|
Match
|
Document |
Document Title |
|
|
8177482 |
Wind power conversion apparatus driven by fly wheel
A wind power conversion apparatus driven by a fly wheel includes a wind channel, a fly wheel and a rotating shaft. The wind channel is configurated into a long hollow tapered tubular shape with...
|
|
|
8177481 |
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...
|
|
|
8172529 |
Method of operation of a high-efficiency turbine with variable attack angle foils
Operations of a turbine to generate energy from a relatively slow fluid flow, such as wind and water, are described. The turbine has a plurality of foils rotating about a central axis at a...
|
|
|
8162589 |
Moving fluid energy recovery system
A moving fluid energy recovery system for generating electricity through rotational motion produced by positioning the present invention in a fluid flow produced by nature or a moving vehicle. The...
|
|
|
8157501 |
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...
|
|
|
8154145 |
Flow energy installation
A flow energy installation with a roller-like rotor (1) is presented. The roller-like rotor (1) rotates about an axis (A1) and has a plurality of rotor blades (2). One of the rotor blades (2), a...
|
|
|
8128337 |
Omnidirectional vertical-axis wind turbine
A two-stage, omnidirectional vertical axis wind turbine includes a first chamber in which a plurality of angularly spaced horns guide wind from any side of the wind turbine into a chamber to rotate...
|
|
|
8123482 |
Device for maintaining a hydraulic turbomachine
A device for holding a hydraulic turbomachine in position, the turbomachine comprising a drive shaft along which are distributed turbines designed to rotate the drive shaft when they are immersed...
|
|
|
8118537 |
Vertical axis windmill
An upstanding bladed rotor is journalled from support structure and a windshield assembly is also journalled from the support structure for angular displacement about an upstanding axis about the...
|
|
|
8087897 |
Fluid rotor
A rotor having at least two flightings includes a plurality of elongated support ribs rigidly interconnecting at axially spaced intervals, the outer edge of a first flighting with the inner edge of...
|
|
|
8083464 |
Stackable nacelle for wind turbines
A stackable nacelle for a wind turbine includes a first piece having a top wall and integral first side walls extending at a first obtuse angle from each edge of the top wall; and a second piece,...
|
|
|
8038384 |
Omni-directional turbine and method
The invention teaches a turbine capable of receiving wind power and transferring wind power into mechanical energy, and capable of coupling with a generator. The turbine includes a generally flat...
|
|
|
8038383 |
Vertical axis turbine apparatus
Vertical axis turbine apparatus is described in which a rotating blade turbine member mounted on a fixed base includes one to fifty, preferably two or three, upwardly and outwardly inclined spars....
|
|
|
8016544 |
Vertical windmill
The vertical windmill includes a rotatable wind wheel column mounted to a base. The column includes a plurality of hollow wheel hubs stacked vertically atop each other. Each wheel hub includes a...
|
|
|
8011876 |
Wind driven power generator
A wind driven power generator has a rotational shroud assembly for maximizing wind input and a turbine assembly with a shaft that rotates within the shroud assembly. The shaft end extends through...
|
|
|
7976267 |
Helix turbine system and energy production means
A helical turbine with a circular member attached to one end for redirecting axially flowing fluid into perpendicularly flowing fluid. A fluid diverter for redirecting substantially perpendicular...
|
|
|
7938615 |
Enhanced vortex engine
The invention covers improvements to the Atmospheric Vortex Engine. A tornado-like convective vortex is produced by admitting air at the base of a cylindrical wall via tangential entry ducts. The...
|
|
|
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...
|
|
|
7931440 |
Vertical axis wind turbine
A vertical axis wind turbine comprising: a rotatable vertical shaft; a first horizontal shaft attached to the vertical shaft, and extending on either side of the vertical shaft; a first wind...
|
|
|
7905707 |
Pitch actuator for wind turbine generator, and wind turbine generator
Provided are a pitch actuator for a wind turbine generator and a wind turbine generator that can be prevented from losing their reliability. Provided are a cylinder (12) and a rod (13) that rotate...
|
|
|
7896609 |
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...
|
|
|
7883318 |
Self-orienting, linear drive apparatus for harvesting power from the wind
Apparatus for harvesting power from the wind, mounted on a vertical support or pole, has two linear “power harvesting devices” arranged in V-shaped configuration with the apex of the “V” mounted...
|
|
|
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...
|
|
|
7866938 |
Vertical axis windmill with guiding devices
The instant invention deals with the solution to technical flaws of existing vertical axis windmills in which the wind strikes simultaneously on inward and outward facing sides of rotor blades...
|
|
|
7802967 |
Vertical axis self-breaking wind turbine
A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an...
|
|
|
7798766 |
Vertical axis wind sail turbine
A vertical axis omni-wind turbine having a wind sail centrally mounted to a rotor, the wind sail consisting of two vanes one on each side of the rotor in generally planar arrangement. The vanes are...
|
|
|
7780411 |
Device and method for adjusting angle-of-attack of wind blades in lift-type vertical axis wind turbine
A device for adjusting an angle-of-attack (δ) of blades in a lift-type vertical axis turbine comprising a vertical rotating axis, a rotatable cantilever support wing fixed on the vertical rotating ...
|
|
|
7766600 |
Savonius rotor with spillover
A Savonius vertical axis wind turbine rotor has first and second curved vanes having remote substantially vertical edges widely spaced form each other, and proximate substantially vertical edges...
|
|
|
7766601 |
Vertical-axis wind turbine
A vertical-axis wind turbine which has a central rotary tower upon which are fixed substantially vertical blades. The blades are capable of rotating and moving radially relative to the central...
|
|
|
7762777 |
Savonius wind turbine construction
A Savonius vertical axis wind turbine rotor has at least three spokes, at least two vanes, and fasteners. Each spoke includes a hub with central opening and arcuate ribs integral with the hub and...
|
|
|
7758299 |
Wind turbine assembly
A wind turbine for generating electricity is configured as a drum with a housing that has adjustable shutters to control the amount of wind reaching the turbine blades. Alternatively, the turbine...
|
|
|
7753644 |
Vertical multi-phased wind turbine system
A vertical axis multi-phased wind turbine power generating system is disclosed. An adjustable air scoop directs air from a first phase of the prevailing wind into an air turbine for efficient power...
|
|
|
7726934 |
Vertical axis wind turbine
A vertical axis wind turbine having a plurality of blades spaced from a rotatable around a rotor shaft vertical to the ground. The plurality of blades are arranged in a helical pattern about the...
|
|
|
7726933 |
Wind powered turbine engine—horizontal rotor configuration
A wind powered turbine engine comprising an internalized containment and control chamber, intake enhancement, vacuum induction exhaust port and horizontally rotating rotor The turbine functions...
|
|
|
7713020 |
Extracting energy from flowing fluids
A method and apparatus (10) for extracting energy from flowing fluids using a diffuser (11) which has side walls (14) formed from a series of aerofoil section members (15) with gaps (29) provided...
|
|
|
7682127 |
Dynamically self-balanced fluid turbine
A system and method for orienting first and second reaction turbines relative to an axis of rotation responds to a fluid flow having a flow orientation axis. The fluid flow is received in a...
|
|
|
7510366 |
Vertical axis type wind power station
A vertical axis type wind power station and a blade manufacturing process, which can stabilize the turning motions of blades and can raise the power generation efficiency by lightening the blades...
|
|
|
7494315 |
Helical taper induced vortical flow turbine
A turbine generator system, having: a rotatable base; and a plurality of rotor vanes extending from the rotatable base, wherein each of the rotor vanes have helical tapered inner and outer...
|
|
|
7488150 |
Vertical wind turbine system with adjustable inlet air scoop and exit drag curtain
A wind driven vertical axis power generating system is disclosed. An air scoop directs air from the prevailing wind into an air turbine. An exit drag curtain provides for an efficient...
|
|
|
7455503 |
Apparatus for oscillating a vane
An apparatus for oscillating a vane comprising a main lever pivoted at one end about a reference axis, and pivotally coupled at the other end to the vane about a vane axis remote from the reference...
|
|
|
7436083 |
Up-wind type windmill and operating method therefor
A structure of an upwind type wind turbine and the operating method thereof capable of preventing the occurrence of damage of the blades by evading excessive irregular loads from acting on the...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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 25...
|
|
|
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 guide...
|