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| Number | Title | Issue Date |
| 8157517 | Boltless multi-part diaphragm for use with a centrifugal compressor A diaphragm assembly of a centrifugal compressor includes a return channel wall having a generally ring-like shape; a vane assembly having a plurality of vanes formed integrally with at least one ring-shaped track having a rail structure extending therefrom; and a d... | 04/17/2012 |
| 8133018 | High-pressure turbine of a turbomachine A high-pressure turbine of a turbomachine, including at least one upstream guide vane element and an impeller mounted so as to rotate inside ring sectors attached to an annular support which is suspended from an outer casing, the upstream guide vane element includin... | 03/13/2012 |
| 8092165 | HP segment vanes A stator vane segment, for constructing a circumferential array of like segments in a gas turbine engine, each segment in the array being separated by an axially extending joint from an adjacent segment and being releasably mounted to an outer engine casing. Each st... | 01/10/2012 |
| 8092166 | Fan A fan assembly for creating an air current is described. The fan assembly includes a nozzle mounted on a base housing a device for creating an air flow through the nozzle. The nozzle includes an interior passage for receiving the air flow from the base, a mouth thro... | 01/10/2012 |
| 8052385 | Blade outer seal assembly An outer seal assembly of a turbine rotor stage is secured within a circumferential groove of the turbine casing in such a manner as to both fix the outer seal assembly in its installed position and also provide for sealing around its outer periphery so as to thereb... | 11/08/2011 |
| 7985046 | Repair of industrial gas turbine nozzle diaphragm packing A technique for refurbishing nozzle diaphragm sections of a gas turbine replaces an eroded section of the nozzle diaphragm with a replacement part designed to engage a slot machined in the nozzle diaphragm. The replacement part is formed of a material with capable o... | 07/26/2011 |
| 7887291 | Support bar with adjustable shim design for turbine diaphragms A support arrangement for a diaphragm segment in a turbine casing that includes: 1) a support bar joined to a diaphragm segment; 2) a turbine casing comprising a vertical wall and a horizontal shoulder, wherein a portion of the horizontal shoulder underlies the supp... | 02/15/2011 |
| 7828521 | Turbine module for a gas-turbine engine A turbine module for a gas turbine engine includes at least an annular distributor and a turbine rotor inside a casing, where the annular distributor includes a plurality of elements in the form of a ring sector, of which a first part supports fixed blades positione... | 11/09/2010 |
| 7780407 | Rotary machines and methods of assembling A rotary machine and a method of assembling a rotary machine having a casing extending at least partially around a rotor are provided. The method includes providing a diaphragm patch ring. The method also includes assembling a diaphragm assembly by configuring a dia... | 08/24/2010 |
| 7758307 | Wear minimization system for a compressor diaphragm Aspects of the invention relate to a system for reducing relative movement between the outer shroud of a compressor diaphragm and the compressor shell of a turbine engine, thereby minimizing the wear and prolonging the life of such parts. Embodiments of the inventio... | 07/20/2010 |
| 7654794 | Methods and apparatus for assembling steam turbines Method and apparatus for assembling steam turbines are provided. The method of assembling a steam turbine includes providing an annular outer member, providing an annular inner member, coupling a plurality of airfoils to the inner member with a plurality of generall... | 02/02/2010 |
| 7419355 | Methods and apparatus for nozzle carrier with trapped shim adjustment Methods and apparatus for a machine casing component carrier configured to support a machine component such that the longitudinal axis of the machine component is adjustable with respect to a longitudinal axis of a rotatable member of the machine are provided. The c... | 09/02/2008 |
| 7374398 | Automotive compressor An automotive compressor is provided having a casing defining an intake section for fluid for compression, and a delivery section for delivering the compressed fluid. An impeller is movable angularly inside the casing to increase the pressure of the fluid. A distrib... | 05/20/2008 |
| 7329098 | Adjustable support bar with adjustable shim design for steam turbine diaphragms A support arrangement for a turbine diaphragm segment in a split turbine casing includes a semi-annular diaphragm segment having a horizontal joint surface; a support bar joined to the diaphragm segment adjacent the horizontal joint surface, the support bar formed w... | 02/12/2008 |
| 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 |
| 7329090 | Spring clamping clip The use of spring clamping clips between two adjacent guide vane shafts leads to a defined force on the bearing points of the guide vane in the guide bush. The seating force, resulting from the clamping force and the flow-related lift/drift forces, of the guide vane... | 02/12/2008 |
| 7306428 | Gas turbine with running gap control A gas turbine with several shroud segments (1) which enclose rotor blades (3) of a turbine wheel (5) as a seal, with the shroud segments (1) having at least a front and a rear attachment at the radially outward area of stator vane segment... | 12/11/2007 |
| 7290982 | Arrangement for the attachment of distributor sectors supporting vanes around an arc of a circle The distributor sectors (25) of a turbomachine are secured adjacent to a casing (31) with sealing sectors (32) alternating with them in the axial direction. The distributor sectors (25) are provided with force resistant faces (37; 39 | 11/06/2007 |
| 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 |
| 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 casing rails extending from the casing, coupling a rail liner within ea... | 10/09/2007 |
| 7270512 | Stacked steampath and grooved bucket wheels for steam turbines The steampath for a steam turbine includes stacked stator rings each mounting inwardly directed nozzles and stacked rotor wheels each mounting outwardly directed buckets mounting blades. By alternately stacking the stator rings and rotor wheels, the nozzles and buck... | 09/18/2007 |
| 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 |
| 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 |
| 7229245 | Vane platform rail configuration for reduced airfoil stress A vane assembly for a gas turbine engine is disclosed having lower thermally induced stresses resulting in improved component durability. The stresses in the vane assembly airfoils are lowered by increasing the flexibility of the vane platform and reducing their res... | 06/12/2007 |
| 7172389 | Method for making a repaired turbine engine stationary vane assembly and repaired assembly A method is provided for making a repaired turbine engine stationary vane assembly including at least one airfoil bonded between spaced apart first and second platforms. The method comprises providing a first vane assembly member including at least a portion of the ... | 02/06/2007 |
| 7172388 | Multi-point seal A spring seal for sealing a gap defined between first and second gas turbine engine components. The spring seal has a grasping portion for graspingly receiving a portion of the first component, and a spring loading portion adapted to extend between the first and sec... | 02/06/2007 |
| RE39479 | Durable turbine nozzle A turbine nozzle includes a plurality of vanes joined at opposite ends to outer and inner bands. The inner band has a forward hook which is segmented to reduce thermal mismatch. And, in additional embodiments the vane includes an impingement baffle having preferenti... | 01/23/2007 |
| 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 registration with the rail on one side, an inner retainer segment se... | 01/09/2007 |
| 7144218 | Anti-rotation lock An anti-rotation lock for preventing circumferential movement of a stator segment in relation to a split case to which it is mounted is disclosed. A racetrack shaped pocket, disposed within the case and proximate the stator segment, is suitably sized to receive a lu... | 12/05/2006 |
| 7121789 | Arrangement for mounting a non-rotating component An arrangement 22 for mounting a non-rotating component 28 of a gas turbine engine 10, defining a portion of a gas path of the gas turbine engine 10 comprising: a non-rotating component 28 having an opening 23 to a receptacl... | 10/17/2006 |
| 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 |
| 7114920 | Shroud and vane segments having edge notches Random air flow leakage between a shroud assembly and a stator vane assembly into the gas path of a gas turbine engine due to manufacturing tolerance stack-up is reduced by providing notches to inhibit interference caused by misalignment and/or mismatch of adjacent ... | 10/03/2006 |
| 7114922 | Turbine shell jacking pockets A system and method for easily separating upper and lower turbine shells involves forming elongated access pockets vertically aligned across the upper and lower turbine shells and at multiple locations on the turbine shells. Telescoping hydraulic rams are placed int... | 10/03/2006 |
| 7112042 | Turbine nozzle support structure A turbine nozzle support structure supports a ceramic turbine nozzle provided with a flange and disposed at the inlet of a turbine on a nozzle support. Force-multiplying mechanism presses the flange of the turbine nozzle against a nozzle support to support the turbi... | 09/26/2006 |
| 7101144 | Steam turbine rotor, steam turbine and method for actively cooling a steam turbine rotor and use of active cooling The proposed steam turbine rotor extends along an axial extent and includes: an outer side which adjoins an outer space which is intended to receive a main flow of a fluid working medium, a first location along the outer side, at which a first blade is held, a secon... | 09/05/2006 |
| 7097420 | Methods and apparatus for assembling gas turbine engines A method of assembling a gas turbine engine includes providing a plurality of stator vane sectors that each include an equal number of stator vanes that are circumferentially-spaced such that a first circumferential spacing is defined between each pair of adjacent s... | 08/29/2006 |
| 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 |
| 7094026 | System for sealing an inner retainer segment and support ring in a gas turbine and methods therefor Arcuate seal layers conforming with one another are disposed between inner retainer segments and inner rails of nozzle segments of a gas turbine. The layers are secured to the aft axial face of the segments and project radially outwardly to seal against the forward ... | 08/22/2006 |
| 7082771 | Combustion chamber A combustion chamber (4) of a gas turbine (1), the combustion space (24) of which is bounded by an annular combustion chamber inner wall (28) and a combustion chamber outer wall (26), in which in order to generate a working medium ... | 08/01/2006 |
