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| Number | Title | Issue Date |
| 8181345 | Method for optimizing the mass of a composite panel A method for optimizing the mass of a composite panel composed of a plurality of uniform thickness zones, each zone defined by a vertical arrangement of plies, each arrangement having a different number of piles, and different orientation angles, where a positioning... | 05/22/2012 |
| 8151458 | Non-metallic cover for a fixture An assembly includes a fixture including an opening shaped to receive a portion of a turbine engine component. A non-metallic cover is placed over at least a portion of the fixture. The cover facilitates reducing metal to metal contact of the fixture and the turbine... | 04/10/2012 |
| 8065799 | Method of fabricating a turbomachine rotor disk A method of fabricating a turbomachine rotor disk is disclosed. In the method, a metal container is defined, made up of a plurality of parts that define between them at least one annular cavity, an insert made of composite material is positioned in the at least one ... | 11/29/2011 |
| 8051564 | Methods and apparatus for fabricating a turbine nozzle assembly A method for fabricating a nozzle segment for use within a turbine nozzle assembly. The method comprises providing a nozzle segment including an outer band, an inner band, and at least one vane extending there between, wherein at least one of the inner band and the ... | 11/08/2011 |
| 8042268 | Method of producing a turbine component with multiple interconnected layers of cooling channels A method for making a gas turbine component (100). A central core (20) is positioned to occupy a space that will define a central channel (42), and an outer channel core (30) is positioned spaced apart from the central core (20). A... | 10/25/2011 |
| 8011098 | Wind turbine erector A wind tower erection device and method for erecting wind turbine towers which avoid the need for using expensive cranes. The device and method employs a stacker unit for anchoring to the wind turbine foundation, a plurality of intermediate modules, and a mechanical... | 09/06/2011 |
| 7950146 | Co-forged steel rotor component for steam and gas turbine engines A method of forming a rotor for a turbine engine such that the rotor is formed of two materials including: an outer ring formed from a first steel material, and a disk formed from a second material, such as a low alloy steel, having a larger thermal expansion coeffi... | 05/31/2011 |
| 7918023 | Method for manufacturing a variable-vane mechanism for a turbocharger A variable-vane cartridge mechanism for a turbocharger is assembled from a nozzle ring, an insert that engages a turbine housing bore, and a plurality of spacers. Holes larger in diameter than the spacers are formed in the nozzle ring and a nozzle portion of the ins... | 04/05/2011 |
| 7866041 | Method of manufacturing a duct for a gas turbine engine The present invention provided a method of manufacturing a duct for a gas turbine engine or the like from sheet metal material; the method comprising the steps of: fabricating a duct from sheet material (10,12,14) including rolling or folding metal sheet alon... | 01/11/2011 |
| 7841084 | Gas turbine components and method for machining gas turbine components The present technology relates to the problem that during diverse machining steps of application to the production or reconditioning of internally cooled gas turbine blades, an undesired effect may be had on sections of the gas turbine blades and proposes, as an imp... | 11/30/2010 |
| 7841083 | Method of manufacturing a turbomachine component that includes cooling air discharge orifices A method of producing cooling fluid discharge orifices in the wall of a part manufactured by the technique of lost wax casting in which a pattern of the part is produced in a wax mold, the orifices each having a first portion emerging at the external surface of the ... | 11/30/2010 |
| 7779540 | Apparatus and method for quadrail ergonomic assembly A quadrail ergonomic apparatus includes two or more pathways designed to permit movement in two or more directions mounted to a static object above a surface. One or more carriages designed to move in two or more directions are disposed within the pathways. Each car... | 08/24/2010 |
| 7761991 | Methods and apparatus for coupling gas turbine engine components A method facilitates assembling a gas turbine engine assembly including at least a first member and a second member. The method comprises inserting a threaded fastener through an opening formed in a flange, and providing at least one shank nut including a flanged ma... | 07/27/2010 |
| 7726022 | Method of dismantling a portion of a turbomachine A method of dismantling a turbomachine includes opening a turbomachine casing in the region of a combustion chamber, releasing a top half shell from a bottom half shell, axially displacing the top half shell and thereafter removing the top half shell in essentially ... | 06/01/2010 |
| 7721433 | 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... | 05/25/2010 |
| 7721434 | Methods and apparatus for replacing objects on horizontal shafts in elevated locations An apparatus for stabilizing a shaft in an essentially horizontal position while an anchoring object at one end of the shaft is replaced without removal of an object at the opposite end of the shaft that would otherwise tend to destabilize the shaft from its essenti... | 05/25/2010 |
| 7721435 | Method of securing a component in an engine A method of securing a releasable component in an assembled engine by inserting a conduit through an aperture in a casing of the engine, the conduit being carried by a borescope and directing the borescope to the releasable component, and supplying an adhesive onto ... | 05/25/2010 |
| 7676923 | Method and apparatus for manufacturing a helicopter rotor fairing, and a fairing obtained thereby The invention relates to a method of manufacturing a tail structure for a rotary wing aircraft, the structure comprising: a tubular portion or duct (63) presenting two ends and including two collars or flanges (66, 70... | 03/16/2010 |
| 7594324 | Method of assembling a turbomachine A method of assembly of a turbomachine that includes a first module and a second module with a second shaft assembled by a bearing, the bearing including an outer ring shrink-fitted inside a journal integral with the first module and an inner ring integral with the ... | 09/29/2009 |
| 7559142 | Method of manufacturing a heat shield for a fuel manifold A method of manufacturing a heat shield for a manifold ring of a gas turbine engine, comprising forming a tubular portion of heat shield material with an arcuate longitudinal axis, deforming the tubular portion such that a cross-section thereof defines a profile cor... | 07/14/2009 |
| 7543378 | Method for manufacturing a test bar nethod for manufacturing a test bar from a turbo-machinery component, test bar made in accordance with the method, and turbo-machinery component associated with the method. A component section is obtained from the turbo-machinery component, wherein the component sec... | 06/09/2009 |
| 7523552 | Milling bleed holes into honeycomb process A method of milling at least one hole into a honeycomb structure positioned on a part includes storing dimensional information of the part in a computer processor, locating a timing mark on the flange, positioning a milling tool at an angle relative to the honeycomb... | 04/28/2009 |
| 7513040 | Manufacturable and inspectable cooling microcircuits for blade-outer-air-seals A method for manufacturing a cooling microcircuit in a blade-outer-air-seal is provided. The method broadly comprises the steps of forming a first section of the blade-outer-air-seal having a first exposed internal wall, forming a second section of the blade-outer-a... | 04/07/2009 |
| 7506440 | Titanium treatment to minimize fretting A method for surface treating a titanium gas turbine engine component. The method includes providing a gas turbine engine component having a titanium-containing surface. The component is heated to a temperature sufficient to diffuse carbon into the titanium and belo... | 03/24/2009 |
| 7497012 | Gas turbine fuel nozzle manufacturing A method and a pre-shaped workpiece for making at least a portion of a gas turbine fuel nozzle are disclosed having opposed gripping tabs which can be secured to machine tool holders during manufacturing by a machine tool. ... | 03/03/2009 |
| 7441410 | Gas turbine and manufacturing process of gas turbine The invention is intended to maintain turbine reliability when, based on a gas turbine designed for one desired cycle, a gas turbine for another different cycle is manufactured. A channel of a compressor is formed such that a mass flow of a fluid compressed by the c... | 10/28/2008 |
| 7438530 | Method of assembling one-piece bladed disks, and a device for damping vibration of the blades of such disks A method of assembling together one-piece bladed disks by friction welding, and a damper device for damping vibration of the blades of the disks. The damper device includes annular linings for covering the blades and filling the gaps between the blades, the linings ... | 10/21/2008 |
| 7421783 | Methods of installing centerline supported carriers for steam turbines Jack screws are threaded into the lower carrier half adjacent opposite ends and sides of the lower carrier half for supporting it on temporary support plates on shoulders in the lower outer shell. Tapped openings are provided below the temporary support plates. Alig... | 09/09/2008 |
| 7415763 | Bending device and method for bending a plate In order to configure the bending of a plate in an intermediate space between two blade rings, arranged along an axis of a compressor and having blades extending along a radius in a simpler and more effective manner, the novel concept provides a bending device which... | 08/26/2008 |
| 7406826 | Variable-throat exhaust turbocharger and method for manufacturing constituent members of variable throat mechanism A variable-throat exhaust turbocharger has a variable throat mechanism that reduces wear of contact surfaces of connection pin parts formed integral with lever plates or a drive ring and the grooves into which the connection pin parts are engaged. A mechanism also p... | 08/05/2008 |
| 7396204 | Variable-nozzle mechanism, exhaust turbocharger equipped therewith, and method of manufacturing exhaust turbocharger with the variable-nozzle mechanism An exhaust turbocharger with a variable-nozzle mechanism with fail-safe feature included is provided with which, even if wear of the drive ring supporting part where the supporting elements are in reciprocating sliding or rolling contact with each other under high t... | 07/08/2008 |
| 7384244 | Fatigue-resistant components and method therefor A metallic component, which may be an airfoil, includes at least one treated patch, wherein the entire thickness of the component within the treated patch is in a state of residual compressive stress. A surface-treated area overlaps at least a boundary between the t... | 06/10/2008 |
| 7367123 | Coated bucket damper pin and related method A damper pin for a turbine bucket includes an elongated main body portion of substantially uniform cross-sectional shape having opposite ends, one only of said opposite ends coated with a corrosion and oxidation-resistant coating. ... | 05/06/2008 |
| 7363762 | Gas turbine engines seal assembly and methods of assembling the same A method of assembling a gas turbine engine includes providing a gas turbine engine including a compressor, a combustor downstream from the compressor, and a turbine coupled to the compressor, and coupling a seal assembly aft of the compressor such that air discharg... | 04/29/2008 |
| 7351364 | Method of manufacturing a hybrid structure A method of manufacturing a hybrid structure (100) having a layer of CMC material (28) defining an interior passageway (24) and a layer of ceramic insulating material (18) lining the passageway. The method includes the step of casting the... | 04/01/2008 |
| 7344354 | Methods and apparatus for operating gas turbine engines A method of assembling a gas turbine engine that includes providing a rotor assembly including a rotor shaft, an air duct, and a rotor disk that includes a mounting arm, wherein the mounting arm extends radially inward from the rotor disk towards the rotor shaft and... | 03/18/2008 |
| 7343677 | Method of manufacturing a fiber reinforced metal matrix composite article A method of manufacturing a fibre reinforced metal matrix composite article, the method comprising placing at least one metal coated (18) fibre (14) between a first metal ring (30) and a second metal ring (36). Heating to a first temperat... | 03/18/2008 |
| 7337524 | Method of forming a winding core for an electric motor A method of forming a winding core for an electric motor includes providing a hollow jig having a guide, sliding plates, each having a guide and a central opening, onto the guide in the jig where the guides mate, and pressing a shaft into the central opening of the ... | 03/04/2008 |
| 7334331 | Methods and apparatus for machining components A method of using a machining assembly to machine a plurality of different turbine components that include a dovetail having a contoured profile. The method includes removably coupling a first set of retainers into the machining assembly, the first set of retainers ... | 02/26/2008 |
| 7334981 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of rows of turbine blades configured to rotate in a first rotational direction, providing a low-pressure turbine outer rotor that ... | 02/26/2008 |
