion takes place over-stoichiometrically. The sub-stoichiometric quantity of combus... | 01/16/1990 |
| 4869062 | Burner for solid and other high ash fuels A novel combustion device is installed into a gas turbine to permit operation with solid or other high ash fuels. A refractory burner block defines an annular primary combustion chamber and a number of secondary cyclonic combustion chambers positioned rad... | 09/26/1989 |
| 4613299 | Device for combustion of a fuel and oxygen mixed with a part of the combustion gases formed during the combustion A device for combustion of a fuel with substantially pure oxygen using partial recirculation of the combustion gases which has separate ejectors suspended between discs which are in turn connected to a resiliently suspended hub.... | 09/23/1986 |
| 4610135 | Combustion equipment for a gas turbine engine Combustion equipment for a gas turbine engine operating on the pre-mix lean combustion bases comprises a flame tube having a plurality of alternately arranged main and pilot air ducts each having a respective fuel injector and receiving axially directed a... | 09/09/1986 |
| 4507075 | Combustion device A combustion device, especially for slow-to-react pulverized coal or coal dust. The inventive device includes the following combination of features: a blow lance, which supplies the coal dust and extends axially through a cylindrical or conical burner tub... | 03/26/1985 |
| 4478045 | Combustors and gas turbine engines employing same Combustors [22] which employ such features as rotary cup fuel atomizers and the latter in conjuction with CIVIC combustion to enhance flame performance, to produce efficient combustion over a wide operating range, and to eliminate the problems typically e... | 10/23/1984 |
