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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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),...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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