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| Number | Title | Issue Date |
| 8047771 | Turbine nozzles and methods of manufacturing the same Turbine nozzles and methods of manufacturing the turbine nozzles are provided. In an embodiment, by way of example only, a turbine nozzle includes a first ring, a vane, and a first joint. The first ring comprises a single unitary component and having a first opening... | 11/01/2011 |
| 7874791 | Turbomachine A turbomachine (1), in particular a turbine or compressor, includes a rotor (2) which has at least one moving blade row (4) with a plurality of moving blades (5), and a stator (3) which has at least one guide vane row (6) wi... | 01/25/2011 |
| 7686576 | Method and apparatus for assembling gas turbine engines A method of operating a gas turbine engine includes forming at least one stator ring passage within at least a portion of a radially inner surface of a casing. The method also includes providing at least one stator ring segment that is sized to be inserted into the ... | 03/30/2010 |
| 7661924 | Method and apparatus for assembling turbine engines A method of assembling a stator assembly includes coupling at least one stator ring segment to a portion of a casing using at least one circumferential stator ring groove defined in the casing. The method also includes coupling at least one stator blade assembly to ... | 02/16/2010 |
| 7329087 | Seal-less CMC vane to platform interfaces A stator vane assembly for a gas turbine includes a ceramic matrix composite airfoil held between radially inner and outer metal platforms wherein an interface between the airfoil and at least one of the radially inner and outer platforms is shaped to create a circu... | 02/12/2008 |
| 7304940 | Network switch assembly, network switching device, and method A network switch assembly includes a first control entity, a second control entity, and at least one line blade. The first control entity is selectively configurable between an active state and a standby state. The second control entity is selectively configurable b... | 12/04/2007 |
| 7246995 | Seal usable between a transition and a turbine vane assembly in a turbine engine A seal usable to seal a transition in a can-annular combustion system of a turbine engine to a turbine vane assembly to direct exhaust gases through the turbine vane assembly. The seal may be formed from an elongated body extending along an outer edge of the transit... | 07/24/2007 |
| 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 |
| 7220100 | Crescentic ramp turbine stage A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Each platform includes a cr... | 05/22/2007 |
| 7195453 | Compressor stator floating tip shroud and related method A stator blade segment for a compressor includes an inner ring segment and an outer ring segment and a plurality of stator blades extending radially between the inner and outer ring segments, the stator blade secured to the outer ring at a shank portion of the blade... | 03/27/2007 |
| 7191665 | Support for a reflective target A support (1) for a reflective target to be mounted on a turbine casing, which is used in casing bending measurements. The support (1) comprises a tube (2), which was chosen to ensure a thermal expansion coefficient near zero at the operating te... | 03/20/2007 |
| 7186074 | Axial flow stream turbines A drum-type rotor carries an annular row of moving blades having root portions held within a slot in the periphery of the rotor. A turbine casing surrounds the rotor and carries a static blade assembly with an annular row of static blades which, together with the an... | 03/06/2007 |
| 7179054 | Flow reversal system for axial fan An axial fan has a blade support wheel coupled to a drive shaft. A disk is positioned about the drive shaft adjacent the wheel. A torsion spring is coupled to the wheel and to the disk. When the torsion spring is in tension, the disk is poised for a relative rotatio... | 02/20/2007 |
| 7164904 | Multiple-processor wireless mobile communication device A multiple-processor wireless mobile communication device is disclosed. A wireless mobile communication device includes a first processor with which software applications are configured to operate, a second processor configured to manage wireless communication opera... | 01/16/2007 |
| 7114917 | Vane assembly for a gas turbine engine An exhaust diffuser unit for a gas turbine engine includes an outer ring, a diffuser cone and vanes, all made from a ceramic matrix composite material. Each vane has end components which have apertures through which a metallic support strut extends. The support stru... | 10/03/2006 |
| 7052234 | Turbine vane collar seal A collar seal is configured for a turbine nozzle vane. The seal includes a retainer having a circumferential airfoil contour conforming with the airfoil contour of the vane. A flexible leaf is surrounded by the retainer and fixedly joined thereto. A woven sheath enc... | 05/30/2006 |
| 7025563 | Stator vane assembly for a gas turbine engine A low-pressure compressor exit stator assembly for a gas turbine includes a multiple of vanes mounted between a full hoop outer shroud and an inner shroud. The outer shroud and inner shroud are mounted to the intermediate case structure. A seal is located between th... | 04/11/2006 |
| 6957272 | Stackable lookup engines Multiple lookup engines stacked upon one another in a single data communication switch. The lookup engine at the top of the stack transmits its result to the neighboring downstream lookup engine which either validates and transmits the received result or its own res... | 10/18/2005 |
| 6932566 | Gas turbine shroud structure There is disclosed a gas turbine shroud structure comprising: a shroud support component 12 attached to an inner surface of a gas turbine casing 3; a shroud segment 14 divided in a peripheral direction and supported by the inner surface of the s... | 08/23/2005 |
| 6913442 | Apparatus for retaining an internal coating during article repair An internal coating on an internal passage wall exposed at a passage opening through an article external surface is protected from removal during repair of the article, including removal of at least a portion of an external coating, by a masking assembly disposed ab... | 07/05/2005 |
| 6896483 | Blade track assembly The clearances between an array of turbine blades and its surrounding blade track may be controlled by an expansion control material system supporting the blade tracks. The blade track support hoop is placed in tension by the expansion control material placed therei... | 05/24/2005 |
| 6547518 | Low hoop stress turbine frame support A gas turbine frame has inner and outer annular bands, respectively, joined together by generally radially extending struts therebetween. A radially outer conical support arm extends radially outwardly from the outer band and a radially inner conical supp... | 04/15/2003 |
| 6517313 | Segmented turbine vane support structure A segmented vane support structure for use in a gas turbine engine having an engine casing, includes a single piece inner ring and separated front outer and rear outer rings. The vane segments circumferentially abut to form a stator ring which is clamped ... | 02/11/2003 |
| 6398485 | Device for positioning of nozzles of a stator stage and for cooling of rotor discs in gas turbines A device for positioning of nozzles of a stator stage and for cooling of rotor discs in gas turbines, of the type including nozzle segments consisting of several airfoils. Each nozzle segment is connected at its top to an outer ring to define a chamber co... | 06/04/2002 |
| 5961278 | Housing for turbine assembly An outer housing for supporting a stator assembly in a gas turbine engine, wherein the support includes two outer ring sections between which the vane segments of the stator assembly are mounted to form a ring within the cylindrical support. A central rin... | 10/05/1999 |
| 5653580 | Nozzle and shroud assembly mounting structure The present nozzle and shroud assembly mounting structure configuration increases component life and reduces maintenance by reducing internal stress between the mounting structure having a preestablished rate of thermal expansion and the nozzle and shroud... | 08/05/1997 |
| 5634768 | Airfoil nozzle and shroud assembly An airfoil and nozzle assembly including an outer shroud having a plurality of vane members attached to an inner surface and having a cantilevered end. The assembly further includes a inner shroud being formed by a plurality of segments. Each of the segme... | 06/03/1997 |
| 5584652 | Ceramic turbine nozzle A turbine nozzle and shroud assembly having a preestablished rate of thermal expansion is positioned in a gas turbine engine and being attached to conventional metallic components. The metallic components having a preestablished rate of thermal expansion ... | 12/17/1996 |
| 5269651 | Guide vane ring of a turbine of a gas turbine engine A guide vane ring having guide vanes is provided on two rings which are arranged coaxially and radially at a distance from one another. These two rings are held on assigned housing sections which are subjected to thermally different expansions. One ring i... | 12/14/1993 |
| 5217347 | Mounting system for a stator vane A mounting system for a stator vane assembly is disclosed for mounting a vane and its cooling system to minimize the thermal and mechanical stresses imparted to the vane structure. Platforms are attached to opposite ends of the vane, which has a hollow in... | 06/08/1993 |
| 5004402 | Axial compressor stator construction A split casing (10) of low, coefficient of expansion material, has internal upstream facing slots (12). A semicircular shroud ring (16), of high coefficient of expansion material, carries the vanes (18), and has a tongue (20) sliding within casing slot (1... | 04/02/1991 |
| 4890978 | Method and apparatus for vane segment support and alignment in combustion turbines Methods and apparatus for vane segment alignment and support in a combustion turbine. The vane segment alignment device is comprised of a rotatable, eccentric bushing and pin which is inserted into a slot of the vane segment. The eccentric bushing is furt... | 01/02/1990 |
| 4889469 | A nozzle guide vane structure for a gas turbine engine A nozzle guide vane structure for a gas turbine engine in which the vane comprises an aerofoil portion and inner and outer platforms. The non gas-contacting surfaces of the platforms are provided with forward and rearward sealing flanges sealed to adjacen... | 12/26/1989 |
| 4883405 | Turbine nozzle mounting arrangement The invention comprises a turbine nozzle and nozzle support assembly in which a turbine nozzle support seating flange is positioned adjacent to a turbine nozzle mounting flange and pins are used to affix the turbine nozzle to the nozzle support. Retainer ... | 11/28/1989 |
| 4786234 | Turbine airfoil A turbine airfoil, such as a turbine blade or nozzle vane, is disclosed for use in a high temperature environment. The airfoil comprises a center post and at least one side piece. The side piece is attached to the center post so that, at room temperature,... | 11/22/1988 |
| 4759687 | Turbine ring incorporating elements of a ceramic composition divided into sectors A turbine ring comprises an annular support in two parts and a ring of ceramic sectors for sealing purposes. The two parts of the support are interconnected by an axial groove and a sliding male part. Each part comprises an axial annular groove in which i... | 07/26/1988 |
| 4756153 | Load transfer structure A load transference structure between a core engine and power turbine comprises a plurality of circumferentially spaced apart radially extending spoke members, each of which is attached at its radially inner extent to first and second axially spaced apart... | 07/12/1988 |
| 4730979 | Sensor guide tube assembly for turbine with clearance restoration adjustment A sensor guide tube for bridging a plenum between a turbine housing and a nozzle assembly includes an offset portion whose offset is substantially equal to half the distance which the nozzle assembly is displaced upstream for clearance restoration. After ... | 03/15/1988 |
| 4728258 | Turbine engine component and method of making the same To form a turbine engine component, metal airfoils are positioned in an annular array. Outer end portions of the airfoils are embedded in a wax outer shroud ring pattern and inner end portions of the airfoils are embedded in a wax inner shroud ring patter... | 03/01/1988 |
| 4679400 | Variable turbine vane support Means for axially attaching a variable turbine vane array to a combustor in a gas turbine engine is disclosed. The attachment means are configured so that substantially all of the axial load on the array is transmitted through the walls of the combustor.... | 07/14/1987 |
