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8647068 Blade tip for a rotor blade of a wind turbine and a method of inserting the blade tip into a rotor blade  
A blade tip for a rotor blade of a wind turbine, and a method of inserting the blade tip into a rotor blade are provided. The blade tip for the rotor blade of a wind turbine simplifies the...
8632313 Turbine rotor blade  
A turbine rotor blade which is enhanced in erosion resistance and reduced in stress corrosion cracking sensitivity is provided. When a blade tip end of the turbine rotor blade is hardened by heat...
8616851 Multi-alloy article, and method of manufacturing thereof  
An article includes a first section extending from an outer periphery to a predetermined surface located inward from the outer periphery. The first section comprises a nanostructured ferritic...
8613138 Repair of integrally bladed rotors  
A method is provided for repairing a damaged rotor blade on an integrally bladed rotor by removing a damaged portion of a damaged blade leaving a blade stub extending outwardly from the disk and...
8607455 Method for the production of coated turbine moving blades and moving-blade ring for a rotor of an axial-throughflow turbine  
A method for producing a coated turbine blade, with which the frequency property thereof can be particularly easily adjusted to the required boundary conditions is provided. Recesses are...
8602739 Wind turbine rotor blade and pitch regulated wind turbine  
A wind turbine rotor blade with an airfoil profile having an upwind side, a downwind side is provided. A stall inducing device is located at the upwind side of the airfoil profile.
8596958 Cross-flow fan and air conditioner equipped with same  
A crossflow fan includes an impeller formed by plate-like blades 42. Each blade 42 is inclined such that the outer edge 42a is located on the leading side of the inner edge 42d with respect to the...
8591194 Steam turbine rotor blade assembly  
The present invention is a steam turbine rotor blade assembly including: an airfoil; a shroud provided at a tip of the airfoil; a blade root (dovetail) projecting toward a radially internal...
8573936 Blade for turbomachine receiving part, comprising an airfoil part including a mechanical fuse  
A blade for an aircraft turbomachine receiving part including a root, and an airfoil part prolonging this root. The airfoil part includes a mechanical fuse located at a distance from the bottom of...
8568103 Wind turbine rotor blade  
A wind turbine rotor blade with a suction side and a pressure side is provided. The blade includes a cylindrical root portion, an airfoil portion defining the suction side and the pressure side,...
8529211 Wind turbine rotor blade and airfoil section  
The present invention includes a set of airfoils, U rails and V rails taken together to describe a blade for use with a horizontal axis wind turbine. The blade's design includes a maximum...
8512002 Method of manufacturing an aerofoil  
A method of manufacturing an aerofoil structure capable of being diffusion bonded and superplastically formed to create a substantially hollow cavity within the aerofoil structure, the method...
8510947 Turbine blade fabrication  
A method includes joining an integral bulkhead and a blade shell to form a blade and separating the blade into two blade segments at a location including the integral bulkhead such that each blade...
8510926 Method for repairing a gas turbine engine component  
A method of repairing a stator assembly of a gas turbine engine includes removing a worn surface of the stator assembly to provide a revealed area, and securing additional material to the stator...
8506255 Rotor blade for a wind turbine  
A rotor blade of a wind power installation in which the rotor blade, in particular in the central region of the rotor, the so-called main board, has a lift-drag ratio which in the region of about...
8468826 Axial turbine wheel  
A turbocharger including a turbine wheel having a hub-to-tip ratio of no more than 60% and blades with a high turning angle, a turbine housing forming an inwardly spiraling primary-scroll...
8470425 Composite cores and panels  
The plurality of pieces of low density cellular material, such as foam plastics, form a core panel having opposite side surfaces and with adjacent pieces having opposing edge surfaces extending...
8464426 Gas turbine engine airfoil  
A method of designing an airfoil for a gas turbine engine according to one embodiment of this disclosure can include localizing a sweep angle at a leading edge of a tip region of the airfoil, and...
8459956 Curved platform turbine blade  
A turbine blade includes an airfoil and integral platform at the root thereof. The platform is contoured in elevation from a ridge to a trough, and is curved axially to complement the next...
8453445 Axial turbine with parallel flow compressor  
A turbocharger including a turbine wheel having a hub-to-tip ratio of no more than 60% and blades with a high turning angle, a turbine housing forming an inwardly spiraling primary-scroll...
8453448 Axial turbine  
A turbocharger including a turbine wheel having a hub-to-tip ratio of no more than 60% and blades with a high turning angle, a turbine housing forming an inwardly spiraling primary-scroll...
8449261 Blade for an axial compressor and manufacturing method thereof  
The disclosure provides blades, and the modification thereof, for stages 18-22 of an axial compressor wherein the blades have reduced susceptibility to tip cracking. The blades and blades...
8446033 Savonius rotor wind power generator system and method  
A Savonius rotor wind power generator system and method utilizes a large diameter rotor increased in sized to produce a proportional decrease of the rotation rate while the peripheral speed...
8439645 High pressure turbine blade airfoil profile  
A two-stage high pressure turbine includes a second stage blade having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate...
8439646 Engine blade with excessive leading edge loading  
A free end of a blade of a fluid flow machine has a skeleton line camber distribution having an excessive value to a relative skeleton line camber of at least α*=0.35 for a related running length...
8430637 Semi-rigid wind blade  
An airfoil 11 for attachment to a hub 13 of a windmill 15 or other turbomachine, the airfoil 11 comprises a leading rod 17 and a trailing rod 27, the leading rod 17 and trailing rod 27 preferably...
8426765 Method and apparatus for welding workpieces of high-temperature superalloys  
A welding apparatus for welding workpieces of high-temperature superalloys is provided. The welding apparatus includes a heat source for producing a heat input zone on the workpiece surface, a...
8419373 Wind turbine blade, wind turbine generator equipped with wind turbine blade and method of designing wind turbine blade  
It is intended to provide a wind turbine blade with superior aerodynamic characteristics and rigidity, a wind turbine generator equipped with the wind turbine blade, and a method of designing the...
8419372 Airfoil having reduced wake  
An airfoil of varying span-wise thickness comprising a suction side and a pressure side coupled together at a leading edge and a trailing edge, with the trailing edge comprising a plurality of...
8419371 Wind turbine blades with twisted and tapered tips  
A blade for a wind turbine includes a total backward twist of between approximately 6 degrees and approximately 15 degrees between an outer approximately 1 percent to approximately 10 percent of a...
8408877 Wind turbine blades with twisted tips  
A blade for a wind turbine includes a total backward twist of between approximately 6 degrees and approximately 15 degrees between an outer approximately 1 percent to approximately 10 percent of a...
8393870 Turbine blade airfoil  
An airfoil comprises an external surface formed in substantial conformance with a plurality of cross sections. Each of the cross sections has an axial chord and an offset at a corresponding...
8387245 Components with re-entrant shaped cooling channels and methods of manufacture  
A method of fabricating a component is provided. The method includes forming one or more grooves in a surface of a substrate, where the substrate has at least one hollow interior space. Each of...
8389104 Composite cores and panels  
A composite core panel has opposite side surfaces for receiving skins to form a composite sandwich panel. The core panel includes a plurality of spaced blocks of low density cellular material such...
8382438 Blade of a turbomachine with enlarged peripheral profile depth  
A blade for an axial-flow turbomachine with a gap-side blade area I which transits into a free blade end and with a hub-side or casing-side blade area II, respectively. Blade 3 forms a flow line...
8360729 Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade  
Plural saddle shape patches are formed on a blank material for forming a blade using a manufacturing apparatus provided with a punch support having punches each with a holder attached to be...
8360730 Turbine wheel with backswept inducer  
An exemplary blade (220) for a turbine wheel includes an exducer portion with a trailing edge and an inducer portion with a leading edge wherein the inducer portion has a positive local blade...
8360719 Fan  
A fan includes an impeller comprising a hub and a plurality of blades, and a housing receiving the impeller and comprising a first frame having a side wall and an inlet, and a second frame having...
8356982 Reversible system for dividing aerogenerator blades into several parts  
An aerogenerator blade assembly has a blade with a first side and a second side an insert member positioned therein and therebetween. The insert member has a first surface in toothed engagement...
8353161 High diffusion turbine wheel with hub bulb  
A turbocharger including a turbine wheel having a hub-to-tip ratio of no more than 60% and blades with a high turning angle, a turbine housing forming an inwardly spiraling primary-scroll...
8348622 Wind turbine blades made of two separate sections, and method of assembly  
The invention relates to a wind turbine blade comprising at least two wind turbine blade sections that include one or more strengthening structures, the ends of the strengthening structures being...
8348593 Serial axial fan  
A serial axial fan includes first and second axial fans. The first axial fan preferably includes a first motor portion, a first impeller, and a first housing. The second axial fan preferably...
8337154 High efficiency cooling fan  
A cooling fan includes an impeller which comprises a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the...
8333564 Vertical axis wind turbine airfoil  
A vertical axis wind turbine airfoil is described. The wind turbine airfoil can include a leading edge, a trailing edge, an upper curved surface, a lower curved surface, and a centerline running...
8328522 Axial flow fan  
A fan or rotor design where the surface profile may be configured to desired dimensions particular to a given operating environment is disclosed.
8313300 Rotor for centrifugal compressor  
The present disclosure provides an improved rotor of a centrifugal compressor. The rotor includes a blade arrangement and geometry that increase the overall efficiency of the rotor. In particular,...
8303259 Axial flow fan  
Disclosed is an axial flow fan capable of preventing cracks from generating at parts where stress is concentrated, by improving the structure. For this, the axial flow fan includes a hub, a...
8297935 Turbine blades and methods of forming modified turbine blades and turbine rotors  
Turbine blades and methods of forming modified turbine blades and turbine rotors for use in an engine are provided. In an embodiment, by way of example only, a turbine blade includes a platform...
8292589 Casting aluminum alloy, cast compressor impeller comprising the alloy, and process for producing the same  
A casting aluminum alloy which contains, in terms of mass %, 3.2-5.0% Cu, 0.8-3.0% Ni, 1.0-3.0% Mg, 0.05-0.20% Ti, and up to 1.0% Si, the remainder being aluminum and incidental impurities. This...
8282357 Turbine blade  
A blade arrangement (22) comprises an aerofoil (26) and a mounting support (28) to mount the blade arrangement to a disc. The aerofoil (26) is supported on the mounting support (28). The aerofoil...