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7625415 |
Strainer for a gas turbine engine
The strainer comprises an unitary body having a main section and a collar section located around the main section. The collar section has a substantially outwardly-projecting portion located around...
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7624944 |
Tandem air inlet apparatus and method for an airborne mobile platform
A tandem inlet apparatus for use with a high speed mobile platform, for example a commercial or military aircraft. The tandem inlet apparatus includes a Pitot inlet for feeding air to a cabin air...
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7618006 |
Ram air inlets for use with aircraft environmental control systems and other aircraft and non-aircraft systems
Ram air inlets for use with aircraft environmental control systems and other aircraft and non-aircraft systems are described herein. In one embodiment, a ram air inlet configured in accordance with...
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7617670 |
Flow control redistribution to mitigate high cycle fatigue
A method operable to improve pressure recovery and/or distortion within engine inlet is disclosed. A first fluid flow is provided to primary jet vortex generator(s) operable to inject fluid at a...
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7611093 |
Dual flow APU inlet and associated systems and methods
Dual flow auxiliary power unit (APU) inlets and associated systems and methods are disclosed. An inlet in accordance with one embodiment of the invention includes an entrance aperture and a divider...
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7600714 |
Diffusing air inlet door assembly
An inlet door assembly for reducing air pressure loss and enhancing performance of an auxiliary power unit (APU) contained within an aircraft housing is provided. The inlet door assembly includes a...
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7600713 |
Pre-hung inlet door system
A pre-hung air inlet door assembly comprises an inlet door, a door box frame, and an actuation system. The door box frame is fastened to the support structure of an aircraft. The inlet door is...
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7597283 |
Auxiliary power unit intake duct with aero-acoustic guide vanes
An auxiliary power unit intake duct for an aircraft, comprising
an internal straight portion 1 a , an internal first bend portion 1 b and an internal second bend portion 1 c , extending...
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7581694 |
Vertical tail unit for aircraft and aircraft equipped with same
A vertical tail unit for an aircraft and an aircraft equipped with the vertical tail unit. The vertical tail unit is provided with an engine. The engine extends cantilevered beyond a fin of the...
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7575014 |
Control of engine intake door
An air induction system for an engine having an improved mechanism for control of an intake door. The system includes a housing having an opening for receiving intake air. A power activated door is...
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7568347 |
Method for designing flowfield molded hypersonic inlet for integrated turbojet and ram-scramjet applications
A diverterless hypersonic inlet (DHI) for a high speed, air-breathing propulsion system reduces the ingested boundary layer flow, drag, and weight, and maintains a high capture area for hypersonic...
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7543777 |
Air guiding flap of an aircraft comprising control of the pressure forces impinging thereon, process for adjusting the position of an air guiding flap and ram air system including such an air guiding flap
An air guiding flap of an aircraft wherein one surface thereof faces an air duct and is exposed to a prevailing pressure in the air duct and whose opposite surface is exposed to the pressure of the...
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7540142 |
Multiple auxiliary power unit system inlet ducts controlled by a single actuator
An auxiliary power unit (APU) compartment air inlet system seals, via one or more inlet doors driven by a single actuator, an APU compartment, and isolates the APU inlet and cooling system inlets...
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7516918 |
Morphable ceramic composite skins and structures for hypersonic flight
An exemplary morphable ceramic composite structure includes a flexible ceramic composite skin and a truss structure attached to the skin. The truss structure can morph shape of the skin from a...
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7506839 |
Engine airframe J-seal damper
An aircraft fuselage intake duct seal dampens vibration in a compression seal member of an engine case inlet. The intake duct seal includes an inner leg that engages a stationary portion of the...
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7506838 |
Air intake structure for aircraft engine
The aft stiffening frame of an air intake structure for an aircraft engine nacelle is made with an inflection area such that the part between the inflection area and one of its ends could be...
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7503425 |
Integrated inlet attachment
An acoustic panel for integration in a nacelle of an aircraft engine assembly for absorbing noise generated by an engine or a fan assembly of the aircraft engine assembly. The acoustic panel...
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7491253 |
Engine intake system with accessible, interchangeable air filters
An air induction system for an engine to remove contaminants from intake air prior to delivery to the engine. The system includes a filtering unit having barrier filter panels attachable to a...
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7471996 |
Control system for an aircraft engine
In an electronic control system, three-dimensional data sets (data cubes L 11 -L 14 ) for different power-limiting engine parameters are stored at different engine ratings for setting a respective...
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7469545 |
Auxiliary power unit inlet door position control system and method
An auxiliary power unit (APU) includes a controller that controls the position of an APU inlet door, and thus ram air flow to the APU, to ensure optimal starting conditions are attained and...
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7461813 |
Air input device for a turboprop engine
An air intake layout for a turboprop. A nacelle surrounding an intake section of the turboprop behind the fan propeller can be moved away from the main part of the nacelle and can be divided into...
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7431125 |
Composite muffler for use with airborne auxiliary power unit
The present invention provides a composite muffler for use with an auxiliary power unit. The composite muffler comprises a composite outer can, an annular baffle, an acoustic liner, and a thermal...
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7429018 |
Variable fluid intake with ramp and inflatable bag
Methods and apparatus for a fluid inlet according to various aspects of the present invention comprise a housing and a ramp at least partially within the housing. The housing and the ramp define a...
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7395657 |
Flade gas turbine engine with fixed geometry inlet
An aircraft propulsion system includes a gas turbine engine having a fan section, at least one row of FLADE fan blades disposed radially outwardly of and drivingly connected to the fan section, the...
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7350619 |
Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner
Methods and apparatus are provided for an exhaust duct having an externally replaceable acoustic liner. The exhaust duct includes a forward section that is configured to be axially coupled with a...
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7344111 |
Reversible space plane
A reversible aerospace plane includes an air intake at a first end of the aerospace plane, at least one heat exchanger disposed in the aerospace plane, an engine at a second end of the aerospace...
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7344107 |
Dual flow APU inlet and associated systems and methods
Dual flow auxiliary power unit (APU) inlets and associated systems and methods are disclosed. An inlet in accordance with one embodiment of the invention includes an entrance aperture and a divider...
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7331421 |
Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods
Flow restrictors for aircraft inlet acoustic cores, and associated systems and methods are disclosed. A system in accordance with one embodiment of the invention includes an inlet flow surface...
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7328771 |
Zero acoustic splice fan case liner
A liner assembly for a fan case includes a noise attenuation layer covered by a face sheet. The face sheet includes openings to the underlying noise attenuation layer. The face sheet and noise...
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7322179 |
Air intake and method for breathing air using an air intake
An air intake includes a spike and a cylindrical cowl. The spike is composed of a plurality of plates which are arranged axial symmetrically around a central axis thereof, and the cowl includes an...
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7308966 |
Device for reducing jet engine exhaust noise using oscillating jets
A device for reducing engine exhaust noise in an aircraft engine includes a number of oscillating jets which direct an oscillating flow into the engine exhaust. The oscillating jets are connected...
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7296395 |
Engine inlet air particle separator with active flow control
An engine inlet air particulate separator that uses zero mass active flow control devices, and methods of using the same, are provided. The separator has a separator body that has an arcuate...
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7255307 |
Closure panel arrangement
A closure panel arrangement is provided in which a closure panel 6 can only be retained when appropriately aligned with engagement between clasp hooks 8 and pins 9 is achieved along with...
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7222819 |
Aircraft ram air inlet with multi-member closure flap
A ram air inlet includes a channel with an intake in a wing leading edge, front and rear flaps arranged in the channel for selectively closing or opening the channel, and an actuator connected to...
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7217184 |
Electrical generator fluid-flow-coolant filtration method
A ventilating and particle-filtering airflow methodology for managing the flow of air to the electrical sliding-contact zone of an on-board aircraft (vehicle) electrical generator. Conduit...
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7216474 |
Integrated air inlet system for multi-propulsion aircraft engines
An air inlet duct for an air-breathing combined-cycle aircraft engines is internally divided into separate channels for low-speed and high-speed components of the engine, and contains one or more...
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7207520 |
System, method, and apparatus for designing streamline traced, mixed compression inlets for aircraft engines
An advanced aperture inlet (AAI) uses a three-dimensional, mixed compression inlet design derived from computational fluid dynamics (CFD) by streamline tracing a supersonic section from an...
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7192462 |
Engine air filter and sealing system
An air induction system for an engine to remove contaminants from intake air prior to delivery to the engine. The system includes an assembly for filtering air which is mounted in advance of the...
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7159818 |
Multi-spectral air inlet shield and associated inlet structure
A multi-spectral shield and associated inlet structure is provided for reducing the signature of an air inlet port defined within an exterior wall of an aircraft, ship, or land-based vehicle across...
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7150432 |
Horizontal augmented thrust system and method for creating augmented thrust
A horizontal augmented thrust system includes at least one wing. The wing includes a wing outer envelope, a trailing edge and a flap. At least one pulse jet engine is positioned entirely within the...
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7147185 |
Device for assembly of a shroud placed between an aircraft engine air intake and a pylon
The invention relates to a device ( 131 ) for assembly of a shroud ( 26 ) arranged between an air intake ( 22 ) and a pylon ( 2 ) fixed to the engine ( 4 ), the device comprising:
stressed...
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7121128 |
Method of manufacturing elliptic deep-drawn products
A method of manufacturing an elliptic deep-drawn product including a first step of providing an intermediate product and a second step of providing an end product. In the first step, a rotary...
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7114685 |
Wing for an aircraft or spacecraft
The invention relates to a wing, a wing, a tail unit or grid fins for a flying object moving with supersonic speeds. The wing comprises leading edges and tailing edges. According to the invention,...
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7093793 |
Variable cam exhaust nozzle
An exhaust nozzle includes an exhaust duct with an outlet and a row of radial apertures upstream therefrom. A radial frame surrounds the duct upstream from the apertures. A row of flaps are hinged...
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7086219 |
Cowl structure for a gas turbine engine
A cowl structure ( 18 ) for a gas turbine engine ( 10 ) comprises an outer skin ( 26 ) defining a first path for a load applied to the engine ( 10 ). The cowl structure ( 18 ) includes an inner...
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7051509 |
Apparatus for reducing foreign object debris ingestion into aircraft engines
Apparatus and methods for reducing foreign object debris ingestion into aircraft engines. The apparatus includes a door disposed at a forward end portion of a housing portion of the engine. The...
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7048229 |
Low sonic boom inlet for supersonic aircraft
All-internal compression inlets for supersonic aircraft, with variable geometry systems and shock stability bleed systems provide high performance, large operability margins, i.e. terminal shock...
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7014145 |
Variable position intake for an aircraft mounted gas turbine engine
An aircraft ( 10 ) comprises a wing ( 12 ) having an upper surface ( 16 ) and a lower surface ( 18 ) and at least one turbofan gas turbine engine ( 20 ) mounted on the wing ( 12 ). The axis ( 34 )...
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7014144 |
Dual action inlet door and method for use thereof
An inlet door assembly and method for reducing noise from an auxiliary power unit (APU) contained within an aircraft housing is provided. The inlet assembly includes an inlet duct, an actuator, and...
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6990798 |
Hybrid inlet
A turboprop powerplant with at least a compressor having a forward compressor inlet and a shaft extending axially through the compressor and having a shaft axis, an inlet duct encircling the shaft...
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