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7628587 |
Gas turbine blade shroud
A gas turbine blade shroud includes a platform and one or more fins extending toward a stator and side rails that extend radially toward the stator and along the edge of the platform. The increased...
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7628588 |
Coated bucket damper pin
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...
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7604461 |
Rotor blade for a wind turbine having aerodynamic feature elements
A rotor blade for a wind turbine includes a surface having a plurality of aerodynamics feature elements formed therein. The elements for influencing an airflow at the surface during operation of...
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7597966 |
Thermal barrier coating and process therefor
A thermal barrier coating and deposition process for a component intended for use in a hostile thermal environment, such as the turbine, combustor and augmentor components of a gas turbine engine....
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7597934 |
Corrosion coating for turbine blade environmental protection
A method for making a gas turbine engine turbine blade comprising an airfoil section a platform section, an under platform section, and a dovetail section, the exterior surface of the dovetail...
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7585575 |
Heat-insulating layer made of complex perovskite
A heat-insulating layer has a melting point above 2500° C., a thermal expansion coefficient in excess of 8×10 −6 K −1 , and a sintering temperature greater than 1400° C. This material has a...
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7581933 |
Airfoil having improved impact and erosion resistance and method for preparing same
A turbine airfoil having an improved impact and erosion resistance. The airfoil comprises: (a) a base segment having an impact resistant leading edge section proximate to the leading edge...
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7575418 |
Erosion and wear resistant protective structures for turbine components
Disclosed herein is a turbine component comprising a substrate; and a protective structure formed on the substrate, wherein the protective structure comprises an α-β titanium alloy, a β-titanium...
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7547478 |
Article including a substrate with a metallic coating and a protective coating thereon, and its preparation and use in component restoration
A coated article has a metallic substrate with a substrate composition, and a metallic coating overlying and contacting the metallic substrate. The metallic coating has a metallic-coating...
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7547188 |
Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material
A Ni-based alloy member has resistance against grain boundary fracture, fatigue strength, and oxidation resistance at temperatures near 1000° C. or higher. The Ni-based alloy member includes a...
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7544424 |
Ni-base superalloy having a coating system containing a stabilizing layer
A coating process and system for an article having a substrate formed of a metal alloy that is prone to the formation of a secondary reaction zone (SRZ). The coating system includes an...
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7544394 |
Method for producing a thermal barrier coating/environmental barrier coating system
In accordance with an embodiment of the invention, an article is provided. The article comprises a substrate comprised of silicon containing material, an environmental barrier coating (EBC)...
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7530794 |
Rotor blade for a first phase of a gas turbine
Blade ( 1 ) of a rotor for a first phase of a gas turbine having a profile identified by means of a series of closed intersection curves ( 20 ) between the profile itself and planes (X,Y) lying at...
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7530792 |
Component of variable thickness having residual compressive stresses therein, and method therefor
A method of reducing crack propagation includes: providing a metallic component having an exterior surface, and using a burnishing element to apply a varying to the exterior surface within a...
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7527479 |
Mechanical coupling for a rotor shaft assembly of dissimilar materials
A mechanical coupling for coupling a ceramic disc member to a metallic shaft includes a first wedge clamp and a second wedge clamp. A fastener engages a threaded end of a tie-bolt to sandwich the...
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7527877 |
Platinum group bond coat modified for diffusion control
A modified platinum group metal coating composition comprising a phase having a solid solution face-centered cubic (fcc) crystal structure, rich in platinum group materials. In order to be...
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7524162 |
Rotor for a rotating machine, in particular a steam turbine
A rotor for a rotating machine, in particular a steam turbine includes at least one subregion composed of a metal structure having a reduced density and including a multiplicity of finely...
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7516547 |
Dovetail surface enhancement for durability
A gas turbine engine blade having a dovetail with an enhanced surface for durability is disclosed. The blade includes an airfoil section and a dovetail section disposed opposite the airfoil...
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7514157 |
Reaction control turbine blade
A reaction control turbine blade is formed by applying a reaction control material to the surface of an Ni-base superalloy before applying aluminum diffusion coating to the Ni-base superalloy. The...
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7510776 |
Thermal barrier coating with thermoluminescent indicator material embedded therein
A coating material ( 20 ) for coating a machine component ( 10 ), especially a gas turbine or a part thereof, comprises a mixture of at least a refractory material and an indicator material having...
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7510779 |
Low-sulfur article having a platinum aluminide protective layer and its preparation
A coated article is prepared by furnishing a nickel-base article substrate having a free sulfur content of more than 0 but less than about 1 part per million by weight. A protective layer is formed...
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7510778 |
Part for protecting the leading edge of a blade
A protection part comprising at least two layers including an outer layer and an inner layer has its outer layer made of an aluminum alloy that is reinforced with particles of SiC, the SiC particle...
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7507484 |
Bond coat compositions and arrangements of same capable of self healing
A thermal barrier coating (TBC) system ( 450 ) capable of self-healing has a substrate ( 420 ), a metal-based advanced bond coat ( 435 ) overlying the substrate and a ceramic top coat ( 440 )...
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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...
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7507070 |
Gas turbine engine and a rotor for a gas turbine engine
A rotor ( 38 ) for a gas turbine engine ( 10 ) has a low emissivity surface finish, or high emissivity surface finish ( 44 ), on at least a portion of its surface ( 42 ) to reduce temperature...
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7504157 |
Strontium titanium oxides and abradable coatings made therefrom
Abradable coatings are provided. The coatings comprise SrTiO in combination with a ceramic, such as ytrria stabilized zirconia, or SrTiO in combination with an MCrAlX, such as NiCoCrAlY. The...
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7500828 |
Airfoil having porous metal filled cavities
A turbine airfoil used in a gas turbine engine includes a plurality of cavities opening in a direction facing the airfoil surface, each cavity having cooling holes communicating with an internal...
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7501187 |
Thermal barrier coating method and article
An outwardly grown diffusion aluminide bondcoat is formed on a superalloy substrate and has higher concentrations of Al and Pt and lower concentrations of harmful impurities (e.g. Mo, W, Cr, Ta, S,...
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7498087 |
Vapour turbine
Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of rotor blades made of a nickel alloy...
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7494719 |
Component with a platinum-aluminum substrate area, platinum-aluminum coating and production method
A component having a platinum-aluminum substrate surface region which is formed in the area of the substrate surface of the component by diffusion of platinum and aluminum into the substrate...
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7491033 |
Fluid flow machine blade
A fluid flow machine blade ( 1 ) is provided on the outer contour of the airfoil ( 4 ) with a thermal barrier coating ( 41 ). In this context, quite purposefully, only part-regions of the airfoil...
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7484926 |
Steam turbine power plant
A steam turbine power plant which is provided with an extra-high-pressure turbine 100 , a high-pressure turbine 200 , an intermediate-pressure turbine 300 and a low-pressure turbine 400 , and...
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7478994 |
Airfoil with supplemental cooling channel adjacent leading edge
An airfoil, and in a disclosed embodiment a rotor blade, has film cooling holes formed at a leading edge. A supplemental film cooling channel is positioned near the leading edge, but spaced toward...
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7476450 |
Coating suitable for use as a bondcoat in a thermal barrier coating system
A coating suitable for use as a bondcoat for a thermal barrier coating system includes about 5 to about 10 weight percent of aluminum (Al), about 10 to about 18 weight percent of cobalt (Co), about...
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7476453 |
Low thermal conductivity thermal barrier coating system and method therefor
In accordance with an embodiment of the invention, a thermal barrier coating for inclusion in a thermal barrier coating system is provided. The thermal barrier coating comprises a compound having a...
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7476078 |
Rotor with core surrounded by shielding rings
A rotor of a thermally loaded turbomachine, in particular of a compressor or a gas turbine, is mounted such that it can rotate about a rotor axis and is concentrically surrounded by a hot-gas duct...
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7468213 |
Heat-insulating layer made of complex perovskite
A heat-insulating material has a melting point above 2500° C., a thermal expansion coefficient in excess of 8×10 −6 K −1 , and a sintering temperature greater than 1400° C. It has a...
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7458765 |
Diamond hard coating of ferrous substrates
The present invention relates to hard coating of ferrous metal substrates using a laser beam with diamond particles in a metal matrix produced from precursor powders of metals which bond to the...
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7449254 |
Environmental barrier coating with physical barrier layer for silicon-comprising materials
An article comprising a substrate formed of a silicon-comprising material, such as an article exposed to the hostile thermal environment of a gas turbine engine. The article further comprises an...
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7445434 |
Coating material for thermal barrier coating having excellent corrosion resistance and heat resistance and method of producing the same
A coating material for a thermal barrier coating having excellent corrosion resistance and heat resistance comprises a substrate, an undercoat made of an aluminum-containing heat-resistant alloy,...
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7442444 |
Bond coat for silicon-containing substrate for EBC and processes for preparing same
An article comprising a silicon-containing substrate, a silicide-containing bond coat layer overlying the substrate, and typically an environmental barrier coating overlaying the bond coat layer....
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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...
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7435056 |
Leading edge erosion protection for composite stator vanes
The present invention provides a turbofan engine including leading edge erosion protection for composite stator vanes contained therein. The composite stator vanes are defined by a leading edge, a...
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7435058 |
Ceramic matrix composite vane with chordwise stiffener
A means ( 22 ) for structurally stiffening or reinforcing a ceramic matrix composite (CMC) gas turbine component, such as an airfoil-shaped component, is provided. This structural stiffening or...
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7431566 |
Erosion resistant coatings and methods thereof
Erosion resistant coating processes and material improvements for line-of-sight applications. The erosion resistant coating composition includes nanostructured grains of tungsten carbide (WC)...
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7429424 |
Sintering resistant, low conductivity, high stability thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability
In accordance with an embodiment of the invention, a thermal barrier coating (TBC) for inclusion in a thermal barrier coating/environmental barrier coating system (TBC/EBC system) for use on a...
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7425115 |
Thermal turbomachine
A thermal turbomachine is disclosed having at least one row of rotor blades. At least one first rotor blade has a greater radial length than the others and at the blade tip is equipped with a first...
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7422798 |
Vapour turbine
Vapour turbine operating with geothermal vapours containing corrosive agents or aggressive substances such as chlorides and/or sulfides in particular. The turbine comprises a series of stator...
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7422769 |
Protective coating for application to a substrate and method for manufacturing a protective coating
A refractory, oxidation-resistant, and corrosion-resistant protective coating for application to a substrate, in particular for application to parts of turbines or aircraft propulsion engines, is...
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7422417 |
Airfoil with a porous fiber metal layer
An air cooled airfoil for use in a gas turbine engine includes a base, a porous material on the base, and a thermal barrier coating (TBC) applied to the porous material, with cooling holes in the...
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