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9039334 Methods and apparatuses for moving objects based on a buoyancy force  
A pipe of an apparatus has a first gas in a first space and a second gas in a second space. The first gas is in the amount to generate a buoyancy force that exceeds at least a gravity force to...
8998588 Segmented fan assembly  
Systems and devices for thermodynamically regulating portions of a dynamoelectric machine are disclosed. In one embodiment, a fan assembly element includes: an axially inner shroud segment...
8950127 Wind energy turbine shell station  
A wind turbine station for generating electricity comprising a multi floor structure having open framing. The open framing comprising at least two spaced-apart, open, vertical frames, the frames...
8939708 Universal spherical turbine with skewed axis of rotation  
A universal spherical reaction turbine for any flowing fluid at any depths or elevation that is capable of unidirectional rotation under reversible flow conditions. The turbine includes a...
8899921 Wind turbine having flow-aligned blades  
A wind turbine blade is configured such that the lift force from the blade airfoil is always normal, or nearly normal, to the shaft torque. This condition maximizes energy conversion. This...
8888438 Moment of inertia system for producing energy through the action of wind  
A system and method of generating energy by transforming energy from a low-density substance, such as airflow or wind, into kinetic energy by directing the flow through a wind guide system towards...
8851828 Wind turbine rotor with venturi tube effect  
The present invention discloses a rotor of wind energy conversion system (WECS) with the Venturi-tube effect. All the blades mounted on the blade-mounting seat envelop together to form a...
8840360 Horizontal wind powered turbine  
A wind powered turbine is comprised of a frame on which is horizontally and rotatably supported a rotor on a rotor shaft. The rotor is formed by three or more radial blade members which are...
8834093 System and method for collecting, augmenting and converting wind power  
A system, apparatus, and method for collecting and concentrating an airstream for converting into mechanical or electrical energy, includes an elongated housing structure, including an airstream...
8777556 California wind engine  
The CWE Concepts are designed to extract the maximum possible wind energy passing through a given square footage area of influencing machine interface at given calculated velocities, to deliver...
8770916 Hydroelectric power generation system  
Provide a hydroelectric power generation system that can increase generation efficiency by keeping the rotational resistance of the runner low, while preventing water contamination at the same...
8740544 Wind turbine assembly with flow regulator  
A wind turbine assembly including an elongate generally cylindrical rotor operable to rotate about an axis, an elongate rotor housing that houses the rotor and which is adapted to be secured to a...
8740543 Offshore wind turbines and deployment methods therefor  
A method of deploying offshore wind turbine assemblies includes mounting a wind turbine assembly horizontally on a vessel and transporting the wind turbine assembly to an offshore site. The wind...
8657581 Thermoplastic rotor blade  
A blade comprises a lightweight core, a composite material disposed on the core, and a skin located on the composite material. The composite material comprises fibers incorporated into a...
8596955 Impulse turbine for use in bi-directional flows  
A bi-directional flow impulse type turbine arrangement (120) for use with a bi-directional reversing flow (F, F1, F2), and in particular for use with an oscillating water column power plant (110)....
8591170 Directed force turbine device  
A directed force turbine device utilizing forces of wind or water current flow featuring a wheel-style rotor assembly having side panels connected via a plurality of curved vanes, the rotor...
8579575 Wind turbine  
A wind turbine has a spindle, a first fan device and a second fan device. The first fan device is rotatably mounted around the spindle and has a first pivot hole and at least two first blades. The...
8517662 Atmospheric energy extraction devices and methods  
An apparatus for producing electricity includes a tower capable of adding moisture at the top of the tower to hot-dry air so as to generate a downdraft of wind within the interior of the tower,...
8485776 Wind energy system  
A wind energy system 10 comprises a wind tunnel module 12 having openings 14a and 14b at opposite ends. The openings have substantially the same cross-sectional area although the cross-sectional...
8476784 Wind turbine generating apparatus  
In a wind turbine generating apparatus, a heat generating device is provided inside the rotor head and has a hermetically-sealed structure from outside. A rotor head cooling air passage is formed...
8430632 System and method for pitching a rotor blade in a wind turbine  
A system and method for pitching a rotor blade in a wind turbine are disclosed. The method includes collecting in an individual pitch controller for the rotor blade a pitch offset angle relative...
8379252 Information processing apparatus, information processing method, and storage medium for storing program  
An information processing apparatus configured to generate a print job to execute bookbinding printing is provided. The information processing apparatus includes an identifying unit configured to...
8358027 Integrally ribbed Rogallo wing array  
There is a Rogallo wing having an aerodynamic sheet having a leading end and a trailing edge. The trailing edge is curved to form a sheet of increasing concavity away from the leading edge. At...
8344538 Wind-powered device for producing electrical energy  
A wind-powered device for producing electrical energy includes an electric generator set (1) which works by converting mechanical energy into the electrical energy, a wind-powered set (3) designed...
8328499 Road with inlayed wind harnessing technology  
A method and apparatus is provided for harnessing the wind energy generated by vehicles passing on a roadway. A roadway is provided with a trench extending from a surface of the roadway. The...
8308438 Wind power generator  
A wind power generator is provided in which a reduction in weight is achieved by reducing the wall thickness of a nacelle, and an increase in the amount of heat input to the interior of the...
8282338 Underwater generator  
An underwater generator for generating electricity including: a casing, a turbine propeller assembly configured within the casing; a platform, where the platform provides a mechanism to hold the...
8277168 Tidal power apparatus  
A tidal power apparatus comprises a moored pontoon (1) having a duct (2) therethrough opening at opposed ends of the pontoon. The duct has a vertical axis rotor (3) therein driving an electrical...
8267665 Laminar flow rotor and related methods and systems  
A rotor blade including a root attachable to a rotor hub. The blade includes a tip and one or more channels aligned within the blade generally between the root and the tip. Each channel has a...
8262337 Utilization of renewable energy sources with a passively savonius rotor (PVSR)  
A Savonius Rotor may use the flow of wind or the flow of water from undersea current or tidal movement. The Savonius Rotor is passively vented and has a base support ring, and a space frame...
8240991 Method and system for operating a wind turbine  
A method, system and computer program product for operating a wind turbine is disclosed. For operating the wind turbine a set of operational data points are sensed via a sensing module. The set of...
8197178 Wind cone windmills and application to energy harvesting factory ships  
Large wind cones are used to collect and discharge wind energy to small low cost wind turbines. Large straight or gradually bending windcones are installed as sails on top of ships, on anchored...
8177479 Mobile energy recovery apparatus and method  
An energy recovery apparatus and method for recovering and harvesting energy from passing air is disclosed. Energy recovery and harvesting from passing air is accomplished by creating a pressure...
8177478 Darrieus water wheel turbine  
A reaction turbine system for the generation of hydroelectricity is disclosed. It consists of a Darrieus type turbine with a horizontal axis of rotation. The blades may be straight or helical, and...
8152441 Submersible waterwheel with hinged rotor blades and spring-loaded water seals  
A reengineered undershot waterwheel adapted to capture unutilized hydrokinetic energy is provided. In an exemplary embodiment, the blades, partitions, and shafts of the waterwheel are composed of...
8133023 Wind turbine with variable area propeller blades  
An apparatus and method for reducing wind turbine damage includes a propeller having a plurality of blades projecting radially from a hub. The blades may be adjustably combined to form variable...
8125096 Hydro turbine generator  
A hydroelectric turbine generator and control system is provided that optimizes the maximum possible power output at all times by strictly monitoring power output from the generator unit and...
8113480 Frame support for wind turbine  
A support for a wind turbine having rear frame extending from a bedplate, where the support includes at least one tension member extending between the rear frame and the bedplate.
8109711 Tethered autonomous air vehicle with wind turbines  
A wind turbine energy conversion device that can take advantage of the higher speed and more persistent winds at higher altitudes is hereinafter disclosed. The wind turbine energy conversion...
8105028 Systems and methods for mitigating the effects of wind turbines on radar  
A control system for mitigating the effects of a wind turbine on a radar system is disclosed. The control system includes a sensor configured to detect an operating condition of the radar system;...
8080891 Hybrid braking system and method  
A wind turbine hybrid braking system is presented. The system includes a generator coupled to a main shaft of the wind turbine for generating and transmitting power. A mechanical brake is coupled...
7997855 Lubrication heating system and wind turbine incorporating same  
A wind turbine is provided having a gearbox containing a lubrication medium, a pump for circulating the lubrication medium, and a gearbox lubrication suction pipe for transporting the lubrication...
7945350 Wind turbine acoustic emission control system and method  
A system and method for controlling noise generated from a wind turbine is disclosed. The method includes selectively adjusting the angle of pitch of the blade in response to an amount of noise...
7931434 Device for producing mechanical energy by means of a divergent, telescopic and auto sustained chimney  
A telescopic chimney and methods are disclosed for generation of mechanical energy using air routed through a turbine. Truncated cones stored nested together telescope to interlock when extended...
7928594 Apparatus for receiving and transferring kinetic energy from a flow and wave  
A tandem axial turbine that comprises a front confusor, a funnel-shaped runner having inner blades and capable of accelerating and directing an oncoming flow toward a co-axial rear runner which...
7918650 System for pressurizing fluid  
A system for providing low cost fluid pressurization without consumption of limited natural resources, pollution, or greenhouse gas emission, and is independent of wind conditions. Additionally,...
7918646 High efficiency turbine with variable attack angle foils  
A high-efficiency turbine generates energy from a fluid flow, such as wind or water currents. The turbine has a central axis with a plurality of foils rotatable about the central axis in a general...
7880322 Fluid turbine devices and methods related to fluid turbine devices  
Fluid turbine devices and methods related to fluid turbine devices are disclosed herein. One example method includes deflecting a first portion of a fluid flow from a return path of at least a...
7771158 Power towers/innovative method of power extraction using static airfoils  
An airfoil shaped tower the size of a skyscraper for the production of electrical power using turbines. The turbines are located at the base of the tower and are fed by ambient air. Power to turn...
7759815 Wind motor with a holding device for a rotor shaft  
Wind motor with a drive, the input of which is coupled with a rotor shaft, which has a separate mount, characterized in that a holding device is provided between the mount and the drive, which in...
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