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| Number | Title | Issue Date |
| 7406821 | Adapter device for a rocket engine nozzle having a movable diverging portion An adapter device for controlling a rocket engine nozzle under conditions of external pressure that can lead to the jet separating inside the nozzle, the nozzle being fitted with a diverging portion that is movably mounted relative to a stationary portion of the noz... | 08/05/2008 |
| 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 circumferentially-spaced sides coupled together by an upstream side and a d... | 12/04/2007 |
| 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 circulates a stream of cooling air, a convergent divergent axisymmetric nozzle... | 11/20/2007 |
| 7293401 | Jet engine noise suppressor An embodiment of the invention is a technique to suppress noise in a jet engine. A noise suppressor includes an exhaust duct to exhaust a first stream from an air stream taken from an inlet. The exhaust duct has an exit end. The air stream is divided into the first ... | 11/13/2007 |
| 7290738 | Dual jet emerging lift augmentation system for airfoils and hydrofoils Separate upper and lower plenums within an aircraft airfoil or a sea hydrofoil conduct fluid under different pressures to nozzle slots from which jets emerge to augment lift in accordance with different travel conditions. Lift is induced by nozzle slot emergence of ... | 11/06/2007 |
| 7269951 | Throat retention apparatus for hot gas applications A nozzle for use in a hot gas valve is provided that includes a housing, an insert, and a throat retainer. The housing is constructed of an insulating material and has a flow path formed therein. The flow path has a throat section. The insert is made of material cap... | 09/18/2007 |
| 7240493 | Method and device for reducing engine noise A method and device to reduce the noise produced by jet aircraft engines and/or other supersonic nozzles involves the use of corrugated engine seals (30) for the secondary internal divergent flaps (14) of the nozzle (10). Such corrugated seals (... | 07/10/2007 |
| 7226434 | Safety shield A safety shield including a protective device is provided including a piercing member having a proximal end, a distal end and defining a longitudinal axis. A clip defines a first cavity dimensioned for movement of the piercing member therethrough and is oriented in ... | 06/05/2007 |
| 7216476 | Two-axis thrust vectoring nozzle A nozzle for a jet engine generally includes a nozzle rim and a bendable duct for communicating an exhaust flow generated by the engine to the nozzle rim. A gimbal joint pivotably couples the nozzle rim to supporting structure. The gimbal joint allows the nozzle rim... | 05/15/2007 |
| 7188802 | Convertible aircraft provided with two tilt fans on either side of the fuselage, and with a non-tilting fan inserted in the fuselage The present invention relates to a convertible aircraft provided with first and second tilt fans disposed on either side of the fuselage a little forward of the center of gravity of the convertible aircraft. In addition, the convertible aircraft includes, in remarka... | 03/13/2007 |
| 7188477 | High temperature dynamic seal for scramjet variable geometry A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The movable element has an outboard structural member which requires thermal protection. The seal assembly includes a sealing element and... | 03/13/2007 |
| 7165744 | Turbine engine arrangements A fan turbine engine arrangement is provided in which a core engine is aligned such that an input of a nacelle is aligned with the upwash of a wing to which the arrangement is secured. The engine drives a fan such that bypass flows produced by the fan are guided by ... | 01/23/2007 |
| 7137578 | Segmented monitor A firefighting segmented monitor for redirecting a trajectory of a pressurized fluid discharge towards a target comprises a flowpath with minimum convolutions. The monitor flowpath comprises in series a stationary segment and three rotating segments including a lowe... | 11/21/2006 |
| 7117682 | Turbojet axisymmetric nozzle controlled hot flap shutter A controlled hot flap shutter for a turbojet nozzle includes a friction surface made of metal, and including straight lateral flanks to reduce the gap between each controlled hot flap shutter and the tracking flap shutters adjacent thereto. ... | 10/10/2006 |
| 7096662 | Variable area throat exhaust nozzle with vectorable sideways shifting of exhaust flow A nozzle includes a sideways split and aftwardly swept nozzle ramp extends between a fixed lower nozzle wall and a pivotal upper nozzle wall pivotally connected to an aft end of the nozzle and operable to vary a throat area of a throat of the nozzle. The upper and l... | 08/29/2006 |
| 7096661 | Axial divergent section slot nozzle An axial divergent section slot nozzle for an engine is provided. The nozzle has a plurality of spaced apart divergent flaps, at least one device for moving the divergent flaps to change a cross sectional area of the nozzle in a throat region, and a bridge member po... | 08/29/2006 |
| 7055307 | Vectorable nozzle with sideways pivotable ramp A vectorable nozzle includes a longitudinally extending upper fixed wall spaced upwardly and aftwardly of a longitudinally extending lower fixed wall and an aftwardly swept fixed ramp extending between the upper and lower fixed walls. The upper and lower fixed walls... | 06/06/2006 |
| 7043897 | Square ultra thrust reverser system A thrust reverser system for jet engine comprising a tailpipe, Square/trapezoidal clamshell doors and actuators, wherein the tailpipe and clamshell doors may be corrugated, the corrugations can be mating, the actuators may be situated out of the external free air fl... | 05/16/2006 |
| 7028462 | Method and apparatus for arresting a crack within a body An inseparable assembly includes a body having a plurality of plies stacked in face to face relation and bonded together, wherein each of the plurality of plies includes a ceramic matrix composite material having a first predetermined ductility. The assembly further... | 04/18/2006 |
| 7013650 | Flexible flap for a variable-section turbomachine nozzle In a variable-section turbomachine nozzle, a plurality of flexible follower flaps are provided that are interposed between adjacent controlled flaps against which the follower flaps are held by fastener means, each follower flap comprising a plurality of independent... | 03/21/2006 |
| 6969028 | Scarf nozzle for a jet engine and method of using the same A scarf nozzle for a jet engine supported within a nacelle. The scarf nozzle is at an aft end of the nacelle. The scarf nozzle includes a first trailing edge portion and a second trailing edge portion. The second trailing edge portion is disposed aft of the first tr... | 11/29/2005 |
| 6966175 | Rotary adjustable 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 to the frame to selectively cover and uncover the apertures for contr... | 11/22/2005 |
| 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 aspect ratio, complex aperture geometry nozzle using asymmetric inje... | 11/08/2005 |
| 6948307 | Rocket engine nozzle that is steerable by means of a moving diverging portion on a cardan mount The nozzle comprises a moving diverging portion (20) and a static portion (16) secured to the rear end wall of the combustion chamber (12) of the engine. A cardan mount jointed link device connects the moving diverging portion of the nozzle to t... | 09/27/2005 |
| 6948317 | Methods and apparatus for flade engine nozzle A method for adjusting a throat area of a jet aircraft exhaust nozzle assembly includes positioning a lower structure within a substantially rectangular nozzle assembly, coupling a ramp flap to the lower structure, and coupling an outer flap to the nozzle assembly s... | 09/27/2005 |
| 6948987 | Personal watercraft A personal watercraft has a structure in which a steering nozzle is mounted onto a jet nozzle so as to be swingable vertically and in the left-right directions, upper and lower support shafts for mounting the steering nozzle include upper and lower bolts, the upper ... | 09/27/2005 |
| 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 first location, while the second extension arm is pivotally connected ... | 09/06/2005 |
| 6935118 | Exhaust nozzle segmented basesheet and production method thereof A basesheet for use in an aircraft gas turbine engine exhaust nozzle includes a plurality of basesheet segments extending between longitudinally extending spaced apart basesheet leading and trailing edges, respectively, of the basesheet. Right and left hand baseshee... | 08/30/2005 |
| 6910328 | Vectorable variable area nozzle A vectorable variable area nozzle is formed by a pair of parallel sidewalls, a pair of opposed clamshell elements arranged between the sidewalls and each able to rotate about an axis perpendicular to the sidewalls and a pair of flaps each pivotally lined to the down... | 06/28/2005 |
| 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 between two widthwise spaced apart sidewalls. The divergent flaps have in... | 02/22/2005 |
| 6758437 | Rocket engine nacelle A nacelle comprised of a rigid shroud and a support truss. The shroud encloses the truss and a rocket engine. The shroud is comprised of three sections, including a top section and two side sections. The top section has openings to permit the communication of lines ... | 07/06/2004 |
| 6694723 | Valve assembly for gas turbine engine A valve assembly for supplying cooling air to a nozzle of a gas turbine engine. The nozzle can move between a first configuration and a second configuration. The valve assembly includes a first member having openings that receive cooling air. The valve as... | 02/24/2004 |
| 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 main flow direction (a) for a jet from the jet engine. The outlet chan... | 01/27/2004 |
| 6546716 | Jet engine nozzle with variable thrust vectoring and exhaust area A variable area exhaust nozzle with a variable thrust vector angle for a turbo-fan engine and mounted on the aft portion of the nacelle which wraps said engine. The nozzle may include a fixed structure having at least two lateral arms separating two radia... | 04/15/2003 |
| 6402091 | Flow-through thrust takeout apparatus A flow-through thrust takeout apparatus comprises an injection manifold (coupler) mounted to an engine and having a manifold passage. A ball line is attached to the injection manifold, and has a ball line passage fluidicly coupled with the manifold passag... | 06/11/2002 |
| 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 portion, and one or more resilient assemblies (4) disposed betw... | 05/14/2002 |
| 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 includes an intake for a boundary layer of air for cooling the s... | 05/07/2002 |
| 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 steering means (3, 4, 22, 31). The nozzle is characterized in t... | 04/30/2002 |
| 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 relatively fixed structure and of which the center planes inter... | 03/26/2002 |
| 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 driven by linear actuators (20) anchored in the stationary structur... | 02/26/2002 |
