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US20150152848 Omnidirectional Hybrid Turbine Generator  
An Omnidirectional Hybrid Turbine Generator is provided. The system includes three main components: An omnidirectional turbine blade assembly that can be powered by air currents, air turbulence,...
US20110109088 Windsock horizontal axes turbine  
The windsock horizontal axes windmill is much like a conventional horizontal axes windmill with two unique differences. The propeller is replaced with a cone shaped turbine that runs slower with...
US20090180878 GENERATION OF POWER  
According to one aspect of the present invention, there is provided a turbine including—a plurality of adjacent rotors, —each rotor including a pair of opposed balanced arms, each arm extending on...
US20140341736 SAIL WIND TURBINE  
A sail wind turbine system includes a vertical main shaft with a vertical axis of rotation with parallel horizontal yardarms, cross-connected and corner braced, to the vertical main shaft. A sail...
US20110018280 Orbital Track Wind Turbine  
An orbital track wind turbine for generation of electrical energy from wind power is provided. The wind turbine includes a plurality of spaced vertical supports to which at least two parallel...
US20080226451 Wedge shaped wind boosters  
A plurality of wedge shaped wind boosters on the interior of the curved panel wind sails of a vertical axis windmill, located on a vertical steel tower producing power produced by the electric...
US20060013689 Construction apparatus and method for a wind power installation  
Wind power installation technology has seen dramatic developments in the last 20 years. In the meantime there are installations of the order of magnitude of up to 5 MW and future development leads...
US20080145224 Vertical axis wind turbine system  
The present invention is a vertical wind turbine having a turbine with a plurality of blades or wind vanes. The blades are constructed and attached to the shaft of the turbine so as to allow them...
US20070110579 Vertical axis wind turbine energy converter (VAWTEC)  
This vertical axis wind turbine energy converter (VAWTEC) is made up of a number of rotary arms, which arms radiate from a central rotating column, and each radial arm holding two vertically...
US20050141994 Multi-directional wind power generator  
The present invention relates to a wind power generator, and more particularly, to a multi-directional wind power generator capable of maximizing use efficiency of wind as well as enabling...
US20090285685 Migler's vertical axis wind turbine with energy storage and retrieval means, and with yoke means, and with a rear sail projection arm, and with separated sail restraints, and with a motorized gust and high wind-speed protection system  
This disclosure presents a means to store and retrieve energy that has been produced by Migler's vertical axis wind turbine, by pulling down a float in water and holding it, thereby storing energy...
US20050069415 Wind turbine diffuser  
The invention concerns a diffuser for a whine turbine, in particular a large-dimension wind turbine mounted on a mast (2) and comprising a wind-driven propeller (3) equipped with blades (4) as...
US20140322014 VERTICAL AXIS WIND TURBINE  
This Vertical Axis Wind Turbine is designed differently to currently viewed Wind Turbines. It comprises of multiple pairs of boom projections spirally twinned around a Turbine Column, essentially...
US20080019832 TURBINE/ROTORCRAFT/OAR BLADE  
The present invention generally relates to the field of blades that may be rotating, with a design producing maximum drag when encountering air/water flow in one direction, and either minimum...
US20060171811 Efficient windmill  
The present invention is directed to a horizontal windmill system. The system has a windfoil system that rotates 360 degrees about a conventional vertical energy shaft to obtain a greater...
US20070269311 Wind turbine and support structure and method of controlling the rotational speed of such wind turbine  
A wind turbine system and a method for controlling a rotational speed of a rotor of such wind turbine system are provided. The system included a wind turbine having a rotor having airfoils having...
US20080008588 Systems for distributed energy resources  
A new design of vertical axis wind turbine is disclosed based on a dome structure using dome struts as blades that work in concert to produce rotational motion. The stability and low cost of the...
US20100090474 MODULAR, COLLAPSIBLE-SAIL WINDMILL TOWER SYSTEM  
The present invention provides a modular apparatus for power generation composed of a main shaft, tubular shaft, a ratchet and one or more sails. The modular apparatus comprises a tubular shaft,...
US20080069696 Tension Windmill  
A windmill design in which all rigid blades are replaced by sail-type Blades that are only supported by tension. Each Blade is connected to a central Hub and outer Rim by means of two Spokes, and...
US20060275122 Aerovortex mill 2  
The invention relates to the use of Wind Turbines for power generation. It seeks to provide those areas with low winds, a pioneering way to harness efficiently the energy of the wind. In order to...
US20060233645 Wind energy installation comprising conductor rails  
The invention concerns a wind-power system for generating alternating current with a tower built from several tower segments, with a generator arranged in the region of the tower head, with a...
US20080019833 Cylindrical wind turbine  
This invention is a cylindrical turbine incorporating rotating vanes, unlike the fixed vanes utilized in conventional turbines. The rotational position of each vane is continually adjusted, as the...
US20100295316 VERTICAL AXIS WIND TURBINE AND GENERATOR THEREFORE  
A vertical wind turbine is provided that includes a support base defined about an axis, a bearing assembly, a drive shaft having a proximal end and an opposing distal end, and a multistage axial...
US20060099077 Wind energy conversion apparatus  
A wind energy conversion apparatus comprising a supporting structure is presented. The apparatus further comprises shaft having a first and a second end, which is rotatably journalled in said...
US20070201981 Flow-Controlled Wind Rotor  
Disclosed in a wind rotor (1) comprising one or more blades (3) rotating around a vertical, central axis (4) within a main bearing (5), said blades being parallel to said vertical axis (4), said...
US20090074577 VERTICAL AXIS SAIL-TYPE WINDMILL POWER TRANSFER DEVICE  
This invention relates to a vertical axis sail-type windmill power transfer device for efficiently harvesting wind power by increasing the effective surface of interaction with the wind where the...
US20080152495 Vertical Axis Turbine Apparatus  
Vertical axis turbine apparatus is described in which a rotating blade turbine member mounted on a fixed base consists of one to fifty, preferably two or three, upwardly and outwardly inclined...
US20060275121 Wind turbine with friction drive power take off on outer rim  
A wind turbine has multiple blades (10) that are mounted on a shaft (19) with a ring around a circumference of the blades. There are tires (18) that are arranged to be in contact or out of contact...
US20070110578 WIND ENERGY INSTALLATION  
The invention relates to a wind energy installation (10) having a rotor (18) which can be driven by wind and has at least one rotor blade (22), having a generator for conversion of the mechanical...
US20070189900 Mechanical emergency brake for wind turbines and method for operating same  
A mechanical emergency brake for a wind turbine is provided, said mechanical emergency brake comprising a spiral spring with a loop at its outer end, a cassette for accommodating said spring and a...
US20120269629 VERTICAL AXIS WIND TURBINE  
A vertical axis wind turbine having a plurality of upright airfoils pivotally engaged. A continuous adjustment of the angle of attack of the airfoils to oncoming wind is provided by rotation of a...
US20050008488 Sky turbine that may be mounted on top of a city  
A sky turbine, having impeller blades with a plurality of panels that can telescope inward and outward. The pitch of the panels can be adjusted, and the pitch of each panel on a blade, passing...
US20120189449 Alternative sail restraints for Migler's vertical axis wind turbine  
This disclosure presents several alternative setting and automatic resetting sail restraints for Migler's vertical axis wind turbine. They are designed to reduce the damaging impact of sail frames...
US20090097960 Vertical axis windmill assembly  
A windmill assembly includes (a) a support frame; (b) a rotor rotatably mounted to the support frame for rotation around a vertical axis in response to the movement of wind passing the wind...
US20100092290 Vertical axis variable geometry wind energy collection system  
A device to convert the kinetic energy of wind into kinetic energy in the form of a rotating mass (FIG. 9) and to then selectively harvest and convert the kinetic energy of the rotating mass into...
US20150118051 WIND SAIL RECEPTOR  
An improved wind sail receptor for turning in a wind flow to turn an axle that operates a generator to produce an electrical power output for performing work. With the improved wind sail receptor...
US20070098555 WIND TURBINE COMPRISING ELASTICALLY FLEXIBLE ROTOR BLADES  
The invention relates to a wind turbine having a tower, a nacelle that is mounted on the tower and can be rotated about the axis of the tower, and a rotor which is carried by the nacelle on the...
US20070243066 VERTICAL AXIS WIND TURBINE  
A vertical axis sail-type wind turbine includes an array of sail-like structures that are mounted on rotating main masts. The sail-like structures can be oriented to interact with the wind. For...
US20090066088 Vertical axis wind turbine  
One aspect of the present invention relates to a vertical axis wind turbine. In one embodiment, the vertical axis wind turbine comprises a rotor comprising a vertical oriented shaft, and a...
US20060159550 Horizontal axis wind turbine  
A horizontal axis wind turbine is disclosed. When a wind direction changes to blow against a rotor from a rear side, a pitch angle of a rotor blade of the rotor are controlled to reverse a...
US20070147998 Wind turbine  
A wind turbine for producing electricity using wind. In a power generating section, a driving shaft, columns, and a guide shaft are installed between a base frame fastened to a support plate and a...
US20080267777 Modified Darrieus Vertical Axis Turbine  
A lift-type turbine comprising at least three blades at circumferentially spaced positions is supported for rotation about a vertical axis. Each blade has an airfoil shape to generate a torque...
US20100244456 Constant Direction Four Quadrant Lift Type Vertical Shaft Wind Power Generator  
A constant direction four quadrant lift type vertical shaft wind power generator is provided, which includes a truss-type wind wheel formed by an upper wind disc (5), a lower wind disc (3), and...
US20080112807 METHODS AND APPARATUS FOR OPERATING A WIND TURBINE  
A method for operating a wind turbine having at least one blade includes determining an ambient air operating envelope and controlling a power output of the wind turbine at least partially based...
US20080101932 Wind driven power generator  
The present invention is a wind driven power generator that has a rotational shroud assembly that has a base portion that is attached to a plurality of rotational base guides. A structure base has...
US20060251516 Wind turbine  
A wind turbine including an open hub, foldable blades attached to the rim of the hub, and a mechanism for tilting the turbine is disclosed.
US20090169379 METHODS AND APPARATUS FOR ADVANCED WIND ENERGY CAPTURE SYSTEM  
Methods and apparatus of improved wind energy capture system design and operation are discussed. Improved wind energy capture system blade/sail implementations are described. Retractable sails are...
US20120014795 SPINNING HORIZONTAL AXIS WIND TURBINE  
A spinning horizontal axis wind turbine is disclosed. The blades of the wind turbine are configured to allow the blades to simultaneously rotate in a vertical axis and a horizontal axis when acted...
US20060210400 Wind powered electric vehicle/conversion  
There is presently no electric vehicle operating in the United States which does not require a power source outside the vehicle to charge the batteries. All previous electric vehicles require some...
US20050036888 Windmill structure for use in wind power apparatus  
In order to provide a windmill structure capable of preventing a blade from damage based on a strong wind, the windmill structure is for use in a wind power apparatus in which a dynamo-electric...

Matches 1 - 50 out of 66 1 2 >