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7364399 |
Wind power plant of cyclone type and method of obtaining energy from such
A wind power plant having a tower open at the top and provided with a side inlet for the wind for generating a cyclone in the tower and a substantially horizontal turbine that has inlets through...
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7331752 |
Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy
A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the...
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7329099 |
Wind turbine and energy distribution system
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...
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7287954 |
Omni directional baffled wind energy power converter apparatus and method
A wind turbine apparatus, comprising an upright shaft defining an upright axis, at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven...
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7242108 |
Wind-actuated electric power alternator
A wind-actuated electric power alternator is disclosed. The wind-actuated electric power alternator includes an impeller enclosure having a generally triangular cross-sectional configuration. An...
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7241105 |
Watercraft with vertically collapsible vertical axis wind turbine and propeller flexible drive shaft
A vertically collapsible vertical axis wind turbine may be used on land, or on a watercraft (e.g. a multihull such as a catamaran). The turbine may include a substantially vertical shaft; at least...
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7153090 |
System and method for passive load attenuation in a wind turbine
In accordance with certain embodiments, a wind turbine blade includes an outer skin and an internal support structure. The skin has a closed airfoil shape and includes an outer surface, an inner...
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7144214 |
Rotor supporting structure of windmill for power generation
A windmill 10 includes a frame 11 and a rotor 12 provided rotatively around the vertical shaft center. The rotor includes bosses 23, 24 located above and below, plural transversal blades ...
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7118344 |
Wind power plant for generating energy
A wind power system ( 1 ) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft ( 2 ) and is provided with blades ( 3 ), as well as a...
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7094017 |
Vertical shaft driving device for vertical wind mills or the like and electric power generator using the same
A vertical shaft driving device wherein a plurality of rotary blades ( 8 a , 8 b , 8 c and 8 d ) each including a blade ( 10 ) supported on a planetary shaft are equally arranged...
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7086823 |
Atmospheric vortex engine
The invention describes an Atmospheric Vortex Engine in which a tornado-like convective vortex ( 37 ) is produced by admitting air tangentially in the base of a cylindrical wall ( 1 ). The vortex...
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7040859 |
Wind turbine
A wind turbine operable as either a vertical axis wind turbine or a horizontal axis wind turbine is disclosed.
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7008171 |
Modified Savonius rotor
A novel modification of a Savonius rotor used as a wind turbine provides an exhaust channel in each vane. The vane of the modified Savonius rotor is formed into an “S” shape. The air that...
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6957946 |
Kaleidoscopic wind machine
A kaleidoscopic wind machine for visual entertainment and other uses. The framework of the wind machine includes a vertical mast and a horizontal axle that can swivel about the mast. One or more...
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6955521 |
Flow-forced generator with turbo-charging deflection hood
A flow-forced generator adapted with a turbo-charging deflection hood having at the peripheral of the vortex ring in the generator provided with an automated directional turbo-charging deflection...
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6948905 |
Horizontal wind generator
A horizontal wind generator comprises a horizontal windmill drivingly coupled to an electrical generator. The windmill includes a vertical drive shaft mounted for rotation in a base, with a...
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6926491 |
Vertical axis wind turbine with controlled gybing
A device for generating electricity in which wind blowing from any direction causes the rotation of sails around a vertical tower. As the sails rotate the sails moving toward the wind are...
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6884020 |
Turbine driven with a fluid medium
A turbine for production of electric energy in flowing water, comprising a number of shaped foils ( 5 ), each foil ( 5 ) being attached with a shaft ( 6 ) to a supporting structure ( 3 ) which is...
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6877948 |
Wind turbine generator
A wind turbine generator is disclosed which includes a hub, a plurality of wind driven blades arranged around the hub, a drive belt or drive chain or other mechanical drive driven by the plurality...
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6872045 |
Apparatus and method for fluid drive conversion
A fluid drive conversion system having a plurality of flat foils rotatably connected to a vertical shaft such that the foils are generally vertical in position, pivot about a vertical axis, are a...
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6824348 |
Wind rotor operable in slow wind speeds
A wind rotor comprises a base, a rotor frame rotationally supported on the base for movement about a substantially vertical axis in one of a clockwise or counter clockwise direction, and a...
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6790007 |
Wind turbine structure
A vertical axis wind turbine including a wind turbine which depends on a vortex down wind of the turbine enhancing the air flow past the vertical turbine. The vertical axis wind turbine structure...
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6779966 |
Horizontal windmill
The invention is a system, device and method that captures wind energy and converts it into mechanical or electrical energy. In a system embodiment, the system transfers wind power to rotational...
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6749393 |
Wind power plant
A wind power plant for producing electrical energy on a large scale, comprising a base, a housing, rotatable on said base around vertical axis. A wind tail, attached to the housing, rotate the...
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6740989 |
Vertical axis wind turbine
A vertical axis wind turbine with a turbine rotor with rotor blades disposed for rotation about a substantially vertical axis. The turbine includes multiple vertically extending stator vanes...
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6688842 |
Vertical axis wind engine
A vertical axis wind engine, also referred to as a vertical axis wind turbine (VAWT) includes a support structure, a rotor mounted rotatably on the support structure for rotation about a vertical...
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6682296 |
Turbine for flowing fluids
Turbine for flowing fluid, especially a turbine having a vertical power output shaft and formed with several wings projecting radially out from the power output shaft, which wings are rotatable...
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6626636 |
Column airflow power apparatus
A column airflow power apparatus for creating mechanical power is provided. The column airflow power apparatus comprises a column structure having an open first end and an open second end with...
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6309172 |
Wind turbine with low vertical axis
A wind module includes a base plate, a turbine rotatably mounted on the base plate, a plurality of directional fins carried by the base plate peripherally adjacent said turbine, and a cover plate...
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6158953 |
Wind turbine with variable position blades
A wind turbine has an internal rotor carrying a plurality of turbine vanes in a circular path between an inlet opening and an exhaust opening. The inlet opening includes a stationary dividing vane...
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6113350 |
Vertical-axle power machine
A vertical-axle wind power machine comprises a vertical axle, a plurality of jointed radial arms, a plurality of counterbalanced oblique blades at the support points thereof, a friction-rewarding...
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6109863 |
Submersible appartus for generating electricity and associated method
A fully submersible apparatus for generating electricity from liquid flow as in an ocean or river current. A buoyant structure is fully submersible and has at least one pair of counter-rotating...
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6015258 |
Wind turbine
Wind turbine apparatus is described for converting wind energy into electrical energy. The apparatus includes a rotatable central shaft, a plurality of rotor blades attached to the central shaft,...
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6000907 |
Fluid-activatable vane for a fluid turbine
A fluid-activatable vane is defined by a thin vane body having opposed narrow leading and trailing side edges and opposed substantially smooth large top and bottom surfaces. The body has a central...
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5895201 |
Apparatus for wind power
An aeroturbine is provided including a body, guide walls formed in the body for guiding the air, a rotor chamber mounted above the body, the rotor chamber housing a rotor therein, and control and...
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5852331 |
Wind turbine booster
A booster (34) for a wind turbine (12) of the type containing an impeller (14) having a plurality of radial curved vanes (16) mounted on a shaft (18) connected to an electric generator (20). The...
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5503525 |
Pitch-regulated vertical access wind turbine
A cross flow wind turbine comprising a rotor mounted for rotation about a vertical axis and a plurality of blade assemblies mounted on the rotor. Each blade assembly comprises a blade of aerofoil...
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5454694 |
Vertical axis wind mill with retractable sails
A vertical axis wind mill with retractable sails comprising a central core which has vertical side walls in a generally cylindrical configuration. The core has an upper end and a lower end and a...
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5380149 |
Wind turbine cross wind machine
A wind turbine cross wind machine is disclosed, which comprises a circumferential arrangement of guide vanes (1) around a centrally located rotor (2) including a central aperture (3) in the middle...
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5336933 |
Fluid-augmented free-vortex power generating apparatus
A fluid-augmented free-vortex power generating apparatus (10) that is driven by either prevailing winds or water and which has a turbine (24) that includes a number of axially extending cup like...
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5333996 |
Dual fluid rotor apparatus
A fluid rotor is disclosed for turning electrical generators or other mechanical equipment. The fluid rotor contains multiple curved blades which are in a single plane of rotation, and which are...
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5313103 |
Auger shaped fluid medium engaging member
An auger shaped, fluid medium engaging member is disclosed which includes a helically or auger shaped outer region disposed about a longitudinal axis which passes through a central region of the...
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5269647 |
Wind-powered rotor
The present invention relates to a rotor driven by wind power with a vertical rotating axis and radial arms distributed at uniform angular intervals over its periphery which bear bodies with an...
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5246342 |
Wind rotor apparatus
A wind rotor is disclosed for turning electrical generators or other mechanical equipment. The wind rotor contains multiple curved blades which are in a single plane of rotation, and which are...
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5203672 |
Wind turbine with stationary vertical support tower and airflow-directing shell
A wind turbine with a stationary tower and a set of turbine blades rotatably attached to the top and bottom of the tower. A set of upper and lower braces connects the turbine blades to prevent any...
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5163813 |
Wind-driven energy conversion device
A power-producing windmill is disclosed. A paddle assembly having a central axis is supported for rotation on a frame. Two spaced-apart lateral sides supports the central axis and forms a channel...
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5133637 |
Vertical axis wind turbine generator
A vertical axis wind turbine provides a rotor assembly which rotates on bearing assemblies affixed to a rotor shaft supported by a base, the rotor assembly having inclined vanes mounted between top...
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5126584 |
Windmill
A windmill having a stator and a rotor. The rotor has the shape of a long convex blade having sharp edges and being symmetrical with respect to its longitudinal axis. The stator which surrounds and...
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5038049 |
Vertical axis wind powered generator
An apparatus for generating electric power from wind includes a base, a pair of upstanding, generally parallel, spaced apart walls rotatably mounted on the base and defining an inlet end and an...
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5037268 |
Dual axis wind turbine
The invention relates to our energy conversion system for converting the kinetic energy possessed by the wind into mechanical energy. The objective is to produce a controlled, tornado like,...
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