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| Number | Title | Issue Date |
| 8177502 | Vane with reduced stress An airfoil assembly is described comprising an airfoil, a band coupled to the airfoil for providing at least a portion of support for the airfoil in the airfoil assembly and a slot capable reducing stress in the airfoil wherein the slot is located in the band near a... | 05/15/2012 |
| 8147191 | Damping device for turbomachine stator A turbomachine stator forming a stator vane ring or upstream guide vane element including a plurality of vanes placed radially between a first inner ring and a second outer ring is disclosed. The two rings are concentric and the second ring has a cylindrical outer s... | 04/03/2012 |
| 8147192 | Dual stage turbine shroud A turbine shroud includes a shroud hanger having an arcuate panel from which three inner hooks extend inwardly, and from which two outer hooks extend outwardly therefrom. The two outer hooks effect a statically determinate configuration of the shroud. ... | 04/03/2012 |
| 8133019 | Discrete load fins for individual stator vanes An exemplary embodiment of the invention is directed to a turbine engine having a circumferential casing with a circumferentially extending slot formed in an inner wall. A radially inwardly facing fin-ring is disposed in the slot and has a radially inwardly projecti... | 03/13/2012 |
| 8100644 | Sealing a rotor ring in a turbine stage A turbine stage in a turbomachine is disclosed. The stage includes a wheel mounted in a ring carried by a turbine casing, and a nozzle situated upstream from the wheel and including an annular fastener rim for fastening to the turbine casing, sealing being provided ... | 01/24/2012 |
| 8075264 | Blade angle setting for a turbomachine A straightener blade for a turbomachine, comprising a platform arranged at a radially external end of the blade and adapted to be engaged in a annular groove of a housing, and a threaded rod radially extending outwardly from the platform and adapted to pass through ... | 12/13/2011 |
| 8075265 | Guiding device of a flow machine and guide vane for such a guiding device A guide device for a turbomachine, particularly a steam turbine, with a guide vane ring and a plurality of guide vanes which are fastened to the guide vane ring so as to be distributed along the circumference of the guide vane ring. The guide vane ring has a groove,... | 12/13/2011 |
| 8070431 | Fully contained retention pin for a turbine nozzle A retention pin for fastening retaining lugs of an outer sidewall, of a turbine nozzle, within a groove between a forward land and an aft land of a retaining ring. The retention pins fit through coaxial holes in the lug and the lands, securing the radial and circumf... | 12/06/2011 |
| 8057170 | Intermediate casing for a gas turbine engine An intermediate casing for use in a gas turbine engine comprises inner and outer casing walls 2, 4, a support plate 6, supporting an axial end of each of the casing walls 2, 4, a splitter 8, and an array of vanes 10. At least one o... | 11/15/2011 |
| 8047778 | Method and apparatus for insuring proper installation of stators in a compressor case Disclosed herein is a compressor case assembly that includes a compressor case section having an assembly track and a set of stator portions that are insertable in the assembly track, the compressor case section and the set of stator portions are configured such tha... | 11/01/2011 |
| 7959408 | Device for attaching a stator vane to a turbomachine annular casing, turbojet engine incorporating the device and method for mounting the vane The present invention relates to a device for attaching a turbomachine stator vane in an annular casing (20) of the turbomachine, the vane comprising a tip formed of a platform (14) with two edges (141, 142), one of them forming an upstream edge... | 06/14/2011 |
| 7862296 | Turbine vane securing mechanism A turbine vane attachment system configured to eliminate movement of a turbine vane relative to a turbine vane carrier. The turbine vane attachment system may include a base attached to a turbine airfoil. The base may be configured to contact a wedge support along a... | 01/04/2011 |
| 7857584 | Stator vane with localized reworking of shape, stator section, compression stage, compressor and turbomachine comprising such a vane The invention relates to a novel reworking of a geometric shape of a stator vane in order locally to reduce the stress levels. It proposes a novel type of stator section in which a local reworking of the geometry of the vanes has been performed, this reworking makin... | 12/28/2010 |
| 7850425 | Outer sidewall retention scheme for a singlet first stage nozzle An outer sidewall retention scheme for a singlet first stage nozzle of a gas turbine. The retention scheme includes a circumferential retaining ring with a main body and a pair of circumferential retaining lands projecting inward radially. A circumferential annular ... | 12/14/2010 |
| 7806655 | Method and apparatus for assembling blade shims A method for assembling a stator assembly for a turbine engine is provided. The method includes providing a blade with a base including an end wall having at least one hole defined therein and providing a shim having at least one aperture extending therethrough. The... | 10/05/2010 |
| 7798775 | Cantilevered nozzle with crowned flange to improve outer band low cycle fatigue A flange for supporting arcuate components comprising at least one arcuate rail, each arcuate rail having an inner radius, a first taper location, a first taper region, a second taper location, a second taper region, wherein the thickness of at least a portion of th... | 09/21/2010 |
| 7789622 | Engine cooling fan assembly A cooling fan assembly for cooling a heat exchanger includes a shroud having a plurality of stators extending radially to support a hub. A flow-guide including an outer rim and inner rim surrounds the shroud and extends to the heat exchanger. The outer rim extends f... | 09/07/2010 |
| 7771164 | Method and system for assembling a turbine engine A method of assembling a turbine includes positioning a turbine nozzle against a forward inner nozzle support extending from a rotor assembly, and coupling a cover to the forward inner nozzle support. The method also includes inserting a tab that extends from the co... | 08/10/2010 |
| 7762768 | Mechanical support of a ceramic gas turbine vane ring An assembly for mounting a ceramic turbine vane ring onto a turbine support casing comprises a first metal clamping ring and a second metal clamping ring. The first metal clamping ring is configured to engage with a first side of a tab member of the ceramic turbine ... | 07/27/2010 |
| 7744344 | Vane coupling Vanes are generally hollow with a passage through which service pipes extend. These service pipes must be connected such that they can allow for thermal expansion and contraction but also anti rotation features are needed in order to prevent damage when a supply cou... | 06/29/2010 |
| 7722321 | Turbo-engine stator blading, turbo-engine comprising the blading and turbo-engine blade A turbo-engine stator blading is disclosed. The turbo-engine stator blading includes a crown of fixed blades mounted on a ring. Each blade includes a platform and each blade is fastened to the ring. The ring includes a plurality of individual receptacles for the eac... | 05/25/2010 |
| 7677867 | Guide vane arrangement of a turbomachine A guide vane arrangement of a turbomachine includes a casing, at least one guide vane carrier connected to the casing and having a first carrying portion and a second carrying portion spaced apart axially from the first carrying portion, a plurality of guide vanes c... | 03/16/2010 |
| 7674088 | Vane arrangement of a turbo machine A vane arrangement (1) of a turbo machine (4), in particular of a gas turbine, includes at least one vane carrier (2) attached to a housing (5) of a turbo machine (4), and several vanes (3) attached to the vane carrier (2... | 03/09/2010 |
| 7651319 | Compressor stator vane A vane unit system having a plurality of vane units having at least one air foil projecting from a base. The base has a hole which receives a pin which extends between adjacent bases of vane units therein forming a rigid ring of vanes that are less susceptible to va... | 01/26/2010 |
| 7591634 | Stator shim welding A method is provided for attaching a shim to at least one of a base of a stator vane unit and a ring segment of a ring segment assembly in a gas turbine compressor. The method includes providing a shim shaped to conform to an engaging face of the base of the stator ... | 09/22/2009 |
| 7494318 | Methods and apparatus useful for servicing engines A seal/locking apparatus includes a tapered cover, a locking cap, and a housing. The housing has a opening configured to engage, in a first part of the opening, the tapered cover, and, in a second part of the opening, the locking cap. The tapered cover and the locki... | 02/24/2009 |
| 7427187 | Welded nozzle assembly for a steam turbine and methods of assembly A steam turbine nozzle singlet having a blade or airfoil between inner and outer sidewalls is provided. The sidewalls include steps or flanges which are received in complementary recesses in the rings enabling axially short low heat input welds e.g., e-beam welds. T... | 09/23/2008 |
| 7419352 | Methods and apparatus for assembling turbine engines A method for assembling a gas turbine engine is provided. The method includes providing a turbine nozzle including an outer band and an inner band, wherein each band includes a leading edge, a trailing edge, and a body extending therebetween. At least one of the out... | 09/02/2008 |
| 7396206 | Arrangement for axially and radially fixing the guide vanes of a vane ring of a gas turbine A gas turbine has at least one guide blade ring, whose guide vanes are axially and radially fixed via detachable locking elements. A shell ring is configured as a freely machinable component having projections bearing a stop surface and mating surfaces. A holding pi... | 07/08/2008 |
| 7393179 | Variable position turbine nozzle An apparatus and method are provided for permitting free rotation of turbine nozzle vanes, while minimizing or eliminating leakage on the vane side-walls. The device incorporates a plurality of nozzle vanes arranged around the circumference of a radial or mixed infl... | 07/01/2008 |
| 7344355 | Variable stator vane assemblies A variable stator vane assembly 10 where two downwardly inclined engagement faces 30 are provided on the top of the stator vane upper stem 14, extending for part of the width thereof. A pair of projections 36 with inwardly inclined surfac... | 03/18/2008 |
| 7329096 | Machine tooled diaphragm partitions and nozzles Partitions have an airfoil coupled at opposite ends to inner and outer side walls. The side walls each mount radially extending male dovetails. The inner web and outer ring of a diaphragm include complementary shaped dovetail grooves. The male dovetails have reduced... | 02/12/2008 |
| 7329091 | Heat dissipation fans and housings therefor A heat dissipation fan and a housing thereof. The heat dissipation fan includes a housing and a plurality of blades. The housing includes an outer frame, a base, and a plurality of air-guiding elements. The base is disposed in the outer frame, supporting the blades ... | 02/12/2008 |
| 7311495 | Vane support in a gas turbine engine A fluid flow machine comprises an array of vanes (2) which are supported at their ends by inner and outer support structures 4, 6. The ends of the vanes are received in slots 8, 10, with resilient material 12 disposed between the vane ... | 12/25/2007 |
| 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 |
| 7303371 | Gas turbine having a sealing element between the vane ring and a vane carrier of the turbine The invention relates to a gas turbine. The aim of the invention is to provide an axial sealing between a vane ring and a moving blade ring, which has an excellent sealing effect, is easy to install and inexpensive to produce. For this purpose, a sealing element is ... | 12/04/2007 |
| 7300246 | Integrated turbine vane support A unitary component for retaining a vane ring in a gas turbine engine comprises a retaining plate portion to restrain axial vane movement, a retaining ring portion to restrain circumferential vane movement, and a baffle portion to split a cooling air flow between th... | 11/27/2007 |
| 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 |
| 7291946 | Damper for stator assembly A damper for a stator assembly, the stator assembly comprising a stator segment and a seal mounted to the stator segment. The damper locates between the stator segment and the seal, and comprises: a medial section; and opposed arms extending from the medial section.... | 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 |
