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| Number | Title | Issue Date |
| 8075279 | Coated turbine blade The invention refers to a coated turbine blade for a gas turbine, having blade walls divided into sections with locally adapted material temperatures. The cooler material temperatures of the blade walls are at the points where the support ribs merge into the blade w... | 12/13/2011 |
| 7909581 | Layer system, use and process for producing a layer system Layered systems, which are used at high temperatures, often degrade rapidly when a layer has been lost, leading to the damage or loss of the component that consists of said layered system. A described layered system comprises at least one cooling safety orifice, whi... | 03/22/2011 |
| 7887300 | CMC airfoil with thin trailing edge An airfoil (10) as may be used in a gas turbine engine includes a ceramic matrix composite (CMC) element (12) that extends to define a leading edge portion (14) and chord portion (16) of the airfoil, and a separately formed but conjoined ... | 02/15/2011 |
| 7500833 | Method for repairing a component of a turbomachine The invention relates to a method for repairing a damaged and/or aged component of a turbomachine, which is made at least in part of a ceramic composite material. The aim of the invention is to create a method which allows the downtime of the turbomachine caused by ... | 03/10/2009 |
| 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) and/or submicron sized grains of WC embedded into a cobalt chromium (CoCr)... | 10/07/2008 |
| 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 silicon containing material substrate is provided. The TBC comprises a co... | 09/30/2008 |
| 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 base and the TBC to allow for cooling air to flow from within the airf... | 09/09/2008 |
| 7419363 | Turbine blade with ceramic tip A blade used in a gas turbine engine in which the blade is formed of a blade portion made from a metallic material, and a tip portion made of a ceramic material, the tip portion forming at least 10% of the overall blade length such that the blade is lighter than a a... | 09/02/2008 |
| 7416788 | Thermal barrier coating resistant to penetration by environmental contaminants A turbine engine component includes an electron beam-physical vapor deposition thermal barrier coating covering at least a portion of a substrate. The thermal barrier coating includes an inner layer having a columnar-grained microstructure with inter-columnar gap po... | 08/26/2008 |
| 7413808 | Thermal barrier coating An article has a metallic substrate having a first emissivity. A thermal barrier coating atop the substrate may have an emissivity that is a substantial fraction of the first emissivity. ... | 08/19/2008 |
| 7410342 | Airfoil support A blade or a vane preferably used in a gas turbine engine, the blade or vane being formed of a metallic core or insert with a ceramic airfoil surface bonded to the metallic insert. The insert includes a series of concave and convex portions arranged along the outer ... | 08/12/2008 |
| 7407718 | Thermal/environmental barrier coating system for silicon-containing materials A coating system for Si-containing materials, particularly Si-based composites used to produce articles exposed to high temperatures. The coating system is a compositionally-graded thermal/environmental barrier coating (T/EBC) system that includes an intermediate la... | 08/05/2008 |
| 7402347 | In-situ formed thermal barrier coating for a ceramic component A thermal barrier layer (20) is formed by exposing an oxide ceramic material to a thermal regiment to create a surface heat affected zone effective to protect an underlying structural layer (18) of the material. The heat affected surface layer exhibits... | 07/22/2008 |
| 7378159 | Protected article having a layered protective structure overlying a substrate A protected article has a substrate and a protective structure overlying a surface of the substrate. The protective structure includes a protective layer overlying the surface of the substrate and having an aluminum content greater than that of the substrate, and a ... | 05/27/2008 |
| 7374825 | Protection of thermal barrier coating by an impermeable barrier coating According to an embodiment of the invention, disclosed is a composite comprising a porous thermal barrier coating on a metallic part and an impermeable barrier coating adjacent to the outer surface of the thermal barrier coating. The impermeable barrier coating is d... | 05/20/2008 |
| 7368164 | Smooth outer coating for combustor components and coating method therefor A coating and method for overcoating a TBC on a component used in a high-temperature environment, such as the combustor section of an industrial gas turbine. The coating defines the outermost surface of the component and is formed of at least two layers having diffe... | 05/06/2008 |
| 7364807 | 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, an article is provided. The article comprises a substrate comprised of silicon containing material, an environmental barrier coating (EBC) overlying the substrate and a thermal barrier coating (TBC) on the environme... | 04/29/2008 |
| 7364806 | Thermal barrier coating system method of manufacturing the same A thermal barrier coating system comprising a metal substrate, a metal bonding layer and a ceramics thermal barrier layer wherein the ceramics thermal barrier layer has a columnar structure of a stabilized zirconia containing a stabilizer or a stabilized ZrO2 | 04/29/2008 |
| 7364802 | Ceramic compositions useful in thermal barrier coatings having reduced thermal conductivity Ceramic compositions comprising at least about 91 mole % zirconia and up to about 9 mole % of a stabilizer component comprising a first metal oxide having selected from the group consisting of yttria, calcia, ceria, scandia, magnesia, india and mixtures thereof. Thi... | 04/29/2008 |
| 7357994 | Thermal/environmental barrier coating system for silicon-containing materials A coating system for Si-containing materials, particularly those for articles exposed to high temperatures. The coating system exhibits improved resistance to corrosion from sea salt and CMAS as a result of using aluminate compounds to protect silicate-containing la... | 04/15/2008 |
| 7354663 | Thermal barrier coating, manufacturing method thereof, turbine part and gas turbine A thermal barrier coating enabling to prevent peeling of layer in a high temperature use and still having a high thermal barrier effect, a turbine part coated by this thermal barrier coating and a gas turbine comprising this turbine part are provided. The thermal ba... | 04/08/2008 |
| 7341797 | Environmental barrier coating for silicon-containing substrates and process therefor A protective coating for use on a silicon-containing substrate, and deposition methods therefor. The coating has a barium-strontium-aluminosilicate (BSAS) composition that is less susceptible to degradation by volatilization and in corrosive environments as a result... | 03/11/2008 |
| 7335429 | Coating and coating process incorporating raised surface features for an air-cooled surface A coating and coating process for incorporating surface features on an air-cooled substrate surface of a component for the purpose of promoting heat transfer from the component. The coating process generally comprises depositing a first metallic coating material on ... | 02/26/2008 |
| 7326470 | Thin 7YSZ, interfacial layer as cyclic durability (spallation) life enhancement for low conductivity TBCs A spallation resistant metallic article comprising a metallic substrate, at least one ceramic thermal barrier coating comprising a zirconia base and at least one other element selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, ... | 02/05/2008 |
| 7326469 | Coating system and process and apparatus for depositing a coating system A coating system for reducing the tendency for hydrocarbon fluids, such as fuels and oils, to form carbonaceous deposits that adhere to fluid containment surfaces. The coating system combines an outermost layer of platinum with an inner ceramic barrier layer of sili... | 02/05/2008 |
| 7326468 | Thermal/environmental barrier coating 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 environmental barrier layer, e.g., an alkaline earth metal aluminosilic... | 02/05/2008 |
| 7318955 | Thermal barrier coating with modulated grain structure and method therefor Thermal barrier coating (TBC) and a method of depositing a TBC having a modulated columnar microstructure that exhibits increased impact resistance. The TBC is deposited to have a columnar microstructure in which columns extend from a substrate surface. The columns ... | 01/15/2008 |
| 7314674 | Corrosion resistant coating composition, coated turbine component and method for coating same A composition comprising a particulate corrosion resistant component, and a glass-forming binder component. The particulate corrosion resistant component comprises from 0 to about 95% alumina particulates, and from about 5 to 100% corrosion resistant non-alumina par... | 01/01/2008 |
| 7311979 | Method and coating system for reducing carbonaceous deposits on surfaces exposed to hydrocarbon fuels at elevated temperatures A coating system and method for reducing the tendency for hydrocarbon fluids, such as fuels and oils, to form carbonaceous deposits that adhere to a wall of a containment article. Of particular concern are carbonaceous deposits that form at temperatures below about ... | 12/25/2007 |
| 7309530 | Thermal barrier coating with reduced sintering and increased impact resistance, and process of making same A composition is disclosed that includes an at least partially stabilized zirconia matrix with a pentavalent oxide first dopant and an oxide second dopant. A coated article is disclosed for use in a high temperature a gas turbine. The coated article can include an y... | 12/18/2007 |
| 7306859 | Thermal barrier coating system and process therefor A coating process and TBC system suitable for protecting the surface of a component subjected to a hostile thermal environment. The TBC system has a first layer with a columnar microstructure, and a second layer on the first layer and with a microstructure character... | 12/11/2007 |
| 7306828 | Fabrication of reinforced composite material comprising carbon nanotubes, fullerenes, and vapor-grown carbon fibers for thermal barrier materials, structural ceramics, and multifunctional nanocomposite ceramics The present invention is directed towards a ceramic nanocomposite comprising a nanostructured carbon component inside a ceramic host. The ceramic nanocomposite may further comprise vapor grown carbon fibers. Such nanostructured carbon materials impart both structura... | 12/11/2007 |
| 7300708 | Erosion and wear resistant protective structures for turbine engine components An erosion resistant protective structure for a turbine engine component comprises a shape memory alloy. The shape memory alloy includes nickel-titanium based alloys, indium-titanium based alloys, nickel-aluminum based alloys, nickel-gallium based alloys, copper bas... | 11/27/2007 |
| 7291408 | Thermal barrier coatings with low thermal conductivity A ceramic material having particular utility as a thermal insulating or thermal barrier coating on metallic substrates is provided. The ceramic material broadly comprises at least one oxide and the balance comprising a first oxide selected from the group consisting ... | 11/06/2007 |
| 7291403 | Thermal barrier coating system A TBC system suitable for protecting the surface of a substrate subjected to a hostile thermal environment. The TBC system comprises a bond coat on the substrate surface, an alumina scale on the bond coat, and a multilayer TBC comprising a thermal-sprayed first cera... | 11/06/2007 |
| 7287960 | Titanium aluminide wheel and steel shaft connection thereto Titanium aluminide (TiAl) rotor shaft assembly (10) of a type used in a turbocharger has a TiAl rotor (20) with an axially protruded portion (40) that is fixedly joined to a recessed portion (50) of a metal shaft (30) by the synerg... | 10/30/2007 |
| 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 |
| 7255940 | Thermal barrier coatings with high fracture toughness underlayer for improved impact resistance A reduced thermal conductivity thermal barrier coating having improved impact resistance for an underlying substrate of articles that operate at, or are exposed to, high temperatures. This coating comprises an inner high fracture toughness layer nearest to the under... | 08/14/2007 |
| 7255535 | Cooling systems for stacked laminate CMC vane Embodiments of the invention relate to various cooling systems for a turbine vane made of stacked ceramic matrix composite (CMC) laminates. Each airfoil-shaped laminate has an in-plane direction and a through thickness direction substantially normal to the in-plane ... | 08/14/2007 |
| 7250224 | Coating system and method for vibrational damping of gas turbine engine airfoils A coating system and coating method for damping vibration in an airfoil of a rotating component of a turbomachine. The coating system includes a metallic coating on a surface of the airfoil, and a ceramic coating overlying the metallic coating. The metallic coating ... | 07/31/2007 |
