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| Number | Title | Issue Date |
| 8161727 | System providing braking in a gas turbine engine in the event of the turbine shaft breaking A device for, in a gas turbine engine, braking a turbine including a rotor driving a shaft capable of rotating with respect to a stator in the event of said shaft breaking is disclosed. The device includes a first braking member provided with at least one abrasive e... | 04/24/2012 |
| 7478526 | Speed control apparatus for a rotary sprinkler A turbine for a sprinkler is disclosed for self-governing its rotational velocity. As a rate of fluid through the sprinkler increases, particularly when air is used to flush the sprinkler system, a portion of the turbine shifts outwardly so as to decrease alignment ... | 01/20/2009 |
| 7387072 | Pulsed fluid jet apparatus and munition system incorporating same A fluid jet apparatus includes a housing defining a propellant cavity, a fluid cavity, and a passage through the housing in fluid communication with the fluid cavity. The apparatus further includes a membrane separating the propellant cavity and the fluid cavity, a ... | 06/17/2008 |
| 7373885 | Device for venting a container housing an energetic material and method of using same A device for venting a container housing an energetic material includes an insulating portion, a charge holder disposed in the insulating portion, and an explosive cutting charge disposed in the charge holder. The device further includes a thermally activated initia... | 05/20/2008 |
| 7340882 | Turbomachine with means for axial retention of the rotor The turbomachine of the invention extends longitudinally along an axis, and includes a rotor attached to drive shaft, arranged to rotate around an axis, supported by at least a first bearing, mounted on the fixed structure of the turbomachine by a bearing support el... | 03/11/2008 |
| 7334389 | Afterburner igniter A gas turbine engine afterburner igniter is provided with primary fuel duct means for injecting a jet of fuel into a gas stream directed into a combustion chamber. A spring is positioned within the bore of said fuel duct. The spring being moveable relative to said d... | 02/26/2008 |
| 7331292 | Venting system for explosive warheads An ordnance venting system has one or more adapters that separate the warhead section from other sections of a rocket, or submunition compartments within the warhead itself. The adapters structurally fail at given temperatures and pressures to reduce the danger of e... | 02/19/2008 |
| 7280950 | Locomotive diesel engine turbocharger and turbine stage constructed with turbine blade vibration suppression methodology A method for fabrication of a locomotive diesel engine turbocharger turbine stage so as to avoid harmonic vibration in the turbine blades when the engine is operated at pre-selected throttle settings. Upon determining throttle settings for the engine and modeling of... | 10/09/2007 |
| 7275415 | Particulate-based flow sensor A fluid conveyance apparatus having more than one particulate matter sensing probe situated at two or more locations on the apparatus. Signals from the probes from at least two locations may indicate particulate matter flowing within a fluid through the conveyance a... | 10/02/2007 |
| 7229249 | Lightweight annular interturbine duct An interturbine duct for channelling combustion gases between two axial turbine stages. The interturbine duct is made of sheet material to provide a relatively lightweight construction. ... | 06/12/2007 |
| 7225607 | Gas turbine braking apparatus and method A device is provided which can serve one or more of the multiple functions of impeding rotation of a shaft de-coupled turbine rotor, selectively impeding rotation of a first spool of the engine, for example to permit a second spool to generate power for use in groun... | 06/05/2007 |
| 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 in which said plate prevents the manual control unit with which it is ... | 05/01/2007 |
| 7195444 | Turbomachine with a decoupling device common to first and second bearings of its drive shaft, compressor comprising the decoupling device and decoupling device The invention relates to a turbomachine comprising a rotor with a drive shaft centered on the axis of the turbomachine by a first bearing and a second bearing which bearings are supported respectively by a first-bearing-support piece and a second-bearing-support pie... | 03/27/2007 |
| 7179090 | Integral dual-component current collection device A dual-nature, uni-constructed device, suitable for conducting electricity between two objects in relative motion, comprises two compatible elements each having a straight section and a sinuous section. The two elements are combined to form a unified whole whereby t... | 02/20/2007 |
| 7155897 | Combustion temperature high speed detection device A combustion temperature high speed detection device is provided with a phase lead processing portion, thereby canceling out a detection lag of a temperature detector, and detecting the combustion gas temperature of a combustor at a high speed. The combustion temper... | 01/02/2007 |
| 7153091 | Gas turbine engine A turbofan gas turbine engine (10) comprises a fan rotor and a compressor rotor (62). The fan rotor (24) carries a plurality of circumferentially spaced radially outwardly extending fan blades (26). The compressor rotor carries a pluralit... | 12/26/2006 |
| 7131612 | Nacelle inlet lip anti-icing with engine oil A nacelle for housing a gas turbine engine having a pressurized oil system for lubricating components thereof comprises an inlet lip defining a leading edge of the nacelle, the inlet lip having a conduit therein in fluid flow communication with the pressurized oil s... | 11/07/2006 |
| 7114490 | Multiple pump fuel delivery system A multiple pump fuel delivery system is provided, which in one preferred embodiment includes a tank. Mounted within the tank are multiple fuel pumps. The fuel pumps have intakes connected to filters. One pump may be connected to a fuel only passing filter, and anoth... | 10/03/2006 |
| 7107853 | Pressure transducer for measuring low dynamic pressures in the presence of high static pressures A sensor is described, which basically consists of a leadless high sensitivity differential transducer chip which responds to both static and dynamic pressure. Located on the transducer are two sensors. One sensor has a thicker diaphragm and responds to both static ... | 09/19/2006 |
| 7100354 | Shut-off system for the avoidance of an overspeed condition in the event of a shaft failure A mechanical-electronic shut-off system detects a shaft failure and initiates the shut-off of the fuel supply. It features, on the free end of a reference shaft (2) connected the to energy-consuming end of the respective shaft (1), an axially moveable ... | 09/05/2006 |
| 7082750 | Pressurizer for a rocket engine A pressurizer for pressurizing a fluid includes: at least two storage tanks, where, for each storage tank, the pressurizer further includes: a propellant entrance valve, a propellant exit valve, a pressurant entrance valve, and a pressurant exit valve, where each of... | 08/01/2006 |
| 7076942 | Protective ring for the fan protective casing of a gas turbine engine A protective ring (4) for the fan blades (2, 3) of a gas turbine engine includes a material combination of metal bands and polymer-bonded fiber-weave layers interconnected in alternating arrangement. The protective ring thus formed, which is characteri... | 07/18/2006 |
| 7051511 | Method and arrangement for preventing encased explosives being caused to explode by an external fire This disclosure relates to a method and an arrangement for preventing explosives such as rocket engines from exploding while subjected to an external fire in an ammunition bunker. The basic principle underlying the invention is that the casing surrounding the explos... | 05/30/2006 |
| 7033449 | Additive for composition B and composition B replacements that mitigates slow cook-off violence An explosive composition having a main explosive and an additive, such as 2,4-dinitrophenylhydrazine. The explosive composition is resistant to slow cook-off. The main explosive includes Composition B or a Composition B replacement. The 2,4-dinitrophenylhydrazine is... | 04/25/2006 |
| 7025560 | Frangible coupling A frangible coupling for interconnecting parts comprising a first ring and a second ring coaxially arranged relative to each other and axially joined via an annular array of fuse ligaments equidistantly spaced apart from each other. The ligaments are configured to f... | 04/11/2006 |
| 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) comprising rails (64) attached to the mo... | 03/07/2006 |
| 6966264 | Rocket motors with insensitive munitions systems and projectiles including same An embodiment of the rocket motor of this invention employs an insensitive munitions approach that, when subjected to elevated external temperatures, is activated by thermal expansion of the main propellant and gas generation from a secondary insensitive munitions c... | 11/22/2005 |
| 6932560 | Apparatus and method for detecting an impact on a rotor blade A gas turbine engine (10) comprises a fan rotor (26) having a plurality of fan blades (24) and an apparatus (34) for detecting an impact on the fan blades (24). The apparatus (34) comprises speed sensors (48,48B) arra... | 08/23/2005 |
| 6926234 | Electromechanical turbojet thrust reverser with continuous position control A turbojet thrust reverser includes two doors each controlled by a respective electronic control unit, at least one sensor per door measuring at least one item of position data concerning the door, at least one sensor of each door being connected to the electronic c... | 08/09/2005 |
| 6910863 | Methods and apparatus for assembling a bearing assembly A bearing assembly for a gas turbine engine rotor includes a damper bearing configured to support the rotor, a bearing centering sub-assembly configured to position the damper bearing relative to the rotor, and a retainer. The damper bearing includes a frame that de... | 06/28/2005 |
| 6907368 | Method and device for detecting a pulse-type mechanical effect on a system part A method and device for detection of a pulsed mechanical effect on a plant component includes continuously recording an operating noise in the plant component with a sensor disposed on the plant component and converting the recorded noise into a measured signal with... | 06/14/2005 |
| 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 |
| 6860712 | Control strategy for gas turbine engine A control strategy for a gas turbine engine which exchanges future lifetime of the engine for present thrust. Gas turbine engines, such as those used in aircraft, sometimes incur damage, as when they ingest birds, or are struck with ballistic objects fired by an ene... | 03/01/2005 |
| 6843060 | Fault management system for gas turbine engines Disclosed herein is a “real time” Time Limited Dispatch (TLD) fault management system and method for evaluating the operational suitability of an engine's electronic control system. The TLD system disclosed herein uses a software algorithm to compute or predict ... | 01/18/2005 |
| 6829883 | Turbo fan gas turbine engine having a rotor containment assembly A joint assembly for limiting an extension of the joint in the direction of a load path derived from an impact comprising a first member having a portion and a second member having a portion, the portions overlapping one another and arranged generally parallel to on... | 12/14/2004 |
| 6799416 | Device for supporting and recentering the shaft of a turbojet fan after uncoupling The invention provides a device for supporting and recentering a shaft (2) after decoupling. The device comprises an annular support (4) surrounding the shaft (2), a bearing (5) secured to the annular support (4) and having an inne... | 10/05/2004 |
| 6786315 | Thrust reverser system with sequential torque decoupler An aircraft thrust reverser system that includes a power drive unit operable to supply a drive force. The power drive unit includes a motor and a torque decoupler that sequentially decouples the power drive unit from a plurality of loads. The torque decoupler includ... | 09/07/2004 |
| 6783319 | Method and apparatus for supporting rotor assemblies during unbalances A bearing assembly for a gas turbine engine rotor includes a paired race, a bearing, a mounting joint, and a plurality of mechanical fuses. The paired race includes an outer race and an inner race. The bearing is between the inner and outer races, and is configured ... | 08/31/2004 |
| 6637186 | Fan case liner A fan containment case assembly 30 of a gas turbine engine 10 includes a hardened fan case liner 42 disposed therein. In the event of a fan blade loss condition, the hardened fan case liner allows for circumferential movement of the fan blade tips 38 arou... | 10/28/2003 |
| 6625987 | Control strategy for gas turbine engine A control strategy for a gas turbine engine which exchanges future lifetime of the engine for present thrust. Gas turbine engines, such as those used in aircraft, sometimes incur damage, as when they ingest birds, or are struck with ballistic objects fire... | 09/30/2003 |
