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8177696 |
Method and apparatus for milling thermal barrier coated metals
A method is provided for milling a thermal barrier coated metal part. This method includes selectively removing a portion of a ceramic coating using a mechanical cutting tool, thereby forming a...
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8157525 |
Methods and apparatus relating to turbine airfoil cooling apertures
An airfoil assembly for a turbine engine, that may comprise: an airfoil that includes at least one panel opening formed therein; and an aperture panel that includes at least one cooling aperture;...
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8153923 |
Method for producing a hole
There are a multiplicity of methods of making through-holes. In particular in the production of a multiplicity of film-cooling holes, as in gas turbine blades or combustion chamber elements, small...
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8109712 |
Method of producing a turbine or compressor component, and turbine or compressor component
Disclosed is a turbine or compressor component with an integrated cooling channel, in particular a turbine blade, and a method for producing the same. The cooling channel of the component is...
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8092159 |
Feeding film cooling holes from seal slots
A cooling arrangement for a first stage nozzle of a turbine includes a slot formed in a forward face of the first stage nozzle, the slot opening in a direction facing a combustor transition piece...
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8020296 |
Method for the production of secondary fluid ducts
A method for the production of secondary fluid ducts for a turbomachine, especially for fluid supply or fluid removal to/from a flow-wetted surface of the turbomachine, with the secondary fluid...
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8015705 |
Spar and shell blade with segmented shell
A turbine rotor blade with a spar and shell construction, where the shell has an airfoil shape and is formed of two shell segments with an upper shell half and a lower shell half. The upper shell...
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7992272 |
Method and apparatus for milling thermal barrier coated metals
A method is provided for milling a thermal barrier coated metal part. This method includes selectively removing a portion of a ceramic coating using a mechanical cutting tool, thereby forming a...
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7950147 |
Method for producing gas turbine components
A method for producing gas turbine components, in particular blades, blade sections or rotors with integral blades for a jet engine is provided. The method comprises at least the following steps:...
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7841083 |
Method of manufacturing a turbomachine component that includes cooling air discharge orifices
A method of producing cooling fluid discharge orifices in the wall of a part manufactured by the technique of lost wax casting in which a pattern of the part is produced in a wax mold, the orifices...
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7805822 |
Process for removing thermal barrier coatings
A process which uses an air jet containing non-abrasive particulate media at a low pressure which selectively removes thermal barrier coatings from components without damaging the metallic...
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7784183 |
System and method for adjusting performance of manufacturing operations or steps
A manufacturing system and manufacturing method for adjusting the performance of manufacturing operations or steps in manufacturing components having three-dimensional external structural...
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7772314 |
Masking material for holes of a component
Process of masking cooling holes of a gas turbine component with an external surface, comprising a cavity and a plurality of cooling holes before coating the gas turbine component, comprising the...
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7731481 |
Airfoil cooling with staggered refractory metal core microcircuits
A turbine engine component has an airfoil portion with a pressure side wall and a suction side wall and a cooling system. The cooling system has at least one cooling circuit disposed longitudinally...
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7640661 |
Process for manufacturing a reinforcing leading or trailing edge for a fan blade
A process for manufacturing reinforcing parts (14) for leading edges (10) and/or trailing edges (12) of fan blades (1) is described. In particular, this invention relates to the use of the SPF/DB...
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7625178 |
High effectiveness cooled turbine blade
An air-cooled turbine blade is provided having an airfoil shape defined by a convex suction side wall, a concave pressure side wall, a leading edge, a trailing edge, a root and a tip, the walls and...
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7584538 |
Method of forming a turbine blade with cooling channels
A method of constructing a turbine blade for a gas turbine engine is provided. The method includes casting the blade, forming a plurality of spaced-apart notches in the airfoil proximate the tip on...
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7540083 |
Method to modify an airfoil internal cooling circuit
Methods are provided for modifying an airfoil internal cooling circuit that include a flow path configured to direct air through the airfoil in a direction and the airfoil having a leading edge, a...
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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...
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7441331 |
Turbine engine component manufacture methods
A cooled turbine engine component is made by providing first and second pieces respectively having first and second surfaces. At least one circuit is formed in at least one of the first and second...
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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...
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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...
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7371049 |
Manufacturable and inspectable microcircuit cooling for blades
A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a plurality of microcircuits...
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7364405 |
Microcircuit cooling for vanes
A turbine engine component has an airfoil portion with a suction side. The component includes a cooling microcircuit embedded within a wall structure forming the suction side. The cooling...
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7334333 |
Method for making a hollow fan blade with machined internal cavities
Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. The floor and...
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7311497 |
Manufacturable and inspectable microcircuits
A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a first cooling microcircuit...
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7303375 |
Refractory metal core cooling technologies for curved leading edge slots
A turbine engine component has an airfoil portion with a leading edge portion. The leading edge portion includes a plurality of staggered holes for causing fluid to flow over a surface of the...
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7241107 |
Gas turbine airfoil with adjustable cooling air flow passages
An airfoil for a gas turbine engine, the airfoil includes a plurality of cooling air passages to supply cooling air to an external surface of the airfoil, the cooled surface of the airfoil having a...
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7223072 |
Gas turbine engine including airfoils having an improved airfoil film cooling configuration and method therefor
An airfoil for a gas turbine engine blade includes a plurality of film cooling holes extending through its outer surface. The film cooling holes are formed by defining at least a first datum...
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7216485 |
Adjusting airflow in turbine component by depositing overlay metallic coating
A method for adjusting the airflow in a turbine component having a plurality of airflow holes. The method comprises the step of depositing an overlay metallic coating on the surface of the turbine...
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7204019 |
Method for repairing an apertured gas turbine component
A method for repairing defects in a gas turbine component that comprises a substrate and an existing coating on the substrate. The article includes cooling holes having a predetermined air flow...
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7137784 |
Thermally loaded component
A thermally loaded component has at least one cooling passage for the flow of a cooling fluid passing through it. In the region of a bend, at least one diverter device for the integral capturing of...
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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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7093359 |
Composite structure formed by CMC-on-insulation process
A method of manufacturing a composite structure uses a layer of an insulating material (22) as a mold for forming a substrate of a ceramic matrix composite (CMC) material (24). The insulating...
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7066717 |
Ceramic matrix composite airfoil trailing edge arrangement
An airfoil (30) having a continuous layer of ceramic matrix composite (CMC) material (34) extending from a suction side (33) to a pressure side (35) around a trailing edge portion (31). The CMC...
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6933459 |
Methods and apparatus for fabricating a turbine engine blade
A method for fabricating a turbine engine blade. The method includes providing a resistance welding system, and welding a metering plate to the turbine engine blade using the resistance welding...
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6923247 |
Cooled components with conical cooling passages
A thermally highly loaded machine component (10), which is protected from overheating by film cooling, is provided with conical cooling passages (30) of circular cross section. The cooling passages...
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6921014 |
Method for forming a channel on the surface of a metal substrate
A method for forming a channel within a coated, metal-based substrate is described. In one technique, a channel-forming material is first deposited on the substrate, followed by the deposition of a...
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6901661 |
Method for manufacturing a vane to a gas turbine component and a method for manufacturing a gas turbine component
Method for manufacturing a vane (1) to a gas turbine component intended for guiding a gas flow. The vane (1) is produced by casting, and an internal hole (3) for coolant is then cut out of the cast...
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6871398 |
Method of manufacturing an article by diffusion bonding
A method of diffusion bonding three metal work pieces to form a fan blade, where each workpiece has a flat surface and an excess portion larger than a predetermined size needed to produce a...
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6805535 |
Device and method for producing a blade for a turbine and blade produced according to this method
A device and a method are for producing a blade including two outer walls and at least one cavity between the outer walls, for a turbine. An outer mould and several cores are used in forming the...
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6739049 |
Method of manufacturing an article by diffusion bonding and superplastic forming
A method of manufacturing a gas turbine engine fan blade (10) comprises forming three metal workpieces (50,52,54). A metal slab (30) is upset forged at both ends (32,34) to produce a metal block...
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6667076 |
Processes for coating a temperature-stable component with a thermal protection layer
A process and a device for coating a temperature-stable component with a thermal protection layer (15), in which the temperature-stable component has a surface (12) which is to be coated with the...
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6644920 |
Method for providing a curved cooling channel in a gas turbine component as well as coolable blade for a gas turbine component
A method of forming a curved cooling channel into a gas turbine component such as a turbine blade uses an electrode in the form of a helix. The electrode is driven to rotate around the central...
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6634858 |
Gas turbine airfoil
An airfoil includes internal cooling air passages arranged in a serpentine manner with one or more radially outward and radially inward extending passages. The passages are in fluid connection...
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6631561 |
Turbine blade and method for producing a turbine blade
A method is for producing a turbine blade, in particular, a gas turbine blade, comprising a head, a foot, and a blade section, in addition to an internal canalization system, including individual...
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6629817 |
System and method for airfoil film cooling
An airfoil for a gas turbine engine including an inflection that facilitates enhancing film cooling of the airfoil, without adversely affecting aerodynamic efficiency of airfoil is described. The...
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6612811 |
Airfoil for a turbine nozzle of a gas turbine engine and method of making same
An airfoil for a turbine nozzle assembly of a gas turbine engine includes an outer side wall, an inner side wall, a leading edge extending from the outer side wall to the inner side wall, a...
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6573474 |
Process for drilling holes through a thermal barrier coating
A method is provided for drilling a hole through a metallic workpiece having a thermal barrier coating with a ceramic top coat by laser drilling a counterbore to a depth which extends through the...
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6554572 |
Gas turbine engine blade
A turbine blade for a gas turbine engine. An existing blade was found to exhibit bowing, or a concave configuration facing the pressure side, along its trailing edge. The invention reduces bowing...
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