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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...
7302793 Methods and apparatus to reduce turbine engine nozzle basesheet stresses  
A method facilitates assembling a flap system for a gas turbine engine exhaust nozzle including at least one backbone assembly. The method comprises providing a basesheet including a pair of...
7296397 Ventilation system for a convergent divergent exhaust nozzle  
The invention relates to a ventilation system for a convergent divergent exhaust nozzle in a bypass turbojet comprising an afterburn chamber surrounded by an annular passage through which...
7178325 Divergent flap for a gas turbine engine  
A divergent flap assembly of a gas turbine engine includes a hotsheet, a backbone structure for supporting the hotsheet, and a plow portion secured to the backbone structure to bridge a gap between...
7032835 Convergent/divergent nozzle with modulated cooling  
A nozzle system includes a multiple of circumferentially distributed convergent flaps, divergent flaps and inter-flap seals which circumscribe an engine centerline and define the radial outer...
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...
6779336 Cooled variable geometry exhaust nozzle  
A variable geometry exhaust nozzle 10 for a turbine engine includes convergent and divergent flaps 12, 18 that circumscribe a gaspath 26 and define convergent and divergent nozzle sections ...
6658854 Methods and apparatus for retaining gas turbine engine nozzle basesheets  
A method for assembling a flap and seal system for a gas turbine engine exhaust nozzle including a plurality of backbone assemblies facilitates attaching a basesheet to a backbone. The method...
6378781 Exit area control mechanism for convergent divergent nozzles  
A convergent-divergent nozzle with an exit area control mechanism includes convergent and divergent petals extending from a nozzle structure on which a synchronising ring is allowed to rotate and...
6378294 System for activating an adjustable tube by means of an elastic ring for a thrust nozzle  
A steerable nozzle for a reaction engine comprises a fixed portion ( 1 ) for connection to the engine, a plurality of steerable flaps ( 21 ) mounted on one end ( 11 ) of the fixed portion, and flap...
6360527 Axisymmetric, converging-diverging exhaust nozzle swiveled by a guided ring  
An axisymmetric, converging-diverging exhaust nozzle swiveled by a guided vectoring ring ( 20 ). The guides comprise three axial apertures ( 44 ) which are each located in a base firmly joined to...
6349539 Axisymmetric, converging-diverging, jet-deflecting turbojet-engine exhaust-nozzle  
An axisymmetric, converging-diverging turbojet-engine exhaust nozzle for jet deflection. The diverging flaps are connected by linkrods to a vectoring ring ( 13 ). The vectoring ring ( 13 ) is...
6347510 Axi-nozzle ejector seal  
A nozzle for a gas turbine engine is provided which includes an outer casing, a convergent section, a divergent section, an external fairing, and a collapsible seal member. The divergent section...
6299077 Actuation system for convergent/divergent nozzle  
The horsepower requirements for the actuation system for a convergent/divergent exhaust nozzle for a gas turbine engine is reduced by the judicious selection of the crank arms and their location on...
6298658 Multi-stable thrust vectoring nozzle  
A stream of primary gas flowing through a bi-stable thrust vectoring nozzle becomes attached to a first or second surface extending downstream of the nozzle, each surface incorporating one or more...
6276126 Axisymmetric, directable and adjustable turbojet-engine exhaust nozzle  
An axially symmetric turbojet-engine exhaust nozzle which is directable as a unit. The exhaust nozzle is situated downstream of an exhaust duct (1) fitted with a spherical wall (5). A single...
6212877 Vectoring ring support and actuation mechanism for axisymmetric vectoring nozzle with a universal joint  
A vectoring ring support and actuation apparatus is provided for transferring the side loads acting on a vectoring ring and generated by a gas turbine engine thrust vectoring nozzle to a relatively...
6199772 Linear actuation and vectoring ring support mechanism for axisymmetric vectoring nozzle  
Three vectoring ring support and actuation apparatuses are disposed in an equi-angular manner circumferentially about the engine casing. Each of the vectoring ring support and actuation apparatuses...
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...
6148608 Divergent petal arrangement for a convergent-divergent aircraft engine nozzle  
Divergent petal arrangement for convergent-divergent nozzles for application in aircraft engines, where the divergent section comprises master divergent petals (3) and slave divergent petals (4),...
6142416 Hydraulic failsafe system and method for an axisymmetric vectoring nozzle  
A nozzle failsafe nozzle actuating system for an aircraft gas turbine engine variable exhaust nozzle having a plurality of pivotal flaps circumferentially disposed about a nozzle centerline and...
6109021 Vectoring nozzle calibration  
A method and system are used to calibrate a plurality of actuators joined to an actuation ring in a control system for vectoring exhaust flaps in a vectoring nozzle. The actuators include output...
6102307 Load strut for a variable geometry nozzle  
A load strut for divergent master petals of variable geometry nozzles, of the type which exhibit a control system constituted by three ring-like pieces, the external ring piece being divided into...
6098400 Divergent petal for gas turbine engine nozzle  
Divergent petal for a gas turbine engine nozzle. This petal (2) is articulated in its front edge to a convergent petal (1), by means of a cylindrical joint (4) while its back surface is articulated...
6070830 Faceted exhaust nozzle  
A fixed geometry duct defining a gas turbine engine exhaust nozzle includes a plurality of circumferentially adjoining flat triangular facets and coaxial first and second openings at opposite ends...
5893518 Attachment means for flaps of variable exhaust nozzle  
The external flaps of a variable exhaust nozzle for a gas turbine engine are attached to the nozzle by a pair of pivotal rods attached to the nozzle's internal support structure and slidably fits...
5842643 Articulated exhaust nozzle fairing  
A variable area exhaust nozzle includes a divergent flap joined to an outer flap for allowing relative rotation and translation therebetween. An articulated fairing joins the aft ends of the...
5839663 Gas turbine exhaust nozzle flap and flap seal apparatus  
An exhaust nozzle for a gas turbine engine is provided which includes a plurality of flaps and an abradable coating. Each flap includes seal surfaces with depressions disposed therein. The flaps...
5779152 Coordinated vectoring exhaust nozzle with scissors linkage  
An exhaust nozzle includes a plurality of circumferentially spaced apart exhaust flaps, and a plurality of scissor linkages joined to respective ones thereof. Each linkage includes a frame...
5775589 Cooling apparatus for aircraft gas turbine engine exhaust nozzles  
The present invention provides coolable exhaust nozzle flap and seal assemblies having liners that are spaced inward and apart from their respective flap and seal cool walls, to form a cooling...
5740988 Axisymmetric vectoring nozzle actuating system having multiple power control circuits  
A failsafe nozzle actuating system for an aircraft gas turbine engine axisymmetric vectoring exhaust nozzle has a vectoring ring operably linked to a plurality of pivotal flaps which are...
5713522 Exhaust nozzle flap for turbojet afterburner  
A plurality of elongate segments, joined along their abutting side edges, form a variable geometry exhaust nozzle for a turbojet engine afterburner. The segments may be planar or slightly curved....
5683033 Rocket nozzle for a rocket engine  
This invention relates to rocket engines which have a rocket nozzle for expanding hot, highly pressurized rocket gases and more particularly, to a high expansion ratio nozzle for such an engine.
5680755 Convertible ejector selectively cooled thrust vectoring exhaust nozzle  
A nozzle cooling system for selectively cooling longitudinally extending and circumferentially adjacent divergent exhaust flow confining elements bounding a hot exhaust gas flowpath in a divergent...
5571262 Supersonic nozzle for a turbojet engine  
Disclosed is a variable supersonic nozzle for a turbojet engine having an improved control system for varying the convergent and divergent nozzle flaps. All of the flaps are supported on several...
5520336 Nozzle for a jet engine containing an adjustable convergent-divergent portion  
A nozzle comprises: a set of first flaps articulated to a rigid structure, and forming a convergent; a set of second flaps each articulated to a corresponding first flap, and forming a divergent; a...
5485959 Axisymmetric vectoring exhaust nozzle thermal shield  
A thrust vectoring axisymmetric vectoring exhaust nozzle having universally pivoting divergent flaps is provided with a surrounding thermal shield of overlapping outer flaps and seals generally...
5470020 Combination turbojet engine nozzle and thrust reverser  
A combination converging-diverging exhaust nozzle and thrust reverser for an aircraft turbojet engine is disclosed having a generally annular array of cold flaps extending from a downstream end of...
5437412 Variable geometry jet engine exhaust nozzle  
A variable cross-section nozzle for a jet engine is disclosed having main inner (hot) flaps defining an inner nozzle and main outer (cold) flaps defining an outer nozzle with adjacent main flaps...
5437411 Vectoring exhaust nozzle flap and seal positioning apparatus  
A flap and seal positioning apparatus for centering adjacent longitudinally extending seals and flaps in the divergent section of an aircraft gas turbine engine axisymmetric vectoring nozzle and...
5402963 Acoustically shielded exhaust system for high thrust jet engines  
A flade exhaust nozzle for a high thrust jet engine is configured to form an acoustic shield around the core engine exhaust flowstream while supplementing engine thrust during all flight...
5398499 Orientable axisymmetric nozzle of variable geometry of gas turbine propulsors  
Orientable axisymmetric nozzle of variable geometry for gas turbine engines which comprises convergent (2) and divergent (3) sections formed by master petals (4, 5) and slave petals (33, 34) duly...
5359851 Variable geometry exhaust nozzle for a turbojet engine  
A variable geometry nozzle for a turbojet engine is disclosed wherein the adjustment of the cross-sectional area of the nozzle in a converging-diverging configuration is controlled by a single...
5329763 Thrust vectoring variable geometry exhaust nozzle for gas turbines  
A thrust vectoring variable geometry exhaust nozzle for gas turbines, which includes a convergent section (2) followed, in the direction of the flow, by a divergent section (3), both formed by...
5328098 Thrust vectoring ejector nozzle  
The external flaps (32), which contain the ram air, continue to form a conical structure during vectoring. External flaps (32) are hinged to the unison ring (30) with ejector flaps (34) hinged to...
5295645 Aircraft variable geometry nozzle  
The present invention relates to a method and apparatus for providing an operable divergent/convergent variable geometry exhaust nozzle for jet propelled aircraft. A multiplicity of hinged,...
5292069 Convertible plug nozzle  
A plug nozzle is convertible to and from an open nozzle by moving several components. The convergent flap moves between an outboard convergent flap position and a central plug position. Divergent...
5273213 Variable area nozzle for turbomachines  
A variable area nozzle for a turbomachine comprising, a duct 25, an axially movable shroud 28 located at the downstream end of the duct 25, at least one circumferential array of plates 30 mounted...
5269466 Gas turbine engine including a variable area nozzle  
Known variable nozzle actuating mechanisms are of complicated construction. This is acceptable where the devices are used on engines which power manually controlled aircraft. The invention although...
5245823 External flap vectoring mechanism  
An external flap vectoring mechanism on an axisymmetric gas turbine exhaust nozzle, the external flap vectoring mechanism comprising a plurality of external flaps, each such flap having first and...
Matches 1 - 50 out of 245 1 2 3 4 5 >