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| Number | Title | Issue Date |
| 8152473 | Airfoil design for rotor and stator blades of a turbomachine For the rotor and stator blades of turbomachines, more particularly of gas-turbine engines, an airfoil design is provided with a defined area of a skeleton line angle distribution for skeleton lines of airfoil sections near the gap. With the distribution of the dime... | 04/10/2012 |
| 8147209 | Wind turbine blade A wind turbine comprising a wind turbine blade with high lift and/or low solidity is provided. The blade is directed towards pitch regulated wind turbines, which are operated at variable rotor speed and have blades longer than about 30 meters. The blade is for examp... | 04/03/2012 |
| 8137075 | Compressor impellers, compressor sections including the compressor impellers, and methods of manufacturing Compressor impellers, compressor sections, and methods of manufacturing compressor impellers and cooling the compressor impellers are provided. In an embodiment, and by way of example only, a compressor impeller includes a bore section and a rim section. The bore se... | 03/20/2012 |
| 8118561 | Erosion- and impact-resistant coatings Erosion- and impact-resistant ceramic coatings suitable for protecting surfaces subjected to collisions with particles, including nominally round particles that typically inflict impact damage and more aggressive irregular-shaped particles that typically inflict ero... | 02/21/2012 |
| 8109735 | Cooled component with a featured surface and related manufacturing method An improved type of cooled component is disclosed. The cooled components, such as turbine airfoils and combustors, have a base metal structural member, including a metal sheet or blank, with a featured surface. The features, such as fins, pins, and other protrusions... | 02/07/2012 |
| 8083490 | Propeller for watercraft, outboard motor and watercraft including the same and the method for producing the same A propeller for watercraft having excellent abrasion resistance includes a propeller body having a blade and a hub portion, the propeller body being molded from an aluminum alloy by casting, and an anodic oxide coating of the aluminum alloy provided so as to cover a... | 12/27/2011 |
| 8079822 | Propeller for watercraft and outboard motor A propeller for watercraft having excellent abrasion resistance and deformation resistance includes a propeller body having a blade and a hub portion, the propeller body being composed of an aluminum alloy and having a Vickers hardness of no less than about 60 Hv an... | 12/20/2011 |
| 8070454 | Turbine airfoil with trailing edge A turbine airfoil with a relatively thick TBC applied over the airfoil surface. The airfoil has a surface contour on the trailing edge region with a forward end having a large amount of taper and a rearward end with less taper such that a substantially constant wall... | 12/06/2011 |
| 8043068 | Ni-Fe based super alloy, process of producing the same and gas turbine A Ni—Fe based super alloy having high strength and toughness at high temperatures even when used in high-temperature environments, and a process of producing the super alloy. A turbine disk using the super alloy, a process of producing the turbine disk, a turbine ... | 10/25/2011 |
| 8007246 | Methods and apparatus for coating gas turbine engines A method of fabricating a component for a gas turbine engine is provided. The method includes applying a bond coat to at least a portion of the component, applying a dense vertically cracked (DVC) thermal barrier coating to at least a portion of the bond coat using ... | 08/30/2011 |
| 7942641 | Varying fluence as a function of thickness during laser shock peening A method for simultaneously laser shock peening opposite laser shock peening surfaces on opposite sides of an article, such as a gas turbine engine airfoil, with varying thickness using oppositely aimed laser beams and varying surface fluence of the laser beams over... | 05/17/2011 |
| 7931446 | Treatment of turbine blades to increase hardness Turbine blades, including airfoils, of aviation or industrial gas turbine engines are treated with boron to improve surface hardness and/or durability. Both stainless steel components and titanium components may be treated with boron. Elemental boron is diffused int... | 04/26/2011 |
| 7871247 | High modulus metallic component for high vibratory operation A high modulus component, such as an aircraft engine turbine blade, is formed from a base metal that has a high modulus crystallographic orientation that is aligned with the primary, i.e. radial, direction of the turbine blade. The base metal is Ni, Fe, Ti, Co, Al, ... | 01/18/2011 |
| 7824159 | Compressor, titanium-made rotor blade, jet engine and titanium-made rotor blade producing method What disclosed is to form an abrasive coating having abrasiveness at a blade pressure side of a deposition layer using a second electrode composed of a second molded body molded from a mixed powder including a powder of a metal and a powder of a ceramic or the secon... | 11/02/2010 |
| 7802969 | Fan and impeller thereof A fan includes a housing, an impeller and a motor. The housing has a main body, a motor base and at least one supporting member disposed between the main body and the motor base. The impeller is disposed on the motor base and has a hub and a plurality of blades disp... | 09/28/2010 |
| 7780420 | Turbine blade with a foam metal leading or trailing edge A thin compressor blade used in a small aircraft gas turbine engine, in which the blade includes a main blade portion formed from a fiber reinforced resinous composite material to provide a lightweight and strong blade, and in which the leading edge or the trailing ... | 08/24/2010 |
| 7744351 | Material composition for producing a coating for a component made from a metallic base material, and coated metallic component The invention relates to a material composition that is used for producing a coating for a component, especially a turbine component, which is made of a metallic basic material, i.e. a metal or a metal alloy. Said material composition comprises a matrix material for... | 06/29/2010 |
| 7648341 | Process for restoring a turbine blade The restoring process machines out a crack in the platform of a turbine blade to form a pocket that then receives a plug of compatible material. The plug is brazed in place and the blade is the machined and cleaned to present a clean fresh surface where the plug is ... | 01/19/2010 |
| 7645123 | Turbine blade with TBC removed from blade tip region A turbine blade having a squealer tip rail forming a squealer pocket on the blade tip, and a row of blade tip peripheral film cooling holes on the pressure side and suction side of the blade for cooling the blade tip rails. A TBC is applied to the pressure side and ... | 01/12/2010 |
| 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 comprising a material having having a yield strength of least about 250 ksi an... | 09/01/2009 |
| 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 alloy or a near-β titanium alloy. Disclosed herein too is a process... | 08/18/2009 |
| 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 ceramic disc between the wedge clamps. An axial spring is positioned b... | 05/05/2009 |
| 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 have the thermal barrier coating, while well-defined se... | 02/17/2009 |
| 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, Cr2O3 layer as a middle layer on the undercoat, ... | 11/04/2008 |
| 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. An article is also provided wherein the environmental barrier coating ... | 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 |
| 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 trailing edge, a concave surface and a convex surface. The vanes are ... | 10/14/2008 |
| 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 reinforcing of the airfoil allows for reducing bending stress that ... | 10/14/2008 |
| 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 |
| 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 abrasive layer. At least one rotor blade which has a shorter radial ... | 09/16/2008 |
| 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 described, including a spray coating made of a thermally sprayed, prim... | 09/09/2008 |
| 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 |
| 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 blades and a series of rotor blades, each stator blade of the series of st... | 09/09/2008 |
| 7419358 | Method and device for compensation of the thermal expansion of a cellular wheel sluice rotors A cellular wheel sluice for the feeding of hot bulk material with stabilization of the radial play between the web ends of the cellular wheel and the wall of the housing borehole by means of the combination of materials of different thermal expansion coefficients, w... | 09/02/2008 |
| 7413778 | Bond coat with low deposited aluminum level and method therefore A method for applying a NiAl based bond coat and a diffusion aluminide coating to a metal substrate comprises, in part, coating a portion of the external surface of the superalloy substrate, by physical vapor deposition with a layer of a NiAl based metal alloy, wher... | 08/19/2008 |
| 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 |
| 7410701 | Component for rotary machine and rotary machine A coating layer is provided on a surface of the moving blades of a rotary machine. The coating layer includes a spray layer on the base material of the moving blades and a fluorocarbon resin layer on the spray layer. The spray layer is porous. The fluorocarbon resin... | 08/12/2008 |
| 7404700 | Turbine airfoil with fibrous reinforced TBC An airfoil used in a gas turbine engine exposed to high temperatures, the airfoil having a TBC layer that includes fibers of reinforcing material to add strength to the layer of TBC. The fibers are made from a similar material in which the airfoil is made from to wi... | 07/29/2008 |
| 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 |
