Matches 1 - 50 out of 276 1 2 3 4 5 6 >


Match Document Document Title
US20130330496 COMPOSITE STRUCTURE WITH LOW DENSITY CORE AND COMPOSITE STITCHING REINFORCEMENT  
A composite structure includes: a core having a pair of opposed exterior surfaces and having a first density; a composite layup surrounding the core, the composite layup comprising a plurality of...
US20130039775 METHOD FOR PRODUCING WIND POWER PLANT ROTOR BLADES AND A WIND POWER PLANT ROTOR BLADE  
The present invention concerns a process for the production of a wind power installation rotor blade. To permit more economical manufacture at high quality the following steps are provided:...
US20100253083 In-pipe hydro-electric power system, turbine and improvement  
A helical turbine configured to rotate transversely within a cylindrical pipe under the power of fluid flowing either direction therethrough is operatively coupled with a rotating machine or...
US20100247321 ANTI-FOULING COATINGS AND ARTICLES COATED THEREWITH  
An article including a metallic substrate is presented. The article further includes a sacrificial layer disposed on a surface of the substrate and an anti-fouling layer disposed on the...
US20120263600 METHOD FOR MANUFACTURING A WORK PIECE BY VACUUM ASSISTED RESIN TRANSFER MOULDING  
A method for manufacturing a work piece by Vacuum Assisted Resin Transfer Moulding is includes the steps of placing fibre rovings in a mould of a closed mould system which comprises a mould...
US20130259696 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...
US20140161622 PROPELLER  
A propeller having a central post to which one or more blades are connected. The blades are disposed and configured to pull air in from the propeller's sides toward the propeller's axis of...
US20120294724 AERODYNAMIC FAIRING FOR A WIND TURBINE AND A METHOD OF CONNECTING ADJACENT PARTS OF SUCH A FAIRING  
A method for connecting adjacent parts (1A, 1B) of a wind turbine fairing. Two parts are abutted together to define an adhesive channel (14) between the two parts and a pair of spacers (12, 13)....
US20100166567 WIND TURBINE AND METHOD OF MANUFACTURE  
A variable voltage and frequency output wind turbine. Variations of the wind turbine include use of a slotless alternator to reduce alternator noise, a high power AC output to facilitate...
US20140154088 METHOD FOR MANUFACTURING A METALLIC COMPONENT BY ADDITIVE LASER MANUFACTURING  
The invention refers to a method for manufacturing a three-dimensional metallic article/component entirely or partly. The method includes a) successively building up said article/component from a...
US20130004309 PROTECTIVE INTERNAL COATINGS FOR POROUS SUBSTRATES  
A material contains open pores in which the channels and pores that are internally coated with at least one layer of phosphorus-containing alumina. Such material is formed by infiltrating a porous...
US20100259046 ACTIVE CONTROL SURFACES FOR WIND TURBINE BLADES  
A wind turbine has a longitudinal airfoil blade that exerts a torque on the generator in response to an impinging air current. A compliant airfoil edge arrangement is disposed along an edge of the...
US20100140950 Decorative wind turbine having flame-like appearance  
A wind turbine has a visual envelope suggestive of a flame. The turbine has a rotor adapted to rotate about an axis of rotation that is perpendicular to a direction of a prevailing wind. The...
US20100062238 Composite Articles Comprising In-Situ-Polymerisable Thermoplastic Material and Processes for their Construction  
A process for the manufacture of a composite article is described wherein the process comprises the steps of (i) providing on a tool (22) a fibrous material (14) having associated therewith in at...
US20140030055 APPARATUS, SYSTEM AND METHOD FOR PUMPING GASEOUS FLUID  
An apparatus, system and method for pumping gaseous fluid are described. The centrifugal pump of the invention homogenizes at least a portion of the gas and liquid contained in produced well fluid...
US20090160193 BENKATINA HYDROELECTRIC TURBINE  
New hydroelectric turbine devices, systems, and methods, based on recirculation of fluid through at least one turbine, offer the potential for less costly and greater energy output in many...
US20110052379 METHOD FOR MONITORING A MIXTURE OF AT LEAST TWO COMPONENTS  
Provided is a method and apparatus for monitoring a mixture of at least two components. Also provided is a rotor blade of a wind power installation, a gondola casing of a wind power installation...
US20130224032 BLADE INSERT FOR A WIND TURBINE ROTOR BLADE AND RELATED METHODS  
A blade insert for coupling a first blade segment to a second blade segment is disclosed. The blade insert may include an aerodynamic body extending between a first end configured to be coupled to...
US20110280732 Diffused Refractory Metal Alloy Coated Products  
A material is diffused into an electrically conductive substrate to enhance and add desirable properties through a metalliding process employing an electrolytic bath within an atmosphere...
US20080317600 Wind turbine rotor blade with vortex generators  
A wind turbine rotor blade with an airfoil having a suction side and a pressure side is provided. The airfoil comprises an inner airfoil portion and an outer airfoil portion, where the inner...
US20070077150 Wind turbine with noise-reducing blade rotor  
Wind turbine with a blade rotor (11) which reduces noise by the inclusion of a set (21) of flexible bristles (23), aligned in at least one row, on the trailing edge (15) of the aerodynamic profile...
US20150147163 FLUID TURBINE SYSTEMS  
Various fluid turbine systems and methods are described. The turbine can be a vertical axis wind turbine configured to generate power from wind energy. The turbine system can have a blade...
US20090097976 ACTIVE DAMPING OF WIND TURBINE BLADES  
A wind turbine blade, includes a sensor, arranged upstream from a trailing edge of the blade for measuring an airflow characteristic near a surface of the blade; and an actuator, arranged...
US20160177915 ROTOR BLADE EXTENSION  
A rotor blade extension for mounting over a tip of a wind turbine rotor blade, including an airfoil extension portion) configured to extend a length of the rotor blade, a leading edge portion...
US20080286112 Magnetic vertical axis wind turbine  
A lift and drag-based vertical axis wind turbine in which the vertical axis and foils mounted thereon are magnetically levitated above the turbine's base, thereby reducing friction within the...
US20150322791 Repair Method for Vortex Generator and a Kit for it  
The invention relates to a method for repairing a vortex generator (6) which projects from an outer skin (4) of a rotor blade, the vortex generator tip (65) of which is broken off and leaves...
US20130037657 VORTEX GENERATORS  
A vortex generator, or an array of vortex generators, for attenuating flow separation during flow of fluid over a surface. Vortex generators include a base with a forward end and a leading edge...
US20090148300 MODULAR WIND TURBINE BLADES WITH RESISTANCE HEATED BONDS  
A blade for a wind turbine includes a first structural component; a second structural component; and at least one conductive bond for joining the first and second structural components.
US20120301309 DISSIMILAR METAL WELDS AND ITS MANUFACTURING METHOD OF LARGE WELDED STRUCTURES SUCH AS THE TURBINE ROTOR  
Dissimilar metal welds including a buttering portion with a small variation in strength distribution in a plate thickness direction are formed by welding two parent materials having at least one...
US20120207608 FINAL-STAGE ROTOR BLADE OF A STEAM TURBINE  
A turbine blade is provided that includes at least certain regions made of fiber reinforced composite material. Also, the turbine blade has at least one anti-erosion component for protecting...
US20110223028 Arrangement and method to retrofit a wind turbine  
A blade of the wind turbine is prepared to be connected with the hub of the wind turbine. An extension unit is designed and prepared to elongate the blade. The extension unit is connected with the...
US20120321462 WIND TURBINE ROTOR BLADE WITH STALL COMPENSATION  
An improved wind turbine blade design is disclosed. The wind turbine blade includes a plurality of pivotable blade segments. Each blade segment has a leading edge segment and a trailing edge...
US20090146433 Method and apparatus for fabricating wind turbine components  
A method of assembling a wind turbine blade includes forming a preform pressure surface member and a preform suction surface member. The method also includes forming at least one of a leading edge...
US20130280081 GAS TURBINE ENGINE AIRFOIL GEOMETRIES AND CORES FOR MANUFACTURING PROCESS  
A core for an airfoil includes a refractory metal structure having a variable thickness. An airfoil includes a body having leading and trailing edges joined by spaced apart pressure and suction...
US20110211965 HOLLOW FAN BLADE  
A blade includes a hollow metal airfoil having an opening to an internal cavity in a first major surface. A metal cover is adhesively bonded to a socket formed around the opening. The cover...
US20090074584 NICKEL-BASED ALLOY FOR TURBINE ROTOR OF STEAM TURBINE AND TURBINE ROTOR OF STEAM TURBINE  
A Nickel-based alloy for a turbine rotor of a steam turbine contains C: 0.01 to 0.15, Cr: 18 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Ta: 0.1 to 0.7 in %...
US20050091848 Turbine blade and a method of manufacturing and repairing a turbine blade  
A turbine blade and a process for manufacture of turbine blades is provided comprising: casting as one piece a blade body and a first portion of an airfoil; forming a tip section having a tip cap...
US20150330223 BLOWER FAN AND AIR CONDITIONER HAVING THE SAME  
A blower fan may include a hub fixed to a rotary shaft, a main rib disposed to surround the hub while being spaced apart from an outer circumference of the hub, a plurality of auxiliary ribs to...
US20110023526 CENTRIFUGAL FAN  
A centrifugal fan 1 includes a plurality of blades 44 having a three-dimensional shape, a main plate 43, an annular side plate 45, and a motor 41 for rotating the blades 44 via the main plate 43....
US20080199319 Water Pump Impeller  
The invention refers to an impeller, consisting of plastic, which Is intended for a coolant pump of an internal combustion engine. The impeller, which has a multipart construction, comprises a...
US20080014091 FREQUENCY TAILORED THICKNESS BLADE FOR A TURBOMACHINE WHEEL  
A method is provided for determining a blade topology that reduces the effects of vibratory stress on a turbomachine blade having a plurality of discrete locations, wherein each discrete location...
US20150110617 TURBINE AIRFOIL INCLUDING TIP FILLET  
A turbine blade can include a root configured to connect to a turbine and supporting an airfoil configured to extend into a flowpath of the turbine. The airfoil can include a tip disposed...
US20120315125 TURBINE BLADES WITH MIXED BLADE LOADING  
An unevenly loaded turbine blade is disclosed including a first region configured for extracting power from a fluid flow and a second region configured for adding power to the fluid flow. The...
US20120027588 ROOT FLAP FOR ROTOR BLADE IN WIND TURBINE  
A rotor blade assembly and a method for reducing the separation region of a rotor blade for a wind turbine are disclosed. The rotor blade assembly includes a rotor blade having exterior surfaces...
US20110103961 METHOD OF PRODUCING AN OXIDE DISPERSION STRENGTHENED NICKEL-BASE SUPERALLOY  
A method of producing an oxide dispersion strengthened nickel-base superalloy, comprising introducing an oxide dispersoid material into a plasma gun of a plasma spray apparatus, where it is...
US20100329876 NICKEL-BASE SUPERALLOYS AND COMPONENTS FORMED THEREOF  
Gamma prime nickel-base superalloy and components formed therefrom. The alloy contains, by weight, 11.3 to 13.3% cobalt, 12.4 to 15.2% chromium, 2.1 to 2.7% aluminum, 3.6 to 5.8% titanium, 3.5 to...
US20090324416 WIND TURBINE BLADES WITH MULTIPLE CURVATURES  
A blade for a wind turbine includes a chord plane having one spanwise portion with a first curvature and another spanwise portion with a second curvature that is different from the first curvature.
US20090204205 Platinum-cobalt-boron blood pump element  
A magnetic impeller for a blood pump such as a magnetically driven, rotary ventricular assist device for pumping blood of a patient, the impeller comprising a magnetic alloy including platinum,...
US20130183185 SCREW ROTOR FOR A SCREW TYPE VACUUM PUMP  
A screw rotor is for a screw type vacuum pump, preferably for a screw type vacuum pump having a pumping capacity less than 50 m3/h. The rotor has a rotor shaft, a rotor core which rests on the...
US20130149163 Method for Reducing Stress on Blade Tips  
A turbine engine component has an airfoil portion with a tip portion and the tip portion has at least one chamfered edge on one side. If desired, the tip portion may have a first chamfered edge on...

Matches 1 - 50 out of 276 1 2 3 4 5 6 >