Matches 1 - 24 out of 24


Match Document Document Title
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...

Matches 1 - 24 out of 24