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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...
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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...
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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.
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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...
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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...
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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...
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7368177 |
Highly oxidation resistant component
An oxidation resistant component is disclosed comprising a substrate and a protective layer. The protective layer consists of an inner MCrAlY layer contiguous with the substrate and an outer layer...
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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)...
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7364801 |
Turbine component protected with environmental coating
An environmental coating suitable for use on turbine components, such as turbine disks and turbine seal elements, formed of alloys susceptible to oxidation and hot corrosion. The environmental...
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7361386 |
Functional coatings for the reduction of oxygen permeation and stress and method of forming the same
The oxidation behavior of the bond coat is improved using a HVOF nanostructured NiCrAlY coating. NiCrAlY powder is mechanically cryomilled and HVOF sprayed onto Ni-based alloy to form a...
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7360993 |
Fatigue resistant large hollow rotor blade for underwater energy converter
A method and means of counteracting the effects of variation in static pressure acting upon a hollow rotor blade or hydrofoil ( 6, 7 ) for devices capable of extracting energy from a moving column...
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7354651 |
Bond coat for corrosion resistant EBC for silicon-containing substrate and processes for preparing same
An article comprising a silicon-containing substrate, a silicide-containing bond coat layer overlying the substrate, and an environmental barrier coating (EBC) overlying the bond coat layer,...
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7347663 |
Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner
The invention provides a method for performing abrasion resistant surface treatment on a surface of a rotary member. The abrasion resistant surface treatment method is characterized by including...
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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...
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7338259 |
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,...
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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...
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7334330 |
Thermally insulating layer incorporating a distinguishing agent and method for inspecting the same
Thermally insulating layer incorporating a distinguishing agent and method for inspecting the insulating layer are provided. The distinguishing agent may be used for determining a remaining...
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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...
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7316850 |
Modified MCrAlY coatings on turbine blade tips with improved durability
There is provided a method for depositing a modified MCrAlY coating on a turbine blade tip. The method utilizes laser deposition techniques to provide a metallurgical bond between a turbine blade...
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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...
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7314670 |
Welded component
A welded component includes at least one high temperature segment of a high alloy Cr steel with high creep strength and a low temperature segment of a low alloy steel with high toughness and/or a...
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7311981 |
Gas turbine part provided with a protective coating
A gas turbine part comprises a superalloy metal substrate, a bonding underlayer formed on the substrate and comprising an intermetallic compound of aluminum, nickel, and platinum, and a ceramic...
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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...
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7294413 |
Substrate protected by superalloy bond coat system and microcracked thermal barrier coating
A protected article includes a substrate having a surface, and a protective system overlying and contacting a first portion of the surface of the substrate. The protective system has a nickel-base...
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7288328 |
Superalloy article having a gamma-prime nickel aluminide coating
An article for use in hostile thermal environments, such as a component of a gas turbine engine. The article includes a nickel-base superalloy substrate that is prone to formation of a deleterious...
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7278829 |
Gas turbine blade having a monocrystalline airfoil with a repair squealer tip, and repair method
A repaired gas turbine blade includes a turbine blade body having a monocrystalline airfoil made of a first nickel-base superalloy, and a repair squealer tip welded to a tip of the airfoil. The...
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7264888 |
Coating systems containing gamma-prime nickel aluminide coating
An overlay coating for articles used in hostile thermal environments. The coating has a predominantly gamma prime-phase nickel aluminide (Ni 3 Al) composition suitable for use as an environmental...
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7264887 |
MCrAlY bond coating and method of depositing said MCrAlY bond coating
A method of depositing a bond coating to a surface of an article includes the steps of depositing an inner layer of the bond coating consisting of β-NiAl comprising Fe, Ga, Mo, B, Hf or Zr or...
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7261955 |
MCrAlX alloy and turbine component having protective layer made from MCrAlX alloy
Protective layers of the MCrAlX type according to the prior art are often provided with a platinum layer to prevent diffusion of elements out of the base material into the MCrAlX. The MCrAlX alloy...
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7261518 |
Locking arrangement for radial entry turbine blades
A locking arrangement for a row of radial entry blades ( 62 ) of a turbo-machine. A closing blade ( 66 ) includes a root portion ( 74 ) having an axial attachment shape ( 78 ) for engagement with...
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7252480 |
Methods for generation of dual thickness internal pack coatings and objects produced thereby
A method for generating an internal pack coating having different, controlled thicknesses includes partially filling a root opening of a turbine blade having a cavity therein with a first powder...
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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...
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7247393 |
Gamma prime phase-containing nickel aluminide coating
An intermetallic composition suitable for use as an environmentally-protective coating on surfaces of components used in hostile thermal environments, including the turbine, combustor and augmentor...
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7238005 |
Steam turbine power plant
An intermediate-pressure turbine is divided into a high-temperature, high-pressure side high-temperature, intermediate-pressure turbine section 11 a and a low-temperature, low-pressure side...
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7229705 |
Mischmetal oxide TBC
The present invention is a turbine engine component comprising a superalloy substrate, a bond coat overlying the substrate having a thickness in the range of about 0.0005 inch to about 0.005 inch,...
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7226672 |
Turbine components with thermal barrier coatings
A turbine component has a substrate formed from a ceramic material selected from the group consisting of a monolithic ceramic material and a composite ceramic material and a thermal barrier coating...
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7217102 |
Countering laser shock peening induced airfoil twist using shot peening
A gas turbine engine blade is laser shock peened by laser shock peening a thin airfoil of the blade, forming a laser shock induced twist in the airfoil, and shot peening a portion of the airfoil to...
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7217099 |
Coated forward stub shaft dovetail slot
A compressor forward stub shaft comprising a plurality of axially spaced, annular rows of dovetail grooves, at least a first and a second of the plurality of rows having dovetail slots coated in...
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7208230 |
Optical reflector for reducing radiation heat transfer to hot engine parts
A high temperature gas turbine component for use in the gas flow path that comprises a specular optical reflector coating system. A thin specular optical reflector coating system is applied to the...
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7208232 |
Structural environmentally-protective coating
A coating suitable for use as an environmentally-protective coating on surfaces of components used in hostile thermal environments, including the turbine, combustor and augmentor sections of a gas...
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7204677 |
Countering laser shock peening induced blade twist
A method for laser shock peening a gas turbine engine blade includes laser shock peening a thin airfoil of the blade, forming a laser shock induced twist in the airfoil, and altering a root of the...
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7198858 |
Method of vibration damping in metallic articles
A metal is used as a predominant component of an outermost metallic portion of a ceramic-containing and metal-containing vibration damping coating for a metallic article, for the purpose of...
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7189459 |
Turbine blade for extreme temperature conditions
One exemplary embodiment of a turbine component (which may be a blade) comprises a substrate comprising a silicide-based material, a plurality of through holes disposed in the substrate, the holes...
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7186092 |
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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7186084 |
Hot gas path component with mesh and dimpled cooling
A component includes at least one wall having an inner portion and an outer portion. A number of pins extend between the inner and outer portions of the wall. The pins define a mesh cooling...
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7182575 |
Method of operating a wind turbine
A wind turbine has a generator ( 7 ) with a connected rotor ( 3 ) having a hub ( 4 ) and blades ( 5 ) rotatably connected to the hub for adjusting the pitch angle. In a method of operating such a...
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7172820 |
Strengthened bond coats for thermal barrier coatings
A strengthened bond coat for improving the adherence of a thermal barrier coating to an underlying metal substrate to resist spallation without degrading oxidation resistance of the bond coat. The...
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7169478 |
Aluminum-based multinary alloys and their use as heat- and corrosion-resistant coatings
Multinary alloys, in particular for use as coatings, if appropriate in combination with other types of layers, for components which are exposed to high temperatures and corrosive gases. The alloys...
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7166372 |
Thermal barrier coating utilizing a dispersion strengthened metallic bond coat
The present invention relates to an overlay coating which has improved strength properties. The overlay coating comprises a deposited layer of MCrAlY material containing discrete nitride particles...
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7165946 |
Low-mid turbine temperature abradable coating
In order to minimize a clearance between a turbine and its housing, and thus, improve the efficiency of a turbine engine, an abradable coating can be applied to an inner surface of the turbine...
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