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8166768 |
Systems and methods for passively directing aircraft engine nozzle flows
Systems and methods for passively directing aircraft engine nozzle flow are disclosed. One system includes an aircraft nozzle attachable to an aircraft turbofan engine, with the nozzle including a...
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8156745 |
Exhaust nozzle seal with segmented basesheet
An aircraft gas turbine engine exhaust nozzle basesheet includes longitudinally extending plurality of basesheet segments. Each of the basesheet segments includes a panel body between segment...
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8146342 |
Exhaust eductor system with a recirculation baffle
An exhaust eductor system includes a primary exhaust nozzle configured to transport an active flow stream; and a mixing duct at least partially surrounding the primary exhaust nozzle and configured...
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8141353 |
Exhaust gas additive/treatment system and mixer for use therein
An exhaust mixer (16) is provided for use in an engine exhaust system (10) downstream from an additive injector (14). The mixer (16) includes a first wall structure (20), and a second wall...
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8141366 |
Gas turbine engine with variable area fan nozzle
A nozzle section of a gas turbine engine includes a regulator system in fluid communication with a secondary flow duct and a tertiary flow duct to selectively regulate communication of secondary...
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8122722 |
Exhaust nozzle seal with segmented basesheet disposed between side rails
An aircraft engine exhaust nozzle basesheet includes longitudinally extending plurality of basesheet segments having panel bodies between segment leading and trailing edges and slidable sealing...
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8117847 |
Hybrid missile propulsion system with reconfigurable multinozzle grid
A propulsion system, such as for use in a missile, includes a multinozzle grid having a pair of plates that are separably mechanically coupled together. When coupled together in a first...
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8096105 |
Turbojet engine with attenuated jet noise
A plurality of hatches are distributed on the rear periphery of an engine cowl. The hatches are opened only when turbojet engine power is greater than cruising power. In an open position, the...
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8091335 |
Swept fan ramp for pivot door thrust reverser
A swept fan ramp for a pivot door thrust reverser includes a cylindrical unit with an elliptical flared portion, a side portion, and a rectangular flared portion. The elliptical flared portion is...
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8087250 |
Duplex tab exhaust nozzle
An exhaust nozzle includes a conical duct terminating in an annular outlet. A row of vortex generating duplex tabs are mounted in the outlet. The tabs have compound radial and circumferential aft...
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8069647 |
Jet nozzle mixer
An external jet nozzle mixer includes identically formed lobes. The external mixer works with the internal mixer further to mix the engine internal bypass flow with the internal jet engine core...
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8061145 |
Arrangement for propelling an aircraft, aircraft and outlet nozzle for a jet engine
The invention relates to an arrangement for propelling an aircraft comprising a jet engine and an outlet nozzle arranged downstream of the jet engine. The jet engine is of a type which generates an...
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8047004 |
Stave and ring CMC nozzle
An engine exhaust nozzle comprises a plurality of CMC staves attached to one or more support rings arranged axially. The support rings provide a circumferential load path between the staves and for...
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8043690 |
Exhaust washed structure and associated composite structure and method of fabrication
A composite structure and an associated exhaust washed structure are provided which may be formed of ceramic matrix composite (CMC) materials. A method of fabricating a composite structure which...
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8025122 |
Acoustically treated exhaust centerbody for jet engines and associated methods
An acoustically treated exhaust centerbody comprising a body including a body fore portion and a body aft portion. An internal passageway extends through the body in the axial direction. A...
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8020368 |
Aircraft jet engine provided with a device for reducing propulsion jet noise
A nozzle allowing the reduction of noise generated by aircraft jet engines having at least one output ring which disturbs the propulsion jet, and having at least one pair of conduits from which the...
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8015819 |
Wet active chevron nozzle for controllable jet noise reduction
Disposed at or toward the trailing edge of one or more nozzles associated with a jet engine are injection ports which can selectively be made to discharge a water stream into a nozzle flow stream...
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8015820 |
Gas turbine engine exhaust component and manufacturing method of same
A gas turbine exhaust component, such as an exhaust nozzle, is provided that includes circumferential ribs arranged along a longitudinal axis. Longitudinal strakes are supported by the...
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8001762 |
Method and device to increase thrust and efficiency of jet engine
A method and device for adding special substances to the gaseous outflow of the jet engine in order to create a “virtual wall” of increased pressure zone behind the jet engine nozzle which can ser...
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7980057 |
Integral composite rocket motor dome/nozzle structure
An integral composite rocket motor nozzle. The novel nozzle includes a first layer of a first reinforcement material, a second layer of a second reinforcement material, and a common matrix material...
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7975488 |
Low profile attachment hanger system for a cooling liner within a gas turbine engine swivel exhaust duct
An exhaust duct assembly includes a cooling liner spaced apart from an exhaust duct case that articulate for use in a short take off vertical landing (STOVL) type of aircraft. The cooling liner...
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7966826 |
Systems and methods for reducing noise from jet engine exhaust
Jet engine nozzles with projections (e.g., chevrons) and injected flow, and associated systems and methods are disclosed. A method in accordance with one embodiment includes generating a first flow...
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7966825 |
Exhaust eductor system with a recirculation baffle
An exhaust educator system includes a primary exhaust nozzle configured to transport an active flow stream; and a mixing duct at least partially surrounding the primary exhaust nozzle and...
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7966828 |
Variable area nozzle with woven sleeve extension
A variable area fan nozzle for use with a gas turbine engine system includes a nozzle section that is attachable to a gas turbine engine for influencing flow through the fan bypass passage of the...
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7966824 |
Jet engine nozzle exit configurations and associated systems and methods
Nozzle exit configurations and associated systems and methods are disclosed. An aircraft system in accordance with one embodiment includes a jet engine exhaust nozzle having an internal flow...
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7967562 |
Ceramic matrix composite capped bolt attachment
A fastener for a turbine engine includes a bolt and a ceramic matrix composite (CMC) cap mechanically secured to the bolt. CMC components are attached to an exhaust nozzle case with the fasteners....
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7966827 |
Gas turbine engine with fan variable area nozzle having a rotational valve system
A turbofan engine includes a fan variable area nozzle having a multiple of vents through a fan nacelle and rotatable elements rotatable within the vents by an actuator system. Rotation of the...
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7963099 |
Fluted chevron exhaust nozzle
A gas turbine engine exhaust nozzle includes a fluted shell terminating in a row of chevrons. The nozzle is radially serpentine circumferentially around the shell and has a circumferentially...
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7958733 |
Jet engine exhaust nozzle flow effector
A jet engine exhaust nozzle flow effector is a chevron formed with a radius of curvature with surfaces of the flow effector being defined and opposing one another. At least one shape memory alloy...
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7950236 |
Exhaust duct and tail cone attachment of aircraft engines
An annular exhaust duct of a gas turbine engine includes inner and outer cases co-axially disposed, and radially spaced apart by a plurality of airfoils radially extending therebetween. The outer...
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7926285 |
Modular chevron exhaust nozzle
An exhaust nozzle for a gas turbine engine includes a modular chevron. The chevron includes dual skins fixedly joined together at a base flange, and at a rim extending along the trailing edge of...
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7900460 |
Outlet device for a jet engine and a jet engine comprising such an outlet device
An outlet device for a jet engine includes an outlet nozzle and a plurality of guide vanes arranged movably in the outlet nozzle for guiding a gas from the jet engine for the purpose of steering a...
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7900433 |
Fan exhaust nozzle for turbofan engine
The cross sectional flow area of a fan discharge nozzle on one side of a central plane of an associated gas turbine engine power plant is greater than the corresponding flow area of the fan...
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7900459 |
Inner plenum dual wall liner
An exhaust nozzle assembly includes an inner liner exposed to hot combustion gases and an outer liner spaced a radial distance from the inner liner to form an annular chamber. The inner liner...
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7891195 |
Central body of a turbojet nozzle
A device for attenuating acoustical noise from an exhaust nozzle of a turbojet is disclosed. The turbojet exhaust nozzle includes a central body defining the inner surface of the primary gas flow...
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7886543 |
Central body for a turbojet exhaust channel, turbojet
A device for attenuating acoustic noise from an exhaust nozzle of a turbojet is disclosed. The turbojet exhaust nozzle includes a central body spaced apart from an external casing, defining a gas...
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7886520 |
Gas turbine engine
Within a turbine engine a heat exchanger may be provided to cool compressor air flows to be utilized for cabin ventilation or other functions. A fluid flow acting as a coolant for the heat...
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7882696 |
Integrated support and mixer for turbo machinery
A support and air mixer includes an inner annular member, an outer annular member shaped and positioned such that an annular air gap is formed between the inner annular member and the outer annular...
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7870722 |
Systems and methods for passively directing aircraft engine nozzle flows
Systems and methods for passively directing aircraft engine nozzle flow are disclosed. One system includes an aircraft nozzle attachable to an aircraft turbofan engine, with the nozzle including a...
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7870741 |
Turbine engine valve assembly and method of assembling the same
A method of assembling a crank assembly for a turbine engine. The turbine engine includes a valve assembly including an outer fairing and an inner fairing coupled to the outer fairing with a strut....
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7866158 |
Exhaust liner attachment arrangement
A turbine engine exhaust nozzle is disclosed that includes an exhaust liner having a first attachment structure. A liner support member includes a second attachment structure. A pin cooperates with...
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7866141 |
Cooling device for the primary nozzle of a dual-flow turbojet engine
The invention relates to a dual-flow turbojet engine comprising an engine which is disposed in a nacelle and is provided with case which defines jointly with the said nacelle an annular passage...
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7854124 |
Combined control for supplying cooling air and support air in a turbine engine nozzle
A balance pressure control is provided for flaps which pivot in a rear of a gas turbine engine nozzle to change the cross-sectional area of the nozzle. An actuator drives a sync ring to move the...
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7854123 |
Turbomachine nozzle cover provided with triangular patterns having pairs of vertices for reducing jet noise
The pattern relates to a cover for a turbomachine nozzle, the cover having a plurality of patterns each with an outline of triangular shape having a base and two vertices that are spaced downstream...
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7849670 |
Propulsion system with integrated rocket accelerator
The present invention relates to a propulsion system for a vehicle. The propulsion system has an airframe integrated hydrocarbon fueled airbreathing engine, such as a ramjet or a scramjet. The...
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7845156 |
Turbofan exhaust system
A turbofan exhaust system includes at least one exhaust nozzle with a trailing edge having an upper edge, a lower edge, an inner lateral edge-and an outer lateral edge. The upper edge is upstream...
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7845176 |
Mode strut and divergent flap interface
In one example, a gas turbine engine includes an exhaust nozzle. The exhaust nozzle includes a flap supported relative to a static structure by a strut. The flap includes a backbone providing a...
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7845175 |
Heat shield for mounting on a heat-radiating object, particularly on a rocket engine
A heat shield for mounting on a heat-radiating object, particularly on a rocket engine comprises a first planar element having a front side and a back side. In its mounted state, the first planar...
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7836700 |
Apparatus and method for reduction of jet noise from turbofan engines having separate bypass and core flaws
An exhaust flow system for use with a turbofan jet engine that provides separate fan flow and core flow streams that are not mixed. The system includes a fan nozzle and a primary flow nozzle. The...
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7827802 |
Variable-section flow mixer for a double-flow turbojet for a supersonic airplane
The invention relates to a variable-section flow mixer for a double-flow turbojet for a supersonic airplane, the mixer comprising a central body, a primary cover, a secondary cover, and a nozzle...
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