...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8096051 | Method of lifting a wind turbine nacelle This invention relates to a method of lifting a wind turbine nacelle (1), the method comprising: arranging a first and second anchoring point (2,3) on each of two opposing sides of the nacelle (1), the first point (2) of each side being a... | 01/17/2012 |
| 8061031 | Method of finish machining an impeller An impeller assembly is for a fluid machine, such as a compressor, and includes a first, main body and a second body. The main body includes a first section providing at least a substantial portion of either an impeller disc or an impeller cover and a second section... | 11/22/2011 |
| 8056227 | Turbine blade having material block and related method A turbine blade including a root section at an end of the turbine blade, a first airfoil section adjacent to the root section, and a tip section adjacent to the airfoil section and including a material block that is incongruous with the airfoil section. A midspan se... | 11/15/2011 |
| 7984548 | Method for modifying a compressor stator vane A vane unit system having a plurality of vane units having at least one airfoil projecting from a base is modified by placing a hole in the base and receiving a pin which extends between adjacent bases of vane units. A series of modified bases form a rigid ring of v... | 07/26/2011 |
| 7918024 | Methods and apparatus for manufacturing components A method for manufacturing a turbine nozzle assembly using a fixture includes providing a first position of the fixture, positioning at least one datum of the turbine nozzle assembly adjacent at least one datum location point on the fixture when the fixture is in th... | 04/05/2011 |
| 7900351 | Method for the production of gas turbine rotors having integrated blading A method is provided for the production of gas turbine rotors with integrated blading. In a first step, rotating blades are produced. Subsequently, at least one of the produced rotating blade blanks is connected to the rotor bearing, then the or each of the rotating... | 03/08/2011 |
| 7895745 | Method for fabricating elongated airfoils for wind turbines The present invention includes a method for fabricating elongated wind turbine blades and wind turbine blades formed by the method. The method includes providing a first shell reinforcing fiber structure. At least one shear web reinforcing fiber structure is positio... | 03/01/2011 |
| 7832101 | Method and assembly for mounting rotor blade bearings of a wind turbine A method and an assembly for fastening at least one screw nut to be tightened of a rotor blade bearing of a wind turbine are provided. A screw nut driver assembly is provided at a rotatable portion of the rotor blade bearing, the screw nut driver assembly being adap... | 11/16/2010 |
| 7779541 | Method for manufacturing a stator or rotor component Method for manufacturing a stator component or rotor component (10) including at least one ring element (3). A joining material is provided in contact with at least one of the blade (2) and the ring element (3). The blade and the ring ele... | 08/24/2010 |
| 7761992 | Process for machining axial blade slots in turbine disks for jet engines A process for machining axial blade slots in turbine disks used in jet engines is provided. The process broadly includes the steps of providing a turbine disk, forming a roughened slot having a plurality of joined rectangular areas in the turbine disk, and machining... | 07/27/2010 |
| 7735223 | Method of fabricating or repairing a blisk A method of fabricating or reparing a blisk (10) that comprises a plurality of blades (14) attached to the outer periphery of a disc (12). Blades (14) are formed separately from the disc (12) and are attached to stubs (13) o... | 06/15/2010 |
| 7614150 | Method for manufacturing a stator or rotor component Method and arrangement for providing a stator or rotor component that is intended during operation to conduct a gas flow. A first wall part (14, 15) is placed with its one edge bearing against the flat side of a second wall part (9, 10), extending in t... | 11/10/2009 |
| 7530168 | Method of manufacturing a wind turbine blade root A wind turbine blade root having fully bonded insert bushings with internal threads for mounting bolts for releasable attachment to a hub of a wind turbine is manufactured by arrangement of a plurality of the insert bushings on a first layer of fibre mat arranged on... | 05/12/2009 |
| 7442011 | Locking device for turbine blades A turbine blade locking device axially retains a turbine blade (1) inserted in an axial, profiled slot (10) of a turbine disk (6). The turbine disk (6) is provided with a locking groove (8) passing through the slot (10) and ... | 10/28/2008 |
| 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 |
| 7416393 | Apparatus and method for joining a rotor blade to a rotor mount of a gas turbine rotor A gas turbine rotor and a method for manufacturing a gas turbine rotor having integral blading, is disclosed. A rotor blade has a blade pan and a blade footing connected to the blade pan. The blade footing is designed with a V-shaped cross section in at least some p... | 08/26/2008 |
| 7410089 | Method of making aerofoil blisks A method of making an aerofoil blisk (10) comprising a plurality of aerofoil blades (12) joined to a disc (14) to extend radially outwardly therefrom includes the step of forming a blade member (28) having a stub (30) for joining t... | 08/12/2008 |
| 7389662 | Method and apparatus for self indexing portable automated tenon peening A self indexing portable automated tenon peening device including: a peening machine in operable communication with a mounting arm; a circumferential slide assembly including a circumferential rail in operable communication with the mounting arm; an axial slide asse... | 06/24/2008 |
| 7387493 | Impeller with widened blades A rotary impeller assembly is for a fluid machine and includes a support member having an outer surface and blades connected to the support member. Each blade includes first and second integral portions, the blade first portion having a first thickness and being spa... | 06/17/2008 |
| 7377036 | Methods for tuning fuel injection assemblies for a gas turbine fuel nozzle A fuel nozzle assembly for a gas turbine includes a plurality of circumferentially spaced vanes with holes for flowing fuel from plenums within the vanes through holes in the vane walls for premixing with air. To tune the nozzle assembly, the holes are resized by re... | 05/27/2008 |
| 7341431 | Gas turbine engine components and methods of fabricating same A method for fabricating a component for a gas turbine engine includes providing a blisk forging fabricated from a first material, inertia welding a second material to the blisk forging to create a bi-alloy blisk forging, and machining the bi-alloy blisk forging to ... | 03/11/2008 |
| 7334306 | Methods and apparatus for fabricating a turbine nozzle assembly An apparatus enables a turbine nozzle, including at least two turbine nozzle singlets to be fabricated. Each singlet includes inner and outer bands and a vane extending therebetween. The vane also includes first and second sidewalls coupled together at a leading edg... | 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 |
| 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 |
| 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 |
| 7320175 | Production process of gas turbine The invention provides a production process of a gas turbine capable of being applied to various cycles. A principal part of a gas turbine is set in advance based on roughly set conditions, and the number of stages of a compressor and the number of stages of a turbi... | 01/22/2008 |
| 7320172 | Apparatus for positioning inserts in a receptacle An apparatus for positioning inserts in a rotating receptacle. The apparatus includes a magazine for holding a plurality of inserts. An insertion arm is provided for positioning inserts within the receptacle. The insertion arm has a first end and a second end, where... | 01/22/2008 |
| 7287958 | Methods and apparatus for assembling rotatable machines A method, rotor assembly, and apparatus for ordering blades in a rotatable machine is provided. The rotor assembly includes a disk including a plurality of circumferentially-spaced blade root slots defined therein, and a plurality of blades, each blade including a r... | 10/30/2007 |
| 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 |
| 7260892 | Methods for optimizing turbine engine shell radial clearances A method facilitates the assembly of a stator assembly for a turbine engine. The method includes providing a cantilevered shell including a first end and a second end, and coupling a second member within the turbine engine. The method also includes coupling the shel... | 08/28/2007 |
| 7249412 | Method for repairing a damaged blade of a Blisk A BLISK having a damaged blade, with a repair region that has a thickness less than a specified thickness as a result of damage during manufacture or prior service, is repaired by depositing repair metal onto the repair region to increase its thickness to greater th... | 07/31/2007 |
| 7246419 | Impeller clearance tool A tool and method are provided for providing a predetermined clearance between an impeller and a shroud of a jet engine assembly, wherein the shroud has a mating surface, and the impeller and shroud are partially disposed within a casing having a mating surface, whe... | 07/24/2007 |
| 7241416 | Metal injection molded turbine rotor and metal injection molded shaft connection attachment thereto A rotor shaft assembly (101) of a type used in a turbocharger, manufactured by mounting a powder compact of a titanium aluminide rotor (203) to a powder compact of a steel shaft (207), with a metal powder admixed with a binder (211) inter... | 07/10/2007 |
| 7225967 | Structural assemblies and preforms therefor formed by linear friction welding A structural assembly and a preform and method for forming the structural assembly are provided. The preform can be formed by linear friction welding structural members to a base member and friction welding each structural member to at least one of the other structu... | 06/05/2007 |
| 7217099 | Coated forward stub shaft dovetail slot A compressor forward stub shaft comprising a plurality of axially spaced, annular rows of dovetail grooves, at least a first and a second of the plurality of rows having dovetail slots coated in part with an anti-wear coating. ... | 05/15/2007 |
| 7210909 | Connection between bladed discs on the rotor line of a compressor A first rotor piece includes a first ring provided with a succession of holes and notches. An assembly is formed by a second rotor piece fixed to a third rotor piece. The second piece ends downstream in a second ring including holes. The third piece ends upstream in... | 05/01/2007 |
| 7191519 | Method for the manufacture of a vaned diffuser An improved method for manufacturing a vaned diffuser (101) of a turbocharger, preferably from aluminum or an aluminum alloy, where the vaned diffuser possesses at least one axis (115) suitable for separating the vaned diffuser from its rigid mold by t... | 03/20/2007 |
| 7189064 | Friction stir welded hollow airfoils and method therefor A hollow component for gas turbine engine, for example an outlet guide vane, is assembled from a body having at recessed pocket formed therein, and an aerodynamic cover bonded over the pocket. Both the cover and the body are constructed from materials which are not ... | 03/13/2007 |
| 7186073 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a low-pressure turbine inner rotor that includes at least a first pair of adjacent rows of turbine blades that are configured to rotate in a first direction providing a low-pressure turbine outer rotor ... | 03/06/2007 |
| 7182577 | Turbine rotor blade and turbine A set of turbine rotor blades is arranged on a rotor disk. Each rotor disk has blade profile, root parts which is fitted axially in an axial disk groove formed circumferenctially in the rotor disk, and an integral cover formed at the outer edge of the blade profile ... | 02/27/2007 |