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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8061144 | Gas turbine engines In a by-pass gas turbine engine having a lobed type by-pass air and turbine exhaust mixer unit, the reheat gutters are arranged in the mixer in the turbine exhaust duct. The gutters extend radially and are substantially Y-shaped, each of the two legs of the Y extend... | 11/22/2011 |
| 8061143 | Gas turbine engine reheat systems A gas turbine reheat system is provided with channel-shaped gutters, with a wall portion spaced from each gutter to form a space therebetween. The space is supplied with cooling air conveniently from the engine by-pass duct. ... | 11/22/2011 |
| 7600383 | Turbojet with protection means for a fuel injection device, an injection device and a protective plate for the turbojet The turbojet of the invention includes a combustion chamber, a channel for heating the gas stream, where the heating channel includes at least one device for injection of fuel into the gas stream, which includes an open chamber, with a U-shaped section, having at le... | 10/13/2009 |
| 7596950 | Augmentor radial fuel spray bar with counterswirling heat shield A gas turbine engine augmentor radial fuel spray bar has a counterswirling spray bar heat shield. Two embodiments of the heat shield include one with a cambered airfoil cross-section and another with a twisted airfoil cross-section and may have varying or constant d... | 10/06/2009 |
| 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 |
| 7367191 | Device for fixing a burner ring in an afterburner combustion chamber of a turbojet engine Device for fixing a burner ring onto flameholder arms (14) in an afterburner combustion chamber of a turbojet engine, the burner ring being formed of ring sectors (12) placed more or less end to end and the ends of which are housed and guided between t... | 05/06/2008 |
| 7305816 | Rocket augmentation for combined cycle turboaccelerator jet engine An engine for creating a propulsive force includes turbomachinery for generating a flow of hot exhaust gases and an initial thrust force, an augmentor positioned aft of the turbomachinery, and a system for injecting an oxidizer, which preferably undergoes thermal de... | 12/11/2007 |
| 7287383 | Afterburner arrangement The invention relates to a burner ring for turbofan jet engines. The ring includes an upstream annular envelope which forms a channel which is open axially in the downstream direction, and a manifold for injecting fuel into the channel. The ring includes multiple se... | 10/30/2007 |
| 7168253 | Monobloc flameholder arm for an afterburner device of a bypass turbojet A support arm (13) is intended to be installed in a radial position in an afterburner device of a bypass turbojet. The device comprises first and second inner annular casings defining a passage for a primary flow and an outer annular casing defining together ... | 01/30/2007 |
| 7093442 | Augmentor A turbine engine augmentor has a centerbody within a gas flowpath. A flameholder is positioned in the flowpath outboard of the centerbody. A burner within the centerbody has an outlet for expelling combustion products of a first pilot fuel. A pilot fuel conduit has ... | 08/22/2006 |
| 7028484 | Nested channel ducts for nozzle construction and the like A multiple conduit system for a gas turbine engine, the multiple conduit system extending between a plurality of conduit inlet and outlets. A channel is formed in a surface of a gas turbine engine component, and the channel is adapted for conveying a fluid flow from... | 04/18/2006 |
| 7013635 | Augmentor with axially displaced vane system An augmentor system minimizes acoustic pressure fluctuations on the heat release process within the augmentor by staggering the vanes therein. The alternating axial vane stagger pattern arranges the downstream set of vanes as baffles which prevent the propagation of... | 03/21/2006 |
| 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 |
| 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 |
| 6715983 | Method and apparatus for reducing distortion losses induced to gas turbine engine airflow A vane assembly for a gas turbine engine includes at least one vane that includes a first body, a second body, and a passageway. The first body includes a first sidewall and a second sidewall that are connected at a leading edge and a trailing edge. The passageway e... | 04/06/2004 |
| 6508056 | Duct burner with conical wire mesh and vanes A recuperated microturbine system including a low temperature duct burner in the exhaust gas which accommodates significant variations in the exhaust gas flow from the recuperator, which burns the added hydrocarbon fuel, for example natural gas, reasonabl... | 01/21/2003 |
| 6463739 | Afterburner heat shield A heat shield and support strut for a turbine engine afterburner. The heat shield can be replaced without moving or disconnecting the fuel tube. The heat shield includes a housing that may be telescoped over the fuel injection tube and is attachable to th... | 10/15/2002 |
| 6415609 | Replaceable afterburner heat shield A heat shield for protecting a fuel injection tube of a turbine engine afterburner. The heat shield includes a base adapted for attachment to a duct member, the base having a first mounting surface, a first fastener hole, and a recess in the base. A housi... | 07/09/2002 |
| 6351941 | Methods and apparatus for reducing thermal stresses in an augmentor An augmenter includes an insert which reduces thermal stresses caused by hot combustion gases impinging the augmentor. The augmentor also includes a plurality of radial flameholder gutters and at least one outer circumferential flameholder connected to th... | 03/05/2002 |
| 6334303 | Flameholder device for afterburners in gas turbine engines The invention refers to a flameholder device for afterburners in gas turbine engines with a cooling air fan of by-pass type, comprising a plurality of radial flameholder means (1) which at their radially outer end are mounted to the afterburner casing (2)... | 01/01/2002 |
| 6125627 | Method and apparatus for spraying fuel within a gas turbine engine A fuel spraybar assembly for spraying fuel within a gas turbine engine. The spraybar assembly includes radial and lateral members that distribute fuel within the flowpath. In one embodiment two lateral members are located at the radially inward end of a r... | 10/03/2000 |
| 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 |
| 5685140 | Method for distributing fuel within an augmentor A method for distributing fuel within a gas turbine engine is provided. An augmentor is provided which includes a plurality of vanes. Each vane includes a pair of side walls, an aft wall, and a plurality of fuel apertures and pressurized gas apertures ext... | 11/11/1997 |
| 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 |
| 5603212 | Fuel 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 |
| 5497616 | High temperature mounting for stress relief of a dovetail A high temperature mounting system useful, for example for ceramic composite flameholders in a gas turbine engine reheat system uses dovetail clamping. A flameholder carries a dovetail projection which is clamped against a further ceramic, intermediate me... | 03/12/1996 |
| 5491974 | Removable afterburner flameholder A flameholder is disclosed for use in an afterburner of an aircraft gas turbine engine. The flameholder comprises at least one annular ring and a plurality of open ended slots around the forward end of the ring with the open end of each slot open through ... | 02/20/1996 |
| 5396763 | Cooled spraybar and flameholder assembly including a perforated hollow inner air baffle for impingement cooling an outer heat shield A cooled flameholder assembly includes a first heat shield having first and second spaced apart chambers. A fuel spraybar is disposed inside the first chamber, and a hollow baffle is disposed inside the second chamber. A second heat shield is joined to th... | 03/14/1995 |
| 5396761 | Gas turbine engine ignition flameholder with internal impingement cooling A cooled ignition flameholder assembly includes a first heat shield having first and second spaced apart chambers. A fuel spraybar is disposed inside the first chamber, and a hollow baffle is disposed inside the second chamber. A second heat shield is joi... | 03/14/1995 |
| 5385015 | Augmentor burner The fuel spray bars and a compressor air bar is disposed in the cavities of the extended vanes of the turbine exhaust case to flow a fuel/air mixture perpendicular to the gas path and the pilot burner encased in the tail cone ejects a hot stream of combus... | 01/31/1995 |
| 5367873 | One-piece flameholder An improved flameholder for a thrust augmentation combustor includes a toroidal pilot gutter and inner and outer radial gutters, all having U-shaped cross-section and formed from a single piece of metal. The one-piece formation enables design improvements... | 11/29/1994 |
| 5359849 | Afterburner assembly for a gas turbine engine An afterburner assembly is disclosed in which the flameholder ring is for by plurality of flameholder ring segments, each segment being integrally formed with a generally radially extending arm. The flameholder ring segments extend beyond each opposite s... | 11/01/1994 |
| 5315822 | Gas turbine elements rearing coke inhibiting coatings of titanium compounds Fuel contacting elements for gas turbines comprise high temperature alloys having a coke inhibiting layer of titanium carbide, titanium nitride, titanium boride, or mixtures thereof.... | 05/31/1994 |
| 5179832 | Augmenter flame holder construction Shrouds 22, 24 are welded to support braces 20 near fuel spray ring 12. A splash shield 30 is secured to shroud 22 toward which fuel 16 is sprayed. It extends between braces protecting the shroud 22 from fuel impingement. Cracking of the structure at the ... | 01/19/1993 |
| 5129226 | Flameholder for gas turbine engine afterburner A V-shaped afterburner flameholder for a gas turbine engine has a plurality of rectangular tabs coextensive with and lying in the planes of the flameholder sidewalls. The tabs on opposing sidewalls alternate so as to introduce streamwise and spanwise (tra... | 07/14/1992 |
| 5095696 | Asymmetric flameholder for gas turbine engine afterburner An afterburner flameholder for a gas turbine engine having a central diffuser cone, a generally cylindrical outer shell and fuel spray bars between the shell and cone defining an afterburner region is provided, which comprise an annular member with an asy... | 03/17/1992 |
| 5076053 | Mechanism for accelerating heat release of combusting flows In a combustion process streams of fuel, oxidant or combinations of fuel and oxidant pass simultaneously through a combustion region over opposite sides of a plate disposed therein having downstream extending convolutions which create pairs of large scale... | 12/31/1991 |
| 5001898 | Fuel distributor/flameholder for a duct burner A combined fuel distribution and flameholding system (14) includes an improved spraybar (16) having a tapered portion (28) and a radially inwardly disposed tip portion (30). The tapered portion (28) is configured to provide a flow profile (26) diminishing... | 03/26/1991 |
| 4901527 | Low turbulence flame holder mount A low turbulence, close-coupled mounting structure for a flame holder disposed in an afterburner section of a gas turbine engine is provided. The afterburner section has a plurality of angularly spaced, radially extending fuel injection nozzles, with a fa... | 02/20/1990 |
