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| Number | Title | Issue Date |
| 7946035 | Method of manufacturing a hollow article A method of manufacturing a hollow article (10) comprising the steps of cold pressing two members (30,34) to form at least one depression (32,36) in the members (30,34). Arranging the two members (30,34) in abutting relationship su... | 05/24/2011 |
| 7540083 | Method to modify an airfoil internal cooling circuit Methods are provided for modifying an airfoil internal cooling circuit that include a flow path configured to direct air through the airfoil in a direction and the airfoil having a leading edge, a trailing edge, and a first and a second wall therebetween, each wall ... | 06/02/2009 |
| 7441331 | Turbine engine component manufacture methods A cooled turbine engine component is made by providing first and second pieces respectively having first and second surfaces. At least one circuit is formed in at least one of the first and second surfaces. A first plurality of apertures is provided in the first pie... | 10/28/2008 |
| 7438523 | Blade for a turbine engine and method for production of said blade A blade for a turbine engine is described, having a base body, made from a titanium alloy, with a first and a second component piece, which are connected in the connection region by means of a bonding process. A groove with a groove wall runs through the connection ... | 10/21/2008 |
| 7431197 | Method of fabricating a hollow mechanical part by diffusion welding and superplastic forming A method of fabricating a hollow mechanical part includes a step of depositing an anti-diffusion substance in a predefined pattern on at least one face of primary parts to be assembled together. The depositing step is performed by applying a layer of anti-diffusion ... | 10/07/2008 |
| 7370506 | Forging die with marking means A forging die includes on one face, a half-imprint of a part to be forged such as a turbine engine blade. The die also includes on the face, a device for forming a marking along two directions relatively to which the position of the imprint is defined, the device in... | 05/13/2008 |
| 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 |
| 7334332 | Method of manufacturing a hollow blade for a turbine engine The invention relates to a method of manufacturing a hollow blade for turbine engine comprising a foot and a rotor blade, the method comprising a production stage of two external parts (14) as well as an assembling stage via diffusion bonding of these two ext... | 02/26/2008 |
| 7334333 | Method for making a hollow fan blade with machined internal cavities Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. The floor and opposite interior walls of each cavity are machined simultaneously. The c... | 02/26/2008 |
| 7325307 | Installation for shaping a hollow blade A hollow blade is shaped by superplastic inflation of a blank made up of welded-together sheets. A die comprising two hollow shapes clamping the outline of the blank is placed inside an autoclave-forming enclosure in order to subject the blank to superplastic inflat... | 02/05/2008 |
| 7322796 | Turbine vane construction A method for forming a component for use in a gas turbine engine, such as a turbine vane construction is provided. The method broadly comprises the steps of: forming a first aerodynamic structure having a first platform with a leading edge and a trailing edge, and a... | 01/29/2008 |
| 7316066 | Method of manufacturing an article by applying heat and pressure, a method of connecting a pipe to a sealed assembly and a connector for use therein A method of manufacturing an article by diffusion bonding at least two metal components (30,36) comprises assembling the metal components (30,36) into a stack relative to each other so that the surfaces (34,40) are in mating contact. The edges o... | 01/08/2008 |
| 7258530 | CMC component and method of fabrication An airfoil (44) formed of a plurality of pre-fired structural CMC panels (46, 48, 50, 52). Each panel is formed to have an open shape having opposed ends (54) that are free to move during the drying, curing and/or firing of the CMC material in o... | 08/21/2007 |
| 7255260 | Assembly for the manufacture of a hollow mechanical part by diffusion bonding and superplastic forming, use of such an assembly and process for manufacturing such a mechanical part A method for manufacturing an assembly including a stack of at least two primary parts, the primary parts being joined together around their periphery with the exception of a place forming a passage so as to define between the two of them a cavity, and the primary p... | 08/14/2007 |
| 7251888 | Hollow fan blade for aircraft engines and method for its manufacture A hollow fan blade for the fan of an aircraft engine includes a blade base section (2) and a blade tip section (5) which are assembled at opposing faying surfaces (6, 6′) by a joining process. Starting from the respective faying surface, cavit... | 08/07/2007 |
| 7237709 | Method of manufacturing an article by diffusion bonding and superplastic forming Two metal blocks (50, 52) are welded to respective metal sheets (30, 32) to form sealed assemblies. The sealed assemblies are then diffusion bonded together to form two metal preforms (54, 56). The thick ends (36) and (40) of the m... | 07/03/2007 |
| 7232290 | Drillable super blades A turbine engine component, such as a blade or a vane, is provided by the present invention. The turbine engine component has a pressure side and a suction side. Each of the pressure and suction sides has an external wall and an internal wall. A first set of fluid p... | 06/19/2007 |
| 7225542 | Vehicle body compartment lid method of manufacturing A vehicle body compartment lid includes a unitary, one-piece panel. The panel has both an inner panel portion and an outer panel portion, and is bent or folded such that the inner panel portion and the outer panel portion are in juxtaposition with one another. A met... | 06/05/2007 |
| 7217097 | Cooling system with internal flow guide within a turbine blade of a turbine engine A turbine blade for a turbine engine having a cooling system in the turbine blade formed from at least one cooling channel. The cooling channel may be a serpentine cooling channel with a flow guide extending from a first turn to a second turn of the cooling channel ... | 05/15/2007 |
| 7210611 | Formed structural assembly and associated preform and method A superplastically formed structural assembly is provided, as is an associated preform and method for forming such an assembly. The assembly includes a skin member and a support member that are joined to define a space between the members and between the joints. The... | 05/01/2007 |
| 7204019 | Method for repairing an apertured gas turbine component A method for repairing defects in a gas turbine component that comprises a substrate and an existing coating on the substrate. The article includes cooling holes having a predetermined air flow requirement and an outer shaped portion and an inner metering portion. T... | 04/17/2007 |
| 7177446 | Video feature tracking with loss-of-track detection A method (500, 600) of tracking a feature (201) across a sequence of image frames is disclosed. A current feature position in a current frame is estimated from at least a previous feature position in a previous frame. Feature data is extracted from pix... | 02/13/2007 |
| 7131817 | Method and apparatus for cooling gas turbine engine rotor blades A method for fabricating a rotor blade includes casting the turbine rotor blade to include a shank, and a platform having an upper surface and a lower surface, and coupling a first component to the rotor blade such that a first substantially hollow plenum is defined... | 11/07/2006 |
| 7128536 | Damped aerofoil structure A damped airfoil structure comprises an airfoil having a first wall and a second opposing wall, and vibration damping means for damping relative movement of the first and second wall. The damping means comprises at least two cooperating damping elements, a first dam... | 10/31/2006 |
| 7118346 | Compressor blade A compressor blade (26) comprises an aerofoil (36) and a root (38). The aerofoil (36) comprises a concave wall (40) extending from a leading edge (44) to a trailing edge (46) and a convex wall (42) extending fr... | 10/10/2006 |
| 7104761 | Hybrid turbine blade and related method A method of manufacturing a blade for assembly on a steam turbine rotor wheel includes forming an airfoil portion with plural pockets and filling the pockets with more than one filler material chosen as a function of required temperature capability. ... | 09/12/2006 |
| 7093359 | Composite structure formed by CMC-on-insulation process A method of manufacturing a composite structure uses a layer of an insulating material (22) as a mold for forming a substrate of a ceramic matrix composite (CMC) material (24). The insulating material may be formed in the shape of a cylinder (10... | 08/22/2006 |
| 7090461 | Gas turbine vane with integral cooling flow control system A turbine vane usable in a turbine engine and having at least one cooling system. The cooling system includes a leading edge cavity and a trailing edge cavity. The cavities may be separated with a metering rib having one or more metering orifices for regulating flow... | 08/15/2006 |
| 7090463 | Guide vane A guide vane 100 is provided in which sheet portions 14, 15 are secured together to define an aerofoil profile 11. Between ends 20, 21 of the guide vane 100 there is a non linear variation in the maximum chordal thickness 13... | 08/15/2006 |
| 7083388 | Double near-net forging of article A method of forming a blade comprising the steps of forging a part comprising a suction side, a pressure side, and a dividing portion of material greater than a portion of material to be sacrificed between the suction side and the pressure side, splitting the part t... | 08/01/2006 |
| 7077622 | Emergency cooling system for a thermally loaded component In an emergency cooling system (17) for a component (1) which is subject to thermal load in operation, in, e.g., a turbine, the component (1) has a wall (3) which, in operation, is acted on by heat on a first wall side (14) and is ... | 07/18/2006 |
| 7070391 | Hollow fan blade for gas turbine engine Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. These detail halves are subsequently bonded and given an airfoil shape in the forming o... | 07/04/2006 |
| 7056095 | Impeller and method using solid free form fabrication The present invention relates to the use of solid freeform fabrication (SFF) technology in the manufacture of impeller blades. The impeller blades may be metal plated and further incorporated onto a rigid skeletal frame to allow for more desirable wear resistance an... | 06/06/2006 |
| 7052238 | Hollow fan blade for gas turbine engine A hollow fan blade for turbo fan gas turbine engines is formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. These detail halves are subsequently bonded and given an airfoil shape in the forming o... | 05/30/2006 |
| 7025568 | Turbomachine aerofoil A fan blade (26) comprises a leading edge (44), a trailing edge (46), a concave wall portion (50) extending from the leading edge (44) to the trailing edge (46) and a convex wall portion (52) extending from the leadin... | 04/11/2006 |
| 7021899 | Lightened turbomachine blade and its manufacturing process A turbomachine blade includes a metal alloy airfoil having a cavity closed off by a cover on a hollowed side, the cover providing aerodynamic continuity of the hollowed side and being bonded via an edge thereof to the rest of the airfoil by a weld bead. The weld bea... | 04/04/2006 |
| 6997679 | Airfoil cooling holes An airfoil. The airfoil may include a first number of cooling holes and a second number of cooling holes positioned within the airfoil. The first number of cooling holes and the second number of cooling holes each may include a turbulated section and a non-turbulate... | 02/14/2006 |
| 6993811 | System for applying a diffusion aluminide coating on a selective area of a turbine engine component A method for applying diffusion aluminide coating on a selective area of a turbine engine component and the coating produced by that method is disclosed. A quartz infrared lamp heats only substantially the localized area of the component to be coated, rather than th... | 02/07/2006 |
| 6994525 | Hollow fan blade for gas turbine engine Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. These detail halves are subsequently bonded and given an airfoil shape in the forming o... | 02/07/2006 |
| 6905309 | Methods and apparatus for reducing vibrations induced to compressor airfoils A method enables a rotor blade for a gas turbine engine to be fabricated. The method comprises forming an airfoil including a first side wall and a second side wall that each extend in radial span between an airfoil root and an airfoil tip, and wherein the first and... | 06/14/2005 |
