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| Number | Title | Issue Date |
| 8038389 | Method and apparatus for assembling turbine nozzle assembly A turbine nozzle assembly and a method for assembling the turbine nozzle assembly with respect to a combustor of a gas turbine engine are provided. The method includes coupling a radial outer retaining ring to an aft end of the combustor. A plurality of turbine nozz... | 10/18/2011 |
| 7976274 | Methods and apparatus for assembling turbine engines A method facilitates the assembly of a gas turbine engine. The method of assembly comprises providing a turbine nozzle including an inner band, an outer band, at least one vane extending between the inner and outer bands, and at least one leading edge fillet extendi... | 07/12/2011 |
| 7914255 | Apparatus and method of diaphragm assembly A method facilitates assembling a diaphragm assembly for a steam turbine. The method includes forming at least one opening within a radially outer band and forming at least one opening within a radially inner band. The method further includes coupling at least one p... | 03/29/2011 |
| 7762766 | Cantilevered framework support for turbine vane A support for the first row turbine vanes (12) in a gas turbine engine, the support including a support framework (18). The support framework (18) includes an outer vane carrier (34), and an inner vane carrier (36) connected to the... | 07/27/2010 |
| 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 form a continuous gas path surface completely covering at least an axial... | 08/19/2008 |
| 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 sides of a center rib, the shoulders located substantially midway be... | 08/12/2008 |
| 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 hot-gas conduit, in which a plurality of blades that form a blade row ... | 11/06/2007 |
| 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 blades fixed to an external platform, characterised by the fact that t... | 10/23/2007 |
| 7278822 | Turbomolecular pump A turbomolecular pump includes a plurality of rotor and stator discs arranged alternatively one behind another and producing together a pumping effect, a plurality of spacer rings for retaining the stator discs at a distance from each other; and connection elements ... | 10/09/2007 |
| 7249463 | Aerodynamic fastener shield for turbomachine A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced fasteners. The fastener shield has a radially-extending, downstream-facing mounting fl... | 07/31/2007 |
| 7241104 | Two phase flow conditioner for pumping gassy well fluid A centrifugal pump pumps well fluid with a high gaseous content by conditioning the well fluid with a conditioning impeller and conditioning diffuser design for use with gaseous well fluid. The conditioning impellers have vanes that are curved with a leading edge th... | 07/10/2007 |
| 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. ... | 07/03/2007 |
| 7234920 | Turbine casing having refractory hooks and obtained by a powder metallurgy method A turbine stator casing comprising a jacket and fastener hooks for fastening a turbine distributor nozzle, the hooks projecting from the inside face of the jacket, said jacket being made of a first alloy by hot isostatic compression using metal powder, said fastener... | 06/26/2007 |
| 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) but assembled on the latter. In this way,... | 05/01/2007 |
| 7207773 | Steam turbine nozzle box A nozzle box includes a torus, bridge ring and nozzle ring portions wherein steam flowing generally circumferentially in the torus portion is redirected for flow generally axially by the bridge ring portion. The steam exiting the bridge ring portion flows into nozzl... | 04/24/2007 |
| 7179052 | Assembly type nozzle diaphragm, and method of assembling the same A nozzle diaphragm assembly includes a diaphragm outer ring having a groove opened toward an inner diameter side to be continuous in an inner peripheral direction; a diaphragm inner ring having a groove opened toward an outer diameter side to be continuous in an out... | 02/20/2007 |
| 7140835 | Corner cooled turbine nozzle A turbine nozzle includes a hollow vane joined to opposite inner and outer bands. The inner band includes a forward lip under the leading edge of the vane, an aft lip under the trailing edge of the vane, and a mounting flange spaced therebetween. An impingement bore... | 11/28/2006 |
| 7117983 | Support apparatus and method for ceramic matrix composite turbine bucket shroud A shroud support apparatus for a ceramic component of a gas turbine having: an outer shroud block having a coupling to a casing of the gas turbine; a spring mass damper attached to the outer shroud block and including a spring biased piston extending through said ou... | 10/10/2006 |
| 7100358 | Turbine exhaust case and method of making A structural turbine exhaust case of a gas turbine engine, comprises inner and outer case portions; a bearing housing connected to the inner case portion for supporting a main spool of the gas turbine engine; and a plurality of airfoils extending between the inner a... | 09/05/2006 |
| 7094025 | Apparatus and methods for removing and installing a selected nozzle segment of a gas turbine in an axial direction Nozzle segments are secured to a retention ring against circumferential rotation by anti-rotation pins extending generally axially between the outer bands of the nozzle segments and the retention ring. Retention plate segments overlie the ends of the pins, preventin... | 08/22/2006 |
| 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 hooks and the casing may therefore be made in different materials, th... | 07/04/2006 |
| 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 fixed in place by springs and pins for stopping rotation. The elemen... | 05/23/2006 |
| 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 grooves of a casing by pins passing through perforations in an extensi... | 03/28/2006 |
| 7013652 | Gas turbo set A gas turbo set comprises a compressor, combustion chamber and turbine, a common rotor shaft having arranged on it, within the compressor, a plurality of rows of compressor moving blades and, within the turbine, a plurality of rows of turbine moving blades, which al... | 03/21/2006 |
| 6957948 | Turbine blade attachment lightening holes The present invention seeks to provide a turbine blade with increased creep capability for both uncooled and cooled turbine blades while generally maintaining operating stress levels at an interface region between the turbine blade and a turbine disk. A turbine blad... | 10/25/2005 |
| 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 method comprises coupling an upstream end of an extension duct to an ... | 08/30/2005 |
| 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 against the casing 1. ... | 03/08/2005 |
| 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 and has an annular first hook extending in the first axial ... | 01/06/2004 |
| 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 one airfoil positioned between the outer and inner bands;... | 11/25/2003 |
| 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 parallel to the turbine shaft, with nozzles positioned over the o... | 09/30/2003 |
| 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 seating spring has at least one reaction tab configured to abut... | 10/02/2001 |
| 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, to provide resistance to creep deformation. By reducing cre... | 06/05/2001 |
| 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 Board Injection plenum (T.O.B.I.) is defined by assembly ... | 01/30/2001 |
| 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 disassembly of the module. The module includes a case (12) and a for... | 01/30/2001 |
| 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 a first-stage stator blade (31) is formed in an arcuate s... | 12/26/2000 |
| 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 liner, typically made up of an annular array of circumferen... | 05/16/2000 |
| 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 rails. The volume bounded by the forward and rear rails an... | 05/09/2000 |
| 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 positioning and fastening the guide blades to the guide-bl... | 11/16/1999 |
| 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 bands thereof. The seating spring includes a reaction tab ... | 12/08/1998 |
| 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 endwall rings each have inner and outer radial surfaces and a pl... | 08/04/1998 |
