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7153090 System and method for passive load attenuation in a wind turbine  
In accordance with certain embodiments, a wind turbine blade includes an outer skin and an internal support structure. The skin has a closed airfoil shape and includes an outer surface, an inner...
7150926 Thermal barrier coating with stabilized compliant microstructure  
A thermal barrier coating for a gas turbine component includes a bond coating layer, at least a first segmented columnar ceramic layer on the bond coating layer, and a particulate...
7150922 Beta-phase nickel aluminide overlay coatings and process therefor  
A beta-phase nickel aluminide (NiAl) overlay coating ( 24 ) and method for modifying the grain structure of the coating ( 24 ) to improve its oxidation resistance. The coating ( 24 ) is deposited...
RE39398 Apparatus and methods for cooling slot step elimination  
An airfoil core die includes a tab for forming a continuous and smooth contour and extension of a first trailing edge slot recessed all to a bottom of the airfoil. The contour is formed on each...
RE39320 Thermal barrier coating wrap for turbine airfoil  
An airfoil having extended life due to reduction in stresses. The stresses are reduced by extending the thermal barrier coating below the radius between the outer band perimeter and the inner flow...
7112044 Blades  
Percussive impacts due to bird strikes upon the hollow fan blades 20 are a well known problem. These percussive impacts not only deform previous fan blades but also reduce their stiffness. In...
7097720 Lower fluence boundary laser shock peening  
A method for laser shock peening an article including laser shock peening a first area with at least one high fluence laser beam and laser shock peening a border area between the first area and a...
7097430 Injection moulding of plastic fans  
A method of manufacturing a fan from a plurality of fan blades ( 12 ), comprising the steps of: providing an injection moulding tool ( 30 ) which defines a fan hub section ( 14 ); assembling a...
7097431 Mechanical kinetic vacuum pump  
A mechanical vacuum pump includes a rotor made of a light metal alloy by powder metallurgy. The powder metallurgy increases the resistance of the rotor to heat and creep.
7096712 Material testing system for turbines  
The wear resistance of impellers used in multi-stage turbine pumps is tested by using a multi-stage turbine pump having impellers with different physical properties to pump a fluid containing small...
7094027 Row of long and short chord length and high and low temperature capability turbine airfoils  
A gas turbine engine turbine stage has an annular row of turbine airfoils including a first plurality of first airfoils having a first chord length and a second plurality of second airfoils having...
7094445 Dimensionally controlled pack aluminiding of internal surfaces of a hollow article  
An article such as a hollow gas turbine blade has an internal cavity therein with an inlet and outlet. The outlet has an outlet minimum transverse dimension of from about 0.009 inch to about 0.012...
7094475 MCrAlY-coating  
A gas turbine component consists of a superalloy base material with a single crystal structure and a protective MCrAlY-coating ( 6 ). The MCrAlY-coating ( 6 ) has a g/g′ single crystal structure,...
7094035 Hybrid blade for thermal turbomachines  
The invention relates to a hybrid blade ( 1 ) for thermal turbomachines, having an airfoil ( 2 ) made of a metallic material of a certain density, and having a blade root ( 3 ). It is characterized...
7083389 Compressor for gas turbines  
A compressor for a gas turbine has, on the surfaces of its components, in particular of its blading, a coating for protecting the surfaces from erosion. The coating has at least two layers or a...
7070853 Layer system comprising a substrate, and an outer porous layer  
Coating systems according to the prior art, wherein a ceramic layer is applied to a metallic layer of the coating system, the connection between metal and ceramic often being poor. A coating...
7060366 Article including a substrate with a metallic coating and a chromium-aluminide 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...
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...
7048507 Axial-flow thermal turbomachine  
The invention relates to an axial-flow thermal turbomachine having a metallic rotor ( 1 ), in which rotor blades ( 3 ) made of an intermetallic compound are mounted in a circumferential groove to...
7011894 Method of making a protective coating forming a thermal barrier with a bonding underlayer on a superalloy substrate, and a part obtained thereby  
A protective coating forming a thermal barrier is made on a superalloy metal substrate by forming a bonding underlayer on the substrate, the bonding underlayer being constituted by an intermetallic...
7001151 Gas turbine bucket tip cap  
A tip cap for a turbine blade. The tip cap may include a HS-188 sheet material with a thickness of less than about 0.079 inches (about 2 millimeters) and a number of holes positioned in the sheet...
7001674 Exposure method, exposure apparatus, and method of production of device  
An exposure method for preventing accumulation of process error for substrates processed by an apparatus designed for multiprocessing and producing high quality semiconductor chips. A semiconductor...
6991434 Method of producing components subjected to flow, and components made by said method  
The invention relates to a method of producing disc-shaped or ring-shaped components subjected to flow. The components are produced by milling and finish machining downstream of the milling, the...
6979180 Hollow component with internal damping  
A component, for example a fan blade for a gas turbine engine, comprises panels 2 and 4 which define between them a cavity containing a warren girder structure 6 . Internal surfaces of the...
6974508 Nickel base superalloy turbine disk  
A low solvus, high refractory alloy having unusually versatile processing mechanical property capabilities for advanced disks and rotors in gas turbine engines. The nickel base superalloy has a...
6969238 Tri-property rotor assembly of a turbine engine, and method for its preparation  
A rotor assembly of an axial flow turbine engine has a bladed ring including a ring, and a plurality of turbine blades affixed to the ring and extending radially outwardly from the ring. There is a...
6969240 Integral turbine composed of a cast single crystal blade ring diffusion bonded to a high strength disk  
A lightweight high temperature bladed turbine disk intended for use in gas turbine engines. The bladed disk comprises a cast integral ring of single crystal airfoils with the primary and secondary...
6964818 Thermal protection of an article by a protective coating having a mixture of quasicrystalline and non-quasicrystalline phases  
A coated article includes formed of an alloy having a composition including nickel and aluminum, and a protective coating overlying and contacting the substrate. The protective coating is a mixture...
6932570 Methods and apparatus for extending gas turbine engine airfoils useful life  
A method enables a gas turbine engine blade to be manufactured to include an airfoil, a platform, a shank, and a dovetail. The platform extends between the airfoil and the shank, the shank extends...
6933062 Article having an improved platinum-aluminum-hafnium protective coating  
An article protected by a protective coating has a substrate and a protective coating having an outer layer deposited upon the substrate surface and a diffusion zone formed by interdiffusion of the...
6933052 Diffusion barrier and protective coating for turbine engine component and method for forming  
A turbine engine component comprising a substrate made of a nickel-base or cobalt-base superalloy, a non-metallic oxide or nitride diffusion barrier layer overlying the substrate, and a protective...
6929868 SRZ-susceptible superalloy article having a protective layer thereon  
A protected article includes a substrate having a substrate surface and made of a substrate nickel-base superalloy that is susceptible to the formation of a secondary reaction zone, as when...
6924045 Bond or overlay MCrAIY-coating  
It is disclosed a bond or overlay MCrAlY-coating for the use within a high temperature environment for the protection of the base alloy of turbine blades and vanes. The MCrAlY-coating having a γ...
6921582 Oxidation-resistant coatings bonded to metal substrates, and related articles and processes  
An article is described, which includes a metal-based substrate and an oxidation-resistant coating bonded to the substrate by a bonding agent, such as a braze material The oxidation-resistant...
6921251 Aluminide or chromide coating of turbine engine rotor component  
A turbine engine rotor component, such as a compressor or turbine disk or seal element, is protected from corrosion by depositing an aluminum or chromium coating on the component. The deposition...
6916529 High temperature, oxidation-resistant abradable coatings containing microballoons and method for applying same  
An abradable coating composition for use on shrouds in gas turbine engines or other hot gas path metal components exposed to high temperatures containing an initial porous coating phase created by...
6905306 Mechanical kinetic vacuum pump with rotor and shaft  
A mechanical kinetic vacuum pump with a stator ( 1 ), a rotor ( 6, 7 ) made from an aluminum or magnesium alloy and a rotor ( 6, 7 ) and a bearing shaft ( 3 ). The shaft ( 3 ) and the rotor ( 6, 7...
6896488 Bond coat process for thermal barrier coating  
A bond coat process for thermal barrier coatings. The method includes, after cleaning and masking the external surface of the substrate, first applying a layer of NiCrZr alloy to the external...
6896485 Combustion engine, gas turbine, and polishing layer  
The present invention provides a gas turbine in which a proper clearance is kept between a rotor blade and a shroud for a long period of time from the operation start, so that damage to the rotor...
6893225 Metallic article with integral end band under compression  
An article made of a metallic material and comprising a body and a body end portion integral with the body, includes a band of the metallic material at the end portion substantially through the...
6890145 Vacuum pump  
A vacuum pump has a pump case having a gas suction port at an upper surface thereof, a rotor shaft mounted in the pump case for undergoing rotation, and a rotor connected to the rotor shaft for...
6887589 Nickel aluminide coating and coating systems formed therewith  
A beta-phase NiAl overlay coating containing a dispersion of ceramic particles and a process for depositing the overlay coating. If the coating is used to adhere a thermal barrier coating (TBC),...
6887587 Reflective coatings to reduce radiation heat transfer  
The present invention relates to a method for forming an article having a protective ceramic coating which reduces radiation heat transport through the ceramic coating. The protective ceramic...
6884515 Afterburner seals with heat rejection coats  
A method for applying a coating system that is applied to a surface of a component for preventing or at least substantially preventing interdiffision between the component surface and a protective...
6861157 Article for high temperature service and method for manufacture  
Articles for use in a high-temperature, oxidative environment, methods for manufacturing such articles, and a material system for protecting articles in such an environment are provided where, for...
6860714 Gas turbine having alloy castings with craze-free cooling passages  
An airfoil for an internal combustion engine, such as a gas turbine, formed by use of a preform. The airfoil includes: an outer surface forming the foil shape; and a plurality of craze-free cooling...
6844086 Nickel-base superalloy article substrate having aluminide coating thereon, and its fabrication  
A coated superalloy article is prepared by furnishing a nickel-base superalloy article substrate having a rhenium content of not less than about 4.0 percent by weight, and thereafter depositing an...
6837687 Foil formed structure for turbine airfoil  
An airfoil body having a first wall including a plurality of ribs. An outer wall formed of a high temperature foil is attached to the ribs so as to form a plurality of channels. The first wall is...
6838190 Article with intermediate layer and protective layer, and its fabrication  
A protected article includes a nickel-base superalloy substrate, an interlayer overlying the substrate, and a protective layer overlying the interlayer. The protective layer has a composition...
6827556 Moving blade for a turbomachine and turbomachine  
A novel blade configuration does not exceed the permitted stresses for particular loads, especially as a result of centrifugal forces and which at the same time, allows the turbomachine to function...