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7628578 |
Vane assembly with improved vane roots
A vane for a vane assembly of a gas turbine engine includes a vane root connected to the airfoil portion opposite a tip thereof. The vane root includes a platform and a button portion...
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7530782 |
Foreign object damage resistant vane assembly
A vane assembly for a gas turbine engine including a shroud with openings defined about a circumference of the shroud and vanes extending radially from the shroud with a vane tip in each opening....
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7413400 |
Vane assembly with grommet
A vane assembly for a gas turbine engine including a shroud ring with openings and isolating arrangement isolating a vane extremity within each opening, the isolating arrangement cooperating to...
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7410345 |
Turbine nozzle retention key
A retaining key for a turbine nozzle includes a key body having top and bottom surfaces, a pair of sides and a pair of ends including a forward end having a pair of horizontal shoulders on opposite...
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7290983 |
Turbine, fixing device for blades and working method for dismantling the blades of a turbine
A turbine and a method for dismantling a blade of a turbine. A turbine includes a rotor that extends in an axial direction and an accessible combustion chamber, which communicates with an annular...
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7284955 |
Fitting of distributor sectors in an axial compressor
This present invention concerns an axial gas turbine engine compressor which includes a casing and a distributor wheel composed of a multiplicity of sectors in arcs of circles, with radial stator...
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7238003 |
Vane attachment arrangement
A simplified vane mounting arrangement by which a vane ring can be pre-assembled to an inner support ring before being installed in an outer casing.
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7210901 |
Assembly of sectors of a dispensing unit in a gas turbine
The retaining hooks ( 32 ) of a flange ( 22 ) of straightening sectors ( 20 ), bearing fixed blades in a turbomachine, are advantageously placed on an end plate ( 30 ) distinct from the casing ( 21...
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7070387 |
Gas turbine stator housing
A housing including an outer casing provided with bearer hooks for stator rings and sealing rings. The hooks are discontinuous angularly and joined to a casing by tenon and mortise assemblies. The...
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7048504 |
Machine stator and mounting and dismounting methods
A machine stator and assembly and disassembly methods. The elements of a casing portion are formed of consecutive shells in line with grooves configured to house roots of guide vane stages that are...
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7018173 |
Device for stopping in rotation a fixed blade bearing sector in a gas turbine casing
A device for stopping rotation of a fixed blade bearing sector in a gas turbine casing. Sectors of synchronizing ring blades are maintained against tangential rotational movements by sliding into...
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6935837 |
Methods and apparatus for assembling gas turbine engines
A method enables a gas turbine engine including a first rotor assembly and a second rotor assembly coupled in axial flow communication downstream from the first rotor assembly to be assembled. The...
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6863497 |
Stator vane span attachment for a gas turbine
A stator vane span attachment for a gas turbine having a casing 1 in which several stator vane spans 2 are located, wherein means 3 are provided for restraining the stator vane spans 2 ...
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6672833 |
Gas turbine engine frame flowpath liner support
An annular hanger for supporting an annular wall element from a gas turbine engine annular outer casing is circumscribed about a centerline extending in opposite first and second axial directions...
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6652229 |
Leaf seal support for inner band of a turbine nozzle in a gas turbine engine
A turbine nozzle assembly for a gas turbine engine, including: a plurality of segments joined together to form an outer band; a plurality of segments joined together to form an inner band; at least...
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6626641 |
Nozzle for turbine
A steam turbine of the type which incorporates a turbine case defining a plurality of passages having outlets opening through an inside end wall of the turbine case in a direction generally...
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6296443 |
Vane sector seating spring and method of retaining same
A seating spring is provided for a gas turbine engine compressor stator having a casing with a circumferential casing slot for mounting a plurality of vane sectors at outer bands thereof. The...
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6241471 |
Turbine bucket tip shroud reinforcement
A turbine bucket tip shroud is reinforced by introducing a reinforcing material such as a ceramic-matrix composite as reinforcing rods or bars into the casting of the tip shrouded turbine bucket,...
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6179555 |
Sealing of T.O.B.I feed plenum
The invention provides a novel sealing device and plenum assembly particularly adapted for forming a plenum inwardly of a circumferential stator blade array in a gas turbine engine. A Tangential On...
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6179560 |
Turbomachinery module with improved maintainability
The invention is a turbomachinery module (10) whose forwardmost vanes, which are the most damage susceptible vanes in the module, are easily removable and replaceable without substantial...
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6164908 |
Sealing structure for first stage stator blade of gas turbine
A gas turbine first-stage stator blade sealing structure for preventing the sealing air from leaking from the inside even if the blade falls or inclines due to thermal stress. A rear flange (12) of...
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6062813 |
Bladed rotor and surround assembly
A bladed rotor and surround assembly comprising an annular casing, a bladed rotor element that is rotatable about an axis concentrically within the casing, and an annular shroud liner. The shroud...
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6059525 |
Low strain shroud for a turbine technical field
The flow path shroud includes a plurality of generally channel-shaped shroud segments having forward and rearward rails interconnected by a flow path section along radial innermost portions of the...
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5984633 |
Guide device for a turbine with a guide-blade carrier and method for producing the guide device
A guide device for a turbine with a guide-blade carrier installed in a turbine housing, preferably the housing of a steam turbine, and equipped with guide blades, includes positioning elements for...
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5846050 |
Vane sector spring
A seating spring is provided for a compressor stator having a radially outer casing with a circumferential casing slot for mounting a plurality of circumferentially adjoining vane sectors at outer...
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5788456 |
Turbine diaphragm assembly and method thereof
A turbine diaphragm assembly includes inner and outer endwall rings, nozzle vanes each with a tenon extending outwardly from one end, and inner and outer retaining rings. The inner and outer...
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5618161 |
Apparatus for restraining motion of a turbo-machine stationary vane
A stationary vane assembly for a turbo-machine in which the vane is restrained against motion in the circumferential direction by first and second locking pins. The second locking pin extends...
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5584654 |
Gas turbine engine fan stator
A fan stator includes a split outer casing having a pair of outer rails, and a pair of key slots disposed at a splitline thereof. A plurality of standard stator vanes have outer platforms and hooks...
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5564897 |
Axial turbo-machine assembly with multiple guide vane ring sectors and a method of mounting thereof
The invention relates to a method and a device for mounting an axial turbo-machine, preferably a low-pressure compressor for a gas turbine, constructed without a parting line with a whole or...
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5462403 |
Compressor stator vane assembly
The arcuate vane support segments (26) each carry a plurality of vanes (28) and have a pair of axially extending feet (38). These feet do not slide axially into a groove, but move radially against...
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5320487 |
Spring clip made of a directionally solidified material for use in a gas turbine engine
The present invention discloses a spring clip made of a directionally solidified nickel-base superalloy for use in a high pressure compressor stator sub-assembly of a gas turbine engine. The spring...
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5259727 |
Steam turbine and retrofit therefore
A steam turbine with replaceable nozzle portions including a replacement ring element welded to the remaining portion of the original turbine, the replacement ring element having a groove seat with...
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5236303 |
Gas turbine engine structural frame with multi-clevis ring attachment of struts to outer casing
A structural frame component for use in a gas turbine engine having an outer casing includes an annular inner central hub, a plurality of circumferentially-spaced struts attached at their inner...
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5232340 |
Gas turbine engine stator assembly
A gas turbine engine stator assembly includes an annular casing, a stator nozzle segment, and a shroud joined therewith. The nozzle segment includes an outer band having a forward hook joined to a...
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5224822 |
Integral turbine nozzle support and discourager seal
The invention comprises the use of a thermal barrier coating on a member of a gas turbine engine component with one surface of the member exposed to high temperature but not exposed to high...
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5211536 |
Boltless turbine nozzle/stationary seal mounting
The invention comprises the use of a split retaining ring cooperating with an inner nozzle support member to retain nozzle segments and a stationary seal without the use of threaded fasteners....
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5176496 |
Mounting arrangements for turbine nozzles
An inventive turbine nozzle attachment comprises a nozzle mount having a radial and tangential load carrying hook and a radial load carrying land. The nozzle hook fits onto a stud in a stationary...
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5156525 |
Turbine assembly
A turbine assembly includes a unitary rotor spool having first and second rotor discs. A set of first blades having axial entry dovetails are joined to the first disc, and a set of second blades...
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5149248 |
Apparatus and method for adapting an enlarged flow guide to an existing steam turbine
A mounting ring is provided which adapts an oversized exhaust flow guide to the existing inner cylinder of a steam turbine. The mounting ring is comprised of six arcuate segments which allow the...
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5141394 |
Apparatus and method for supporting a vane segment in a gas turbine
An apparatus and method are provided for aligning and supporting vane segments in the turbine section of a gas turbine. According to the invention, the vane segments are supported and aligned to an...
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5127793 |
Turbine shroud clearance control assembly
The clearances between an array of high pressure turbine blades and its surrounding high pressure turbine shroud as well as the clearances between an array of low pressure turbine blades and its...
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5110256 |
Methods and apparatus for attaching a flow guide to a steam turbine for retrofit of longer rotational blades
Improved methods and apparatus for retrofitting longer last row rotational blade assemblies in steam turbines are disclosed. The apparatus of the present invention permits the exhaust flow guide to...
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5074749 |
Turbine stator for a turbojet, and method of manufacture
The stator is made of ceramic matrix composite material and comprises: a bladed hub carrying blades with a radially projecting finger at the end of each blade; and two toothed rings having teeth...
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5062767 |
Segmented composite inner shrouds
A shroud for supporting the vanes in the hot sections of a gas turbine engine is comprised of composite segments retained in a metal ring. The metal ring has a positive coefficient of expansion,...
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5000659 |
Temporary locking system for variably settable stator blades
In a turbomachine, such as a turboshaft aero-engine, having a compressor casing composed of upstream and downstream casing rings, and a variably settable stage of stator blades which is mounted in...
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4985992 |
Method of making stator stages for compressors and turbines, and stator vanes and vane arrays produced thereby
A stator vane array is made by cutting vane blanks from a machined linear bar having a predetermined trapezoidal section using a wire tool electroerosion machine, the blanks being cut to an outline...
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4957412 |
Apparatus and method for supporting the torque load on a gas turbine vane
A gas turbine of the type having turbine vanes retained in a cylinder and utilizing torque pins to transmit the torque load on the vanes to the cylinder is provided with improved structure for...
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4907944 |
Turbomachinery blade mounting arrangement
An improved blade mounting arrangement for a gas turbine engine with a turbine and an annular flowpath therethrough is disclosed. The improvement comprises a one-piece outer casing and a one-piece...
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4904156 |
Screwed attachment of a body of revolution to an annular flange in a turbine engine
An annular fairing forming a bolt guard associated with the heads of screws of an attachment carries, inside thereof and in line with each screw, first cylindrical sockets each comprising two...
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4900223 |
Steam turbine
A steam turbine has an outer blade ring supporting a row of stationary blades and an adjacent downstream row of long rotatable blades. The outer blade ring has a generally conical flow-guiding...
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