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7581381 |
Ducted air power plant
A ducted air power plant, comprising a motor driven fan ( 7 ) situated in a duct ( 4 ), the fan ( 7 ) having an air intake side and in operation providing a high pressure air stream in the duct,...
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7562520 |
Method for opening a mobile cowl equipping a thrust reverser
The invention concerns a method for opening a mobile cowl ( 2 ) actuated by a motor ( 7 ) and equipping a turbojet thrust reverser, characterized in that it comprises, at the start of the opening...
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7484356 |
Cascade reverser without blocker doors
A translating cowl composed of two sub-structures forms the thrust reverser for a turbofan engine. The two sub-structures form the rear part of a nacelle, are translatable, and have operative and...
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7484355 |
Thrust reverser comprising optimized deflector gratings
The invention relates to a device comprising gratings, which are used to form a reverse flow from a jet engine thrust flow. The inventive device comprises a plurality of flow diverter gratings...
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7469528 |
Aircraft braking method and ducted fan jet engine for implementing the method
The braking method for an aircraft propelled by at least one ducted fan jet engine, the latter comprising a fan, a jet engine core in which the primary flow circulates, a secondary flow exhaust...
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7434762 |
Retractable thrust vector control vane system and method
A retractable thrust vector control system ( 10 ) for a rocket motor ( 26 ) that can generate an exhaust plume comprises at least one control vane ( 12 ) connectable to an attitude control assembly...
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7377099 |
System and method for cooling lateral edge regions of a divergent seal of an axisymmetric nozzle
An axisymmetric nozzle for a gas turbine engine has divergent flaps and seals disposed about a central longitudinal axis thereof. The divergent flaps and seals each have an inner surface defining...
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7370468 |
Turbojet electromechanical thrust reverser with servo-controlled door displacement
A turbojet thrust reverser includes two doors each displaceable between an open position and a closed position of the reverser by at least one respective control actuator. Two electric motors drive...
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7334395 |
Aircraft structure that includes a duct for guiding fluid flow therethrough
An aircraft structure includes a duct having an inlet for fluid flow into the duct and a first outlet for fluid flow out of the duct. The duct is configured to guide fluid flow out of the duct...
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7210283 |
Maintenance and inhibition plate for a thrust reverser
Each manual control unit for a moving part of a thrust reverser is associated with a maintenance plate that is pivotable between at least two positions: a first or “normal operation” position...
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7155898 |
Thrust vector control system for a plug nozzle rocket engine
A thrust vector control system for a plug nozzle rocket engine for propelling and maneuvering a vehicle is disclosed. The plug nozzle rocket engine includes a housing having a nozzle throat, a plug...
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7146796 |
Nested latch thrust reverser
A thrust reverser includes reverser doors pivotally mounted in a nacelle. Each door includes a latch pin mounted at a distal end thereof. A complementary latch hook is pivotally mounted in the...
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7104500 |
Thrust reverser with sliding pivot joints
A target type thrust reverser is provided for reversing the thrust of jet engines, particularly on aircraft. The thrust reverser preferably has a plurality of doors that occupy a stowed position...
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7069717 |
Hybrid propulsion system
Disclosed is a propulsion system for a spacecraft. The propulsion system includes a supply of oxidizer and at least one nozzle. A conduit fluidly couples the supply of oxidizer and the nozzle. The...
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7007454 |
Locking system on a cascade thrust reverser
The invention provides a locking system on a cascade thrust reverser for a bypass turbojet, the reverser ( 20 ) comprising guide means ( 60 ) for the movable parts ( 50 ), and the guide means ( 60...
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6976352 |
Toggle interlocked thrust reverser
A fan thrust reverser includes a nacelle having radially outer and inner skins. An outer door is disposed in the outer skin, and mounted to the nacelle at a hinge joint. A toggle link is pivotally...
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6968675 |
Cascadeless fan thrust reverser with plume control
A thrust reverser for a turbofan engine having an air duct defined radially inwardly by a wall around the turbofan engine and radially outwardly in part by a fan cowl of the engine. A bulkhead is...
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6962044 |
Method and apparatus of asymmetric injection into subsonic flow of a high aspect ratio/complex geometry nozzle
The present invention reveals a method and apparatus for controlling the effective area and thrust vector angle of a fluid flow. In one embodiment, the fluid flow is controlled in an advanced, high...
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6938408 |
Thrust vectoring and variable exhaust area for jet engine nozzle
A jet engine nozzle having a pair of pivoting extension arms and a pair of pivoting shells connected to a jet pipe is provided. The first extension arm is pivotally connected to the jet pipe at a...
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6895742 |
Bifold door thrust reverser
A fan thrust reverser includes an outer louver door joined to an inner blocker door by a drive link in a bifold configuration. The louver door is stowed closed in the outer skin of a fan nacelle...
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6857600 |
Infrared suppressing two dimensional vectorable single expansion ramp nozzle
A two dimensional gas turbine engine exhaust nozzle includes transversely spaced apart upper and lower convergent and divergent flaps and extending longitudinally in a downstream direction and...
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6845945 |
Thrust reverser with sliding pivot joints
A target type thrust reverser is provided for reversing the thrust of jet engines, particularly on aircraft. The thrust reverser preferably has a plurality of doors that occupy a stowed position...
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6820410 |
Bifurcated turbofan nozzle
A turbofan exhaust nozzle includes a fan duct defined between a fan nacelle and a core engine cowling. The fan duct includes a longitudinal endwall and a partition spaced therefrom to define a...
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6771032 |
Motor control system
A motor control system is provided for controlling at least one motor driven mechanical actuator. The control system drives the motor according to a function of the actuator position. The system is...
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6684623 |
Gearless electric thrust reverser actuators and actuation system incorporating same
A gearless electric thrust reverser actuator includes an electric motor that is coupled to a jack screw without any intervening gears. The actuator may additionally include all of the actuation and...
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6681561 |
Outlet device for a jet engine
An outlet device for a jet engine ( 2 ) includes an outlet channel ( 3 ), which has an upstream end ( 3 ′) for being connected to the jet engine and a downstream end ( 3 ″) and which defines a...
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6548794 |
Dissolvable thrust vector control vane
A dissolvable jet vane ( 22/30 ) is a composite structure, having a support frame ( 38 ), a plug leading edge ( 40 ) connected to the forward edge ( 42 ) of the frame ( 38 ), and an insulation...
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6546715 |
Cascade-type thrust reverser
A thrust reverser for a turbofan engine having an air duct defined radially inwardly by a cowl around a gas turbine and radially outwardly in part by a fan case of the engine includes a bulkhead...
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6439504 |
System and method for sustaining electric power during a momentary power interruption in an electric thrust reverser actuation system
An electric thrust reverser actuation system includes an electric motors that is controlled to operate in both a motoring mode and a generating mode. During normal actuation system operations, the...
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6415599 |
Engine interface for axisymmetric vectoring nozzle
An aircraft gas turbine axisymmetric vectoring nozzle has an interface ring centered about a nozzle, a vectoring ring disposed radially inwardly of and apart from the interface ring, and a bearing...
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6385965 |
System for activating a steerable thrust-vectoring nozzle for a jet propulsion system using several circumferentially distributed elastic assemblies
A steerable nozzle for a reaction engine comprises a fixed portion ( 1 ) for fixing to the engine, a moving portion ( 2 ) hinged to the fixed portion, control means ( 3 ) for controlling the moving...
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6381950 |
Engine nozzle arrangement for an aircraft
An engine nozzle arrangement for an aircraft comprises a nozzle ( 18 ) for hot exhaust gases, and a shroud ( 20 ) for the stream of hot exhaust gases emerging from the exhaust nozzle. The shroud...
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6311928 |
Jet engine cascade thrust reverser for use with mixer/ejector noise suppressor
A cascade thrust reverser for use with a mixer/ejector noise suppressor has a set of internal blocker doors controllably moveable between a stowed position, where engine exhaust passes through and...
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6293091 |
Axisymmetrical annular plug propulsion system for integrated rocket/ramjet or rocket/scramjet
The invention is an airframe which includes a vehicle (12) having a solid propellant rocket engine (14) and a ramjet or scramjet engine (16); a thrust plug (18) extending from an end (20) of the...
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6293489 |
Lock for a trust reverser
A lock for a thrust reverser comprising a retainer member carried by a pivot pin, the pivot pin being angularly moveable between a first position in which the retainer member retains a part of the...
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6289670 |
Turbojet engine thrust reverser and exhaust nozzle
An integrated exhaust nozzle and thrust reverser for a turbojet engine is provided. The exhaust nozzle comprises an exhaust duct situated within a fairing (9), a set of hot flaps (14) at a...
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6260794 |
Dolphin cascade vane
An exhaust nozzle includes cascade vanes mounted in a duct for discharging exhaust. The vanes have a dolphin profile which is effective for turning subsonically the exhaust near leading edges of...
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6260801 |
Swing pivot thrust reverser
A hinge arm for a thrust reverser door may be mounted to an exhaust nozzle using an aft mount. The mount includes a frame for attachment to the nozzle. A swing link has a first pin pivotally joined...
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6256980 |
Thrust reverser with turning vanes capable of being superposed
A thrust reverser for a turbofan jet engine having a stationary structure defining an upstream part of a fan cowling and an axially displaceable, annular structure located downstream of the...
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6250586 |
Apparatus and method for controlling the motion of a solid body or fluid stream
This invention discloses a fluid dynamic system including a fluid medium separated from a solid medium by a solid boundary, one of which media is moving with respect to the other, apparatus for...
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6233920 |
Contoured thrust reverser and lobed nozzle noise suppressor for gas turbine engines
A contoured thrust reverser and lobed nozzle noise suppressor is meant for use with gas turbine engines that have conventional post-exit thrust reversers and that require only moderate levels of...
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6192671 |
Cross bar centering mechanism for slave petals in covergent divergent nozzles with variable geometry
Divergent petal arrangement for convergent-divergent nozzles with thrust vectoring capability through changes in the divergent section geometry, in which the position of each slave divergent petals...
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6173565 |
Three axis pulsed plasma thruster with angled cathode and anode strip lines
A spacecraft attitude and altitude control system utilizes sets of three pulsed plasma thrusters connected to a single controller. The single controller controls the operation of each thruster in...
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6170254 |
Translating sleeve for cascade type thrust reversing system for fan gas turbine engine for an aircraft
A translating sleeve structure for a cascade type thrust reverser system for controlling fan air for a turbofan aircraft gas turbine jet engine, such translating sleeve having a plurality of...
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6164059 |
Multi-expansion ejector nozzle with diverging walls
The wall downstream of the slot of an ejector forms a divergent angle relative to the upstream wall adjacent to the slot so that the flow discharging from the slot expands and avoids having the...
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6151883 |
Aircraft propulsive power unit thrust reverser with separation delay means
In an aircraft propulsive power unit a thrust reversing arrangement includes a flow redirecting structure having a flow redirecting downstream wall against which gaseous fluid flow in a first flow...
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6151884 |
Turbojet engine thrust reverser door spoilers with motion controlling drive system
A bypass turbo-fan type turbojet-engine having a thrust reverser utilizing pivotally mounted bypass flow deflecting doors, each door having a movable, retractable spoiler at its upstream edge. A...
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6148607 |
Thrust reverser with lock-status display
A thrust reverser for aircraft gas-turbine engines includes latch devices that display a tell-tale visible indication when thrust reverser shutters (doors, etc.) are ajar. A latch of the lock at...
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6145301 |
Thrust reverser for fan type turbojet engines using independently actuated pivoted thrust deflectors
A turbojet-engine thrust reverser includes bypass flow deflectors (3) which in a forward thrust mode are retracted into a wall of the primary cowling (4) of the engine and which are driven by...
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6145299 |
Rocket engine
A liquid fuel rocket engine wherein the thrust producing exhaust of the engine is directed out of the engine in an annular fashion providing increased thrust and 360 degree thrust vectoring, while...
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