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7604199 |
Aerofoil containment structure
A stage of fan aerofoils ( 10 ) lies within a fan cowl ( 12 ). The fan duct ( 16 ) is defined in part by a hard casing ( 14 ) that in turn surrounds aerofoils ( 10 ). Hard casing ( 14 ) includes...
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7565796 |
Turbofan case and method of making
A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.
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7563069 |
Clip
A clip used to attach an acoustic panel to a fan casing of a gas turbine engine is “U” shaped. One arm of the clip is provided with a spacing portion cut into the material of the arm and which...
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7527469 |
Transition-to-turbine seal apparatus and kit for transition/turbine junction of a gas turbine engine
One embodiment of a transition-to-turbine seal ( 300 ) comprises a transition exit seal ( 302 ) adapted for fixed attachment to an exit rail ( 350 ) of a transition ( 109 ), and a stage-1 seal (...
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7517184 |
Low deflection fan case cotainment fabric
A turbine engine fan casing for containing a separated blade fragment comprising a support case having an axially extending impact zone, a substantially structurally continuous penetrable covering...
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7513734 |
Gas turbine engine blade containment system and a laminate material
A gas turbine engine blade containment system that includes a laminate material including first and second layers. The first layer is an inner layer within the second layer. The second layer...
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7513103 |
Gas turbine engine assembly and methods of assembling same
A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, coupling a counter-rotating fan assembly including a forward fan assembly and an...
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7493754 |
Gas turbine engine assembly and methods of assembling same
A method for assembling a gas turbine engine including providing a core gas turbine engine at least partially defined by a frame and having a drive shaft rotatable about a longitudinal axis of the...
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7484924 |
Device for limiting turbine overspeed in a turbomachine
Device for limiting turbine overspeed in a turbomachine, the turbine comprising a rotor formed of disks mounted on a turbine shaft and carrying moving blades, stages of fixed blades disposed...
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7448845 |
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...
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7448844 |
Blisk having partially cut blade attachment
An integrally bladed rotor disk, commonly referred to as an IBR or a blisk, includes partial cuts in the rotor disk extending from the rotor disk surface and along side the blades to form a partial...
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7448808 |
Arrangement of bearing supports for the rotating shaft of an aircraft engine and an aircraft engine fitted with such an arrangement
An arrangement of bearing supports for a rotating shaft mounted on bearings connected to an engine stator structure by bearing supports of which at least one is made up of N>1 elements...
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7445421 |
Fan duct blade containment assembly
The fan cowl ( 12 ) of a ducted fan gas turbine engine ( 10 ) has a downstream portion including an inner casing ( 30 ) that surrounds a honeycomb structure ( 36 ) in abutting engagement. Honeycomb...
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7416380 |
Pressure relief arrangement for a pump
A pressure relief arrangement for a pump ( 10 ) which includes a pump housing assembly with a pumping chamber ( 25 ) therein, the pump housing assembly including a section ( 41 ) mounted for...
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7407367 |
Variable area diffuser
A diffuser includes multiple vanes rotatable about pivot pins between multiple positions. A mounting plate supports a backing plate. The vanes are arranged between the backing plate and the shroud....
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7402022 |
Rotor blade containment assembly for a gas turbine engine
A gas turbine engine rotor blade containment assembly ( 38 ) comprising a generally cylindrical, or frustoconical, casing ( 40 ). The casing ( 40 ) having at least one member ( 54 ) and the member...
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7390161 |
Composite containment case for turbine engines
A composite fan casing for a gas turbine engine includes, in an exemplary embodiment, a core having a plurality of core layers of reinforcing fiber bonded together with a thermosetting polymeric...
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7367774 |
System for protecting a main shaft of an engine having a fusible bearing
A turbomachine comprising at least a first rotary assembly with a first shaft, a stator, and bearings secured to the stator and suitable for supporting the shaft, one of the bearings being capable...
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7364402 |
Turbine module for a gas turbine engine
A turbine module for a gas turbine engine includes at least one turbine disk and a disk-shaped component mounted on the turbine disk upstream relative to the gas flow. The module can be assembled...
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7360986 |
System for blocking a main shaft of an engine having a fusible bearing
A turbomachine including at least a first rotary assembly with a first shaft, a stator, and bearings secured to the stator and suitable for supporting the first shaft, one of the bearings being...
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7341423 |
Molecular pump and connecting device
A flange of a molecular pump is connected to a vacuum vessel by first bolts that extend through elongate holes in the flange and are bolted to the vacuum vessel. One or more buffering members are...
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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,...
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7338250 |
Gas turbine engine blade containment assembly
A gas turbine engine rotor blade containment assembly ( 38 ) comprises a containment casing ( 40 ) and the containment casing ( 40 ) has a plurality of axially spaced ribs ( 66 ). The ribs ( 66 )...
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7316538 |
Turbine engine with an uncoupling device, uncoupling device and fusible screw for the uncoupling device
The turbine engine of the invention includes a rotor with at least one bearing, mounted on a bearing supporting part, said part being connected to the fixed structure by an uncoupling device,...
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7255528 |
Liner for a gas turbine engine casing
A turbofan gas turbine engine ( 10 ) comprises a fan rotor ( 32 ) carrying a plurality of radially extending fan blades ( 34 ). A fan blade containment assembly ( 38 ) surrounds the fan blades ( 34...
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7246990 |
Composite fan containment case for turbine engines
A composite fan casing for a gas turbine engine is provided includes, in an exemplary embodiment, a core having a plurality of core layers of reinforcing fiber bonded together with a thermosetting...
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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...
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7192243 |
Gas turbine engine blade containment assembly
A gas turbine engine rotor blade containment assembly ( 38 ) comprises a generally cylindrical, or frustoconical, metal casing ( 40 ). The metal casing ( 40 ) has at least one arched portion ( 62,...
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7160078 |
Mechanical solution for rail retention of turbine nozzles
A mechanical arrangement for protection against catastrophic nozzle failures includes a turbine nozzle segment including an inner platform rail, a turbine nozzle inner support ring in part in axial...
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7147429 |
Turbine assembly and turbine shroud therefor
A turbine assembly includes a shroud for being mounted around a last stage of the low pressure turbine rotor. The shroud includes an arcuate body having spaced-apart forward and aft ends and...
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7140834 |
Turbine and a component
A turbine including a rotor ( 1 ) that is driven by gas and that has a housing ( 2 ) enclosing the rotor. The turbine includes a component ( 6 ) suspended from the housing ( 2 ) that is arranged...
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7125217 |
Cellular materials
A structural member comprises a main body formed from a cellular material. The structural member may be a casing for a rotary assembly e.g. a fan of a gas turbine engine. The main body may...
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7121785 |
Retraction retainer system for biased turbine engine components
A device, system, and method for securing a turbine engine seal in a retracted position enabling maintenance, assembly and disassembly of the turbine engine. The system can include a retainer...
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7114912 |
Fan blade with embrittled tip
An aircraft turbojet including a fan having a hub driven by a shaft carried by at least one bearing connected to the structure of the turbojet by a bearing support that includes an interposed...
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7112044 |
Blades
Percussive impacts due to bird strikes upon the hollow fan blades 20 are a well known problem. These percussive impacts not only deform previous fan blades but also reduce their stiffness. In...
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7097413 |
Bearing support
To further isolate imbalances in a rotating structure such as a gas turbine engine, an effective length between two bearings may exceed an actual length. This may be achieved via one or more...
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7097412 |
Turbine engine bearing support
A bearing support for a rotor of an aircraft turbine engine which includes a front bearing and a front bearing support and bearing strut for securely attaching the front bearing, to the aircraft...
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7077622 |
Emergency cooling system for a thermally loaded component
In an emergency cooling system ( 17 ) for a component ( 1 ) which is subject to thermal load in operation, in, e.g., a turbine, the component ( 1 ) has a wall ( 3 ) which, in operation, is acted on...
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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...
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7059823 |
Molecular pump equipped with flange having buffering portion
A molecular pump has a casing having a gas inlet port and a gas discharge port, a stator disposed within the casing, a shaft disposed in the casing concentrically with the stator, a bearing...
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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...
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7021888 |
Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump
An ultra-high speed vacuum pump evacuation system includes a first stage ultra-high speed turbofan and a second stage conventional turbomolecular pump. The turbofan is either connected in series to...
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7018168 |
Method and apparatus for fabricating gas turbine engines
A method facilitates fabricating a gas turbine engine. The method comprises coupling an engine casing circumferentially around a gas turbine engine. The method also comprises coupling an engine...
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7011490 |
Compressor in a multi-stage axial form of construction
A compressor in a multi-stage axial form of construction, with a rotor which is mounted overhung and includes a plurality of moving-blade rings on blade carriers connected to one another, and with...
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7008173 |
High energy containment device and turbine with same
A containment device for use in retaining debris material traveling radially outward in a rotary device is provided as is a turbine having a containment device. The containment device includes an...
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7002172 |
Electronic safety system for the avoidance of an overspeed condition in the event of a shaft failure
An electronic safety system for the detection of a shaft failure and for the interruption of the energy supply to the shaft includes at least one measuring light guide ( 13 ) which is firmly routed...
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6997672 |
Turbocharger
A burst protector for a turbocharger covers a first endangered segment of the housing. The burst protector includes insulation, a first sheet, and a second sheet. As a supplement, a casing is...
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6986637 |
Stub axle
A stub shaft for a turbine engine is described in which respective masses are positioned along the stub shaft in a balanced rotation relationship for normal rotation. One mass is positioned at the...
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6979172 |
Engine blade containment shroud using quartz fiber composite
An engine fan containment shroud including a containment structure composed of a composite material including a reinforcing fiber having an elongation to break of at least about 3.6%. The preferred...
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6971841 |
Cellular materials
A structural member comprises a main body formed from a cellular material. The structural member may be a casing for a rotary assembly e.g. a fan of a gas turbine engine. The main body may...
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