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| Number | Title | Issue Date |
| 7347423 | Arrangement in connection with mechanical seal An arrangement in connection with a mechanical seal includes at least two sliding surfaces pressing against each other, which are arranged to seal a gap between a rotating and a non-rotating machining part, and mechanism for providing a sealing fluid flow cooling th... | 03/25/2008 |
| 7338011 | Method making it possible to prevent vibration of a rudder of an aircraft and aircraft using this method A method for preventing vibration of a rudder of an aircraft may have, on a lateral aerodynamic surface of the aircraft's rudder, a protruding aerodynamic element capable of generating an aerodynamic effect tending to rotate the rudder about its articulation axis. A... | 03/04/2008 |
| 7246995 | Seal usable between a transition and a turbine vane assembly in a turbine engine A seal usable to seal a transition in a can-annular combustion system of a turbine engine to a turbine vane assembly to direct exhaust gases through the turbine vane assembly. The seal may be formed from an elongated body extending along an outer edge of the transit... | 07/24/2007 |
| 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 |
| 7225622 | Turbine engine nozzle A turbine engine nozzle assembly has an upstream flap and a downstream flap pivotally coupled thereto for relative rotation about a hinge axis. An actuator linkage is coupled to the downstream flap along a forward portion thereof for actuating the upstream flaps and... | 06/05/2007 |
| 7213393 | Device for supplying cooling air to exhaust nozzle flaps A device for supplying cooling air to a hollow flap of an exhaust nozzle in a turbojet engine. The device includes a tube connecting the hollow flap to a cooling air source. The tube comprises at least one telescopic portion and at least one ball-joint connection. | 05/08/2007 |
| 7174704 | Split shroud exhaust nozzle A variable geometry convergent-divergent nozzle for a gas turbine engine includes a centerbody extending rearward along a longitudinal axis of the engine which has a throat section of increased diameter. An inner shroud surrounds the centerbody and cooperates with t... | 02/13/2007 |
| 7070148 | Aerodynamic component for controlling a landing guide path of an aircraft An aerodynamic including a main body and a control member. The main body is configured to be connected to a wing of an aircraft. The control member is connected to the main body, the control member including a fixed member secured to the main body and a pivotable me... | 07/04/2006 |
| 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 |
| 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 joined between the outer door and the nacelle for latching stowed the... | 12/20/2005 |
| 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 |
| 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 |
| 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 outside the blocker door stowed closed in the inner skin of the nacelle... | 05/24/2005 |
| 6871797 | Turbine engine nozzle A convergent/divergent nozzle for a gas turbine engine has a throat portion of non-constant radius of curvature varying from an upstream high value to an intermediate low value and then to a downstream high value. ... | 03/29/2005 |
| 6792748 | Cooling system for a gas turbine engine post-combustion jet nozzle The invention concerns a cooling system for a post combustion jet nozzle, The jet nozzle includes a primary gas duct allowing a primary flow of gas, and a secondary air duct allowing a secondary flow of air. The secondary air duct surrounds the primary gas duct and ... | 09/21/2004 |
| 6681560 | Nozzle throat area control apparatus and method Control apparatus for a nozzle for a rocket or other vehicle having a combustion chamber with a propellant therein in communication with the nozzle, the nozzle having a throat and a pair of bores extending into the throat The bores may be in opposed or an... | 01/27/2004 |
| 6622472 | Apparatus and method for thrust vector control A multi-lobed, low friction vane, thrust vector controller is disclosed. Low friction vanes are independently movable into and out of the thrust of the exhaust of a jet engine. All vanes may be used together to adjust exhaust surface area to maximize thru... | 09/23/2003 |
| 6398129 | Throat configuration for axisymmetric nozzle The radius of the hinged portion of the convergent/divergent axisymmetrical exhaust nozzle of a gas turbine engine is configured at the surface seeing the flow to be contoured at a critical radius so to enhance the flow characteristics of the nozzle and i... | 06/04/2002 |
| 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 |
| 6352211 | Flow blocking exhaust nozzle An exhaust nozzle for an aircraft engine. The nozzle includes a mount for attaching the exhaust nozzle to a downstream end of the engine and first and second opposed upstream flaps moveably connected to the mount having inner surfaces defining an upstream... | 03/05/2002 |
| 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 has an aft end and a forward end, and the forward end of the... | 02/19/2002 |
| 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 a torque shaft that rotates to move a connecting link att... | 10/09/2001 |
| 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 to the frame, and a second pin for pivotally joining the ... | 07/17/2001 |
| 6256979 | Backblast gas structure equipped with thrust reverser with two rear doors and planar exhaust area The invention concerns a backblast gas structure for jet engine comprising a thrust reversal system with two downstream doors. The invention is characterized in that the two tilt-up doors articulated about axes (6, 7) are mounted on two side beams (2, 3) ... | 07/10/2001 |
| 6240720 | Hybrid-composite gas turbine exhaust nozzle compression link A hybrid-composite gas turbine exhaust nozzle compression link is formed as an elongated hollow tubular cylindrical shell having an axis of elongation. In cross section taken perpendicular to the axis of elongation, the shell has a structure of an inner r... | 06/05/2001 |
| 6185926 | Turbojet engine thrust reverser and exhaust nozzle assembly An exhaust assembly for a jet powerplant of a supersonic airplane comprising a rear structure fitted with a thrust reverser. The rear structure includes a primary multi-flap nozzle of variable cross-section situated downstream of a primary duct, a seconda... | 02/13/2001 |
| 6164563 | Converging exhaust nozzle fitted with translating cold flaps A gas-flow exhaust assembly for a jet propulsion system of an aircraft in which a converging exhaust nozzle (4) is fitted with translating cold flaps (21, 22). The primary exhaust nozzle (4) comprises two hot-flaps (5, 6) situated beyond a primary duct (1... | 12/26/2000 |
| 6065285 | Thrust reverser for turbojet engine having scoop-forming doors cooperating with movable flow deflecting baffles The invention relates to a bypass turbojet engine having pivoting, hollow thrust reverser doors which, in the forward thrust configuration, are integrated into the external engine cowling and which, in the reverse thrust configuration, constitute scoop ba... | 05/23/2000 |
| 6009702 | Pivoting door thrust reverser with laterally pivoting auxiliary panel A thrust reverser is disclosed for a turbojet engine having a cowling forming an outer boundary of a gas flow duct through which gases flow from a front to a rear, the cowling having at least one reverse thrust opening communicating with the gas flow duct... | 01/04/2000 |
| 6000216 | Actuating system for a cascade type thrust reverser A thrust reverser is disclosed for a turbojet engine having a cowling with a longitudinal axis, the cowling having an inner surface forming an outer boundary of a gas flow duct and a reverse thrust opening. The thrust reverser has a panel movable with res... | 12/14/1999 |
| 5987880 | Supersonic engine, multi-port thrust reversing system A thrust reverser system for a gas turbine engine 10 of the type which includes an outer nacelle 16 spaced apart from a core engine to define an annular bypass duct 32 therebetween and having a fan 22 disposed in an inlet for providing forced air to the b... | 11/23/1999 |
| 5970705 | Variable configuration final nozzle assembly for a combined rocket/ramjet engine A variable configuration final nozzle assembly for a combined rocket/ramjet engine consists of a fixed annular plug 20 together with upstream and downstream arrays of flaps 10,14 pivoted to the wall of a jet pipe 1 at their upstream and downstream ends 12... | 10/26/1999 |
| 5970704 | Pivoting door thrust reverser with sliding panel A thrust reverser is disclosed for a turbojet engine having a cowling with an inner cowling surface forming an outer boundary of a gas flow duct through which gases flow from a front towards a rear portion, the cowling having an outer cowling surface and ... | 10/26/1999 |
| 5934564 | Variable geometry turbojet engine exhaust nozzle A variable geometry exhaust nozzle is disclosed for a turbojet engine having a rear portion, the nozzle having an outer flap ring with a plurality of driven outer flaps and a plurality of outer interlock flaps, each outer flap being pivotally connected to... | 08/10/1999 |
| 5899059 | Pivoting door thrust reverser with translatable auxiliary panel A thrust reverser is disclosed for a turbojet engine having a cowling forming an outer boundary for a gas flow duct, the cowling having at least one reverse thrust opening communicating with the gas flow duct. The thrust reverser includes a thrust reverse... | 05/04/1999 |
| 5884472 | Alternating lobed mixer/ejector concept suppressor A mixer/ejector suppressor is disclosed for reducing the noise level created by the exhaust flows in gas turbines. In the preferred embodiment, the suppressor comprises a mixing ring of alternating lobes attached to the engine's tailpipe; an ejector shrou... | 03/23/1999 |
