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US20090196763 |
Vertical axis wind turbines with blades for redirecting airflow
Vertical axis wind turbines and Savonius blades incorporating an internal conduit for diverting a portion of an airflow incident on the blades are disclosed. |
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US20110103950 |
SYSTEM AND METHOD FOR PROVIDING A CONTROLLED FLOW OF FLUID TO OR FROM A WIND TURBINE BLADE SURFACE
A wind turbine blade system having a blade rotatably attached to a rotor of a wind turbine. The system further includes a controller and one or more openings disposed along at least one surface of... |
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US20100316502 |
METHOD OF MANUFACTURING IMPELLER OF CENTRIFUGAL ROTARY MACHINE AND IMPELLER OF CENTRIFUGAL ROTARY MACHINE
A method of manufacturing an impeller of a centrifugal rotary machine, the impeller being formed in a substantially disk shape and including a passageway curved to follow the axial direction in an... |
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US20100209258 |
BLADE FOR A ROTOR OF A WIND TURBINE PROVIDED WITH BARRIER GENERATING MEANS
A blade for a rotor of a wind turbine has a substantially horizontal rotor shaft, the rotor including a hub, from which the blade extends substantially in a radial direction when mounted to the... |
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US20110142595 |
WIND TURBINE BLADES WITH CONTROLLED ACTIVE FLOW AND VORTEX ELEMENTS
A wind turbine blade includes a suction side surface and a pressure side surface. A plurality of vortex elements are formed on at least one of the suction side or pressure side surfaces. An active... |
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US20100219296 |
REDUCED DRAG SYSTEM FOR WINDMILLS, FANS, PROPELLERS, AIRFOILS, AND HYDROFOILS
Airfoil and hydrofoils systems with structures having a surface texture defined by fractal geometries are described. Raised portions or fractal bumps can be included on the surfaces, forming a... |
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US20130202451 |
SAFETY PROPELLER
A propeller (10,110) has a hub (20,120) with blades (40,140). A safety member (50,150) is provided along at least a portion of the leading edge (43,143) of each blade (40,140); and the blades... |
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US20100150731 |
FAN BLADES
A blade for an axial fan, including at least a front edge portion, a back edge portion, and multiple pressure balance holes. The front edge portion operates to blow air from the outside of the... |
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US20080267783 |
METHODS AND SYSTEMS TO FACILITATE OPERATING WITHIN FLAME-HOLDING MARGIN
A method to facilitate controlling flame-holding margins in a turbine engine is provided. The method includes coupling at least one turbine nozzle segment within the turbine engine, wherein the at... |
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US20120230822 |
CEILING FAN APPARATUS AND METHOD OF OPERATION THEREFOR
The invention comprises a ceiling fan method and apparatus configured to aid in distribution of air within a space. Optional ceiling fan elements include one or more of: coupling the ceiling fan... |
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US20150308449 |
GAS TURBINE ENGINE COMPONENT WITH BRAZED COVER
A component according to an exemplary aspect of the present disclosure includes, among other things, a body comprised of a first material, a cover attached to the body and comprised of a second... |
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US20160177922 |
TRAILING EDGE JETS ON WIND TURBINE BLADE FOR NOISE REDUCTION
One or more air nozzles (31) create respective air jets (34) angled radially from a blunt trailing edge (22) of a wind turbine blade (20A-G). The jets create and maintain a radially flowing... |
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US20140301864 |
WIND TURBINE BLADE
A wind turbine blade is described having noise reduction features. The blade has a plurality of projecting elements provided at the blade trailing edge to reduce the scattering noise produced... |
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US20150064018 |
TURBINE BLADE AND ASSOCIATED METHOD FOR PRODUCING A TURBINE BLADE
A turbine blade is provided, having a fastening section, a platform, and a blade, which follow one another along a longitudinal axis of the turbine blade, wherein the platform, in radial relation... |
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US20130034451 |
GAS TURBINE ENGINE
A gas turbine engine comprises a hollow rotor including a plurality of rotor segments stacked and coupled together in a direction of its center axis and forming at least one of a compressor and a... |
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US20100196150 |
BOUNDARY LAYER WIND TURBINE WITH TANGENTIAL ROTOR BLADES
A wind turbine having rotor assembly with a plurality of stacked disks (1) for rotation about an axis. At least one set of the stacked disks has disks being closely spaced from each other for... |
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US20130071254 |
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... |
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US20140140858 |
COMPRESSOR BLADE WITH NOZZLE
A compressor blade having at least one nozzle for ejecting fluid, in particular for ejecting water, is provided. The at least one nozzle is produced as a laminar structure in which, in particular,... |
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US20150330234 |
Expandable Boundary Layer Turbine
A boundary layer turbine that uses flat disks that can be precision cut at low cost is more cost-effective to construct and maintain than conventional turbines. Bolt-on hub design significantly... |
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US20120237358 |
TURBINE BLADE TIP
A tip rail configured to reduce stress when formed from a single crystal alloy is disclosed. The tip rail may be formed from at least one single crystal alloy oriented in a low modulus direction... |
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US20110211950 |
Method of dynamic energy-saving superconductive propeller interaction with a fluid medium
In a propeller system a process of dynamic energy-saving superconductive propeller interaction with a fluid medium comprises providing a perforation on the working blade surfaces having the... |
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US20130121842 |
PROPELLER / TURBINE BLADE POWER CHANNEL
The disclosed propeller/turbine blade enhancement will be used in the moving fluid kinetic energy conversion field. This power channel blade enhancement will increase the kinetic energy conversion... |
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US20130236329 |
ROTOR BLADE WITH ONE OR MORE SIDE WALL COOLING CIRCUITS
A rotor blade for a gas turbine engine includes an airfoil and a cooling microcircuit. The airfoil includes a first side wall, a second side wall and a tip endwall, where the first side wall and... |
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US20110150665 |
FAN ASSEMBLY
A fan assembly is mainly provided with a center hub and a plurality of fan blades. The center hub has a center rotational axis. The fan blades extend from the center hub. Each of the fan blades... |