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7389662 |
Method and apparatus for self indexing portable automated tenon peening
A self indexing portable automated tenon peening device including: a peening machine in operable communication with a mounting arm; a circumferential slide assembly including a circumferential rail...
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7387493 |
Impeller with widened blades
A rotary impeller assembly is for a fluid machine and includes a support member having an outer surface and blades connected to the support member. Each blade includes first and second integral...
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7377036 |
Methods for tuning fuel injection assemblies for a gas turbine fuel nozzle
A fuel nozzle assembly for a gas turbine includes a plurality of circumferentially spaced vanes with holes for flowing fuel from plenums within the vanes through holes in the vane walls for...
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7341431 |
Gas turbine engine components and methods of fabricating same
A method for fabricating a component for a gas turbine engine includes providing a blisk forging fabricated from a first material, inertia welding a second material to the blisk forging to create a...
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7320175 |
Production process of gas turbine
The invention provides a production process of a gas turbine capable of being applied to various cycles. A principal part of a gas turbine is set in advance based on roughly set conditions, and the...
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7278821 |
Methods and apparatus for assembling gas turbine engines
A gas turbine engine compressor including a stator assembly and a method of assembling the same are provided. The method includes providing a compressor casing including at least two stator vane...
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7260892 |
Methods for optimizing turbine engine shell radial clearances
A method facilitates the assembly of a stator assembly for a turbine engine. The method includes providing a cantilevered shell including a first end and a second end, and coupling a second member...
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7246419 |
Impeller clearance tool
A tool and method are provided for providing a predetermined clearance between an impeller and a shroud of a jet engine assembly, wherein the shroud has a mating surface, and the impeller and...
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7210909 |
Connection between bladed discs on the rotor line of a compressor
A first rotor piece includes a first ring provided with a succession of holes and notches. An assembly is formed by a second rotor piece fixed to a third rotor piece. The second piece ends...
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7191519 |
Method for the manufacture of a vaned diffuser
An improved method for manufacturing a vaned diffuser ( 101 ) of a turbocharger, preferably from aluminum or an aluminum alloy, where the vaned diffuser possesses at least one axis ( 115 ) suitable...
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7182577 |
Turbine rotor blade and turbine
A set of turbine rotor blades is arranged on a rotor disk. Each rotor disk has blade profile, root parts which is fitted axially in an axial disk groove formed circumferenctially in the rotor disk,...
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7156621 |
Blade fixing relief mismatch
A blade fixing and blade mounting slot arrangement for a gas turbine engine has a mismatch fit along a portion of the length of the blade fixing and slot where contact stress would otherwise be...
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7156609 |
Method of making complex twisted blades with hollow airfoil cross section and the turbines based on such
A reactive turbine, each blade of which approximates a helical shape that is constructed with readily available conventional manufacturing techniques. The blades are constructed in discrete...
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7125227 |
Process for manufacturing or repairing a monobloc bladed disc
A monobloc bladed disc and a process for manufacturing or repairing a monobloc bladed disc, where the process includes forming, on a protruding projection belonging to a disc and extending from an...
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7121803 |
Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge
A blade of an turbomachine having an airfoil with a leading edge and a root; a base attached to the root of the airfoil; a dovetail portion of the base engageable with disk; a slot in the base...
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7114927 |
Fixing method for the blading of a fluid-flow machine and fixing arrangement
A fixing method for blading of a fluid-flow machine, in which first of all the turbine blades ( 3 1 , 3 2 ) are inserted into the fastening slot ( 1 ) of a rotor ( 2 ) or stator until only the...
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7090466 |
Methods and apparatus for assembling gas turbine engine rotor assemblies
A method facilitates assembling a rotor assembly for gas turbine engine. The method comprises providing a first rotor blade that includes an airfoil, a platform, a shank and a dovetail, coupling...
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7051436 |
Method of distributing rotor blades in a turbomachine
A method of distributing the blades of a turbomachine rotor in which the radial and tangential static moments of a plurality of blades for making a rotor are initially measured, and then the blades...
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7028378 |
Method of shot blasting and a machine for implementing such a method
A part to be shot peened includes at least one thin wall ( 12 ″) defining two opposite main faces, the square root of the area of each face being greater than the mean distance between the two...
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7001152 |
Shrouded turbine blades with locally increased contact faces
A one-piece blade for a turbine section of a gas turbine engine, the blade comprising a root, an airfoil and a shroud. The shroud extends generally perpendicularly from a tip of the airfoil and is...
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6921014 |
Method for forming a channel on the surface of a metal substrate
A method for forming a channel within a coated, metal-based substrate is described. In one technique, a channel-forming material is first deposited on the substrate, followed by the deposition of a...
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6899522 |
Method for manufacturing a turbine wheel rotor
A method for connecting a wheel, such as a turbine wheel or compressor wheel, in a turbine wheel rotor. The method includes providing a shaft made of steel, and pouring a casting alloy around an...
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6884035 |
Fan blade attachment
A ceiling fan comprising a plurality of fan blades, each positioned in a slot of a corresponding bracket attached to a rotatable hub. For each fan blade, a brace connects a mid-section of the fan...
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6877956 |
Methods and apparatus for integral radial leakage seal
A method and apparatus for fabricating a rotor assembly for a turbine is provided. The method includes forming a cover on each bucket radial tip wherein the cover includes a leading edge side in a...
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6845558 |
Method of fabricating vanes
This is a method for fabricating non rotating stator vanes that can be configured into a fixed stator vane or dam by forming a plurality of circumferentially spaced vanes extending from the...
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6842980 |
Method for increasing heat transfer from combustors
A combustor for a gas turbine engine includes a deflector assembly that enhances heat transfer from the combustor and minimizes low cycle fatigue stresses induced within the combustor. The...
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6824356 |
Foreign material exclusion device
A device which can be utilized to temporarily seal substantially any opening on a turbine which is being assembled or repaired. The foreign material exclusion device includes a main body,...
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6789314 |
Apparatus and method for connecting shafts
An apparatus and method is provided for connecting two shafts which may be of dissimilar materials from each other. A stub shaft of ceramic material is attached to an impeller shaft via a support...
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6787740 |
Integrally bladed rotor airfoil fabrication and repair techniques
The present invention relates to a method for fabricating an integrally bladed rotor which comprises providing a hub section, preferably formed from a titanium based alloy, and welding an airfoil,...
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6786699 |
Methods of assembling airfoils to turbine components and assemblies thereof
Airfoils and grooves on the rotor or carrier for the airfoils have generally complementary dovetail shapes. The airfoils are installed in the grooves by sliding the bases of the airfoils along the...
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6773234 |
Methods and apparatus for facilitating preventing failure of gas turbine engine blades
A method enables a rotor assembly for a gas turbine engine to be fabricated. The method includes forming a blade including an airfoil extending from an integral dovetail used to mount the blade...
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6769877 |
Undercut leading edge for compressor blades and related method
A compressor blade includes an airfoil portion having a leading edge, a radially inner attachment portion, and a platform between the airfoil portion and the attachment portion, wherein material is...
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6763560 |
Spreader for separating turbine buckets on wheel
A bucket spreading tool is disclosed for separating covers of adjacent turbine buckets, the tool includes: an arm for extending a head of the tool between adjacent turbine wheels and for...
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6751863 |
Method for providing a rotating structure having a wire-arc-sprayed aluminum bronze protective coating thereon
A rotating structure of a gas turbine engine is provided by furnishing a rotor disk comprising a hub with a plurality of hub slots in a periphery of the hub, each hub slot having a hub slot...
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6732910 |
Device and process for producing a soldered joint between two joining partners which can be by means of a common contact surface
A device for producing a soldered joint between two joining partners which can be joined via a common contact surface ( 7 ), using a solder material which can be introduced between the two joining...
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6725541 |
Flow directing element and a method of manufacturing a flow directing element
A thrust reverser cascade flow directing element ( 28 ) for a gas turbine engine ( 10 ) comprises a plurality of plates ( 30 ) and a plurality of flow directing vanes ( 40 ). At least one vane ( 40...
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6687994 |
Method for the manufacture of a welded rotor of a fluid-flow machine
Method for manufacturing a rotor of a fluid flow machine, including: connecting rotor disks with radial welds to form a hollow passage running around the rotor axis and interrupting the welds such...
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6685429 |
Prestressing of components
A method of prestressing a component ( 30 ) includes the use of an electrical discharge or current to produce a plasma ( 39 ) within a medium ( 32 ) located adjacent the component ( 30 ). The...
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6676004 |
Tool for friction stir welding
A friction stir welding tool for welding high-strength materials with one or more of the following features: 1) a curved transition geometry structure at the shoulder face and probe interface; 2) a...
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6666653 |
Inertia welding of blades to rotors
A method for manufacturing an integrally bladed rotor includes fixturing a plurality of blade blanks having radially inwardly facing blade conical surfaces into a segmented blade ring assembly...
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6655919 |
Method for assembling a pelton turbine wheel
The invention concerns a method which consists in: pre-positioning, in a housing ( 7 ) of a flange ( 5 ), a bucket ( 2 ) supported by part ( 23 ) of its outer surface ( 23 ) against an edge ( 71 )...
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6647602 |
Fixation device for blading of a turbo-machine
Described is a fixation device for blading of a turbo-machine, in which, longitudinally to a mounting groove ( 1 ), a plurality of blades ( 31, 32 ) is positioned, and in which, between at least...
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6640437 |
Method for installing stator vanes
A method for installing stator vanes comprises the steps of installing a first rotor assembly within a case, placing a first inflatable tool over a portion of the first rotor assembly, positioning...
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6619924 |
Method and system for replacing a compressor blade
A blade assembly is provided for installation in a rotor wheel slot having a slot neck in communication with a slot base cavity having first and second slot flank walls and a slot floor. The blade...
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6606892 |
Apparatus for automated peening of tenons connecting turbine buckets and cover plates
An automatic machine for peening the tenons on bucket cover plates to secure the cover plates and adjacent buckets of a turbine wheel to one another is provided. The machine includes a fixture...
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6604285 |
Method and apparatus for electronically determining nozzle throat area and harmonics
A method of determining the throat area between adjacent airfoils in a nozzle set among a plurality of nozzle sets of a machine involves providing a plurality of inspection points on a suction side...
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6592330 |
Method and apparatus for non-parallel turbine dovetail-faces
A dovetail assembly including non-parallel relief faces that facilitates reduced pressure face brinelling in turbine engines. The assembly includes a plurality of rotor blades, each including a...
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6553665 |
Stator vane assembly for a turbine and method for forming the assembly
Turbine vane segments having outer and inner bands and a vane extending therebetween are welded one to the other by E-beam welding along their adjoining margins and from the outside of the bands....
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6536109 |
Method for extending the life of attachments that attach blades to a rotor
A method for extending the life of the attachments that attach blades to rotors, particularly for aerojet engines. Such a method is notable in that it employs intensive ultrasonic peening of the...
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6526657 |
Methods for automated peening of tenons connecting turbine buckets and cover plates
An automatic machine for peening the tenons on bucket cover plates to secure the cover plates and adjacent buckets of a turbine wheel to one another is provided. The machine includes a fixture...
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