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US20130069371 |
IMPULSE AIR TURBINE ARRANGEMENT FOR USE WITH A REVERSING BI-DIRECTIONAL AIR FLOW IN A WAVE POWER PLANT
An impulse air turbine arrangement for use with a reversing bi-directional air flow in a wave power plant comprises an axial flow turbine rotor with volutes mounted one each side of the turbine... |
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US20130294885 |
AUGMENTED FLUID TURBINE WITH RETRACTABLE WALL PANELS AND AERODYNAMIC DEFLECTORS
A fluid turbine apparatus for use with a turbine comprising a convergent section, a fluid turbine section adjacent to an outlet of the convergent section, and a divergent section adjacent to the... |
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US20140321974 |
WIND TURBINE SYSTEM
A wind turbine system having a street light having an upright support or post on which is mounted a canopy housing any suitable lighting gear, and a wind turbine mounted above the canopy and... |
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US20120301273 |
ADJUSTABLE EXHAUST APPARATUS FOR A RAM AIR TURBINE GENERATING SYSTEM
An adjustable exhaust apparatus for use with a pod having a pod housing formed with at least one exhaust opening comprises a number of exhaust panels each hinged to the pod housing in position to... |
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US20120139259 |
Power Generation Using Buoyancy-Induced Vortices
Various systems and methods are provided for power generation using buoyancy-induced vortices. In one embodiment, among others, a vortex generation system includes a nucleating obstruction; an... |
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US20090238676 |
Accelerator for use in a wind power electrical generating system
An accelerator for a wind power electrical generating system which mounts at least one wind turbine and which defines an air passageway capturing and delivering wind to the turbine. The... |
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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... |
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US20080317583 |
Offshore Wind Turbine with Device for Ice Prevention
Offshore wind turbine (14) including a tower (1) rising above sea level (12) and one or ore blades (4), which can be put into rotation by wind. The offshore wind turbine includes a pump (6), which... |
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US20080118342 |
OSCILLATION DAMPING OF A WIND TURBINE
The invention relates to a wind turbine and a method for operating the wind turbine planted in the floor of a body of water. The wind turbine includes a support structure and a rotor, which is... |
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US20130251506 |
WIND TURBINE ELECTRICITY GENERATING APPARATUS
A wind turbine electricity generating apparatus includes a wind collecting unit having a funnel-shaped wall and terminating at inlet and internal-port ends to define an air channel for passage of... |
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US20130118176 |
REGENERATIVE OFFSHORE ENERGY PLANT
An offshore energy plant has a wave energy plant configured to convert energy of a circulating orbital flow of wave motion into mechanical energy of a rotor shaft or crankshaft, for example using... |
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US20060233635 |
Stationary co-axial multi-rotor wind turbine supported by continuous central driveshaft
Co-axial, multi-rotor wind turbines, producing more power than a single rotor of the same diameter, are made even more powerful by increasing driveshaft length and supporting the driveshaft from... |
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US20090087301 |
Machine for increased hydro power generation
A multidirectional hydrokinetic power generating turbine has an impeller housing with one or more impellers disposed within the impeller housing, one or more adjustable ducts pivotally connected... |
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US20130320678 |
Extracting Energy from Flowing Fluids
A Barrage apparatus is a method and device for extracting energy from flowing fluids in an open flow by means of a submerged barrage or barrages that obstruct and channel flows at increased... |
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US20080260514 |
Method for Damping Tower Vibrations in a Wind Turbine Installation
A method in connection with a wind turbine installation for damping tower vibrations, in particular a floating wind turbine installation comprising a floating cell, a tower arranged over the... |
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US20080042444 |
Carriage wheel ocean turbine
A turbine wheel on a horizontal axis is constructed on a network of cables radially and circumferentially connected and supported centrifugally by a ring with a friction-reduction method to permit... |
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US20110268568 |
APPARATUS AND METHOD FOR ADJUSTING THE YAW OF A NACELLE OF A WIND ENERGY SYSTEM
The present disclosure relates to a hydraulic pressure system for providing fluid pressure to actuate at least one hydraulic yaw motor for adjusting the yaw of a nacelle of a wind energy system... |
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US20100117369 |
PORTABLE RENEWABLE ENERGY BOX SYSTEM
A small, easily transportable wind turbine system has a square rail base secured to the ground by stakes and by its own weight. Slanted vertical legs connect a smaller square upper support... |
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US20090152870 |
Apparatus for receiving and transferring kinetic energy from a flow and wave
A tandem axial turbine comprises a front, confusor funnel-shaped runner having inner blades and capable of accelerating and directing an oncoming flow toward a co-axial rear runner which rotates... |
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US20090290972 |
FLOW DEFLECTION DEVICES AND METHOD FOR ENERGY CAPTURE MACHINES
The flow of fluid into energy capture machines is crucial for determining the amount of energy extracted, particularly in the field of renewable energy resources. The current invention describes... |
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US20100080683 |
SYSTEMS AND METHODS FOR PROTECTING A WIND TURBINE IN HIGH WIND CONDITIONS
Systems for protecting a wind turbine in high wind conditions are disclosed. A shrouded turbine may have an ejector shroud disposed adjacent and downstream of a turbine shroud. In one version, the... |
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US20110286832 |
Back to back turbine
Since a normal turbine will not rotate in one direction with a bidirectional force, this turbine uses two turbines back to back to rectify this force. When the flow comes in one direction the... |
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US20140255151 |
Fluid Turbine With Slip Ring
Example embodiments are directed to fluid turbines that include a turbine shroud and a rotor assembly disposed within the turbine shroud. The rotor assembly includes a nacelle pivotally engageable... |
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US20100247289 |
SEGMENTED WIND TURBINE
Disclosed are wind turbines comprising a turbine shroud and optionally an ejector shroud. The shrouds are segmented, or in other words have longitudinal spaces between segments. Such wind turbines... |
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US20090285667 |
Fluid movement device with method
A rotatable impeller is a hollow conical/cylindrical stack, with at least one slanted/vertical side portion and at least one level of stack portions. Each impeller comprises at least one shape of... |
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US20130315702 |
BANDED TURBINE
A banded turbine configuration has an integral outer band support structure capable of providing two point simple support for a multiplicity of blades. A large scale vertical array has a set of... |
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US20090134623 |
FLUID ENERGY APPARATUS AND METHOD
A preferred embodiment includes a system for power generation through movement of fluid having a variety of configurations and implementations. One preferred embodiment includes a system for power... |
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US20130272841 |
FLUID TURBINE WITH INTEGRATED PASSIVE YAW
Example embodiments are directed to shrouded fluid turbines that include a turbine shroud and a rotor. The turbine shroud includes a an inlet, an outlet and a plurality of mixer lobes... |
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US20130287543 |
DOWN WIND FLUID TURBINE
A shrouded fluid turbine includes a support structure, a nacelle body rotationally coupled to the support structure and configured to pivot about a pivot axis passing through the support... |
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US20110142594 |
METHODS AND SYSTEMS FOR MONITORING OPERATION OF A WIND TURBINE
A method for monitoring wear of a blade pitch brake within a rotor blade pitch control system of a wind turbine is described. The rotor blade pitch control system includes a blade pitch actuator.... |
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US20100143093 |
ARRANGEMENT TO DETECT A HIGH ROTATIONAL-SPEED OF A BLADE
An arrangement for determining a rotational-speed of a blade rotating around an axis is provided. A transmit-unit is located at the rotating blade, while a receive-unit is located at the rotating... |
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US20100158661 |
REPAIR OF ROTOR BLADE ROOTS
A method for repairing a wind turbine is described. The method may include preparing the surface of the blade, removing a plurality of mounting bolts, and replacing the mounting bolts with rod... |
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US20160281677 |
MULTI-ROTOR WIND TURBINE
Multiple horizontal axis type rotors are coaxially attached along the upper section of an elongate torque transmitting tower/driveshaft. The tower/driveshaft projects upward from a cantilevered... |
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US20160076519 |
WIND ENERGY SYSTEM AND METHOD FOR USING SAME
A wind energy system with a wind turbine having a cowling surrounded by a diffuser, a plurality of inner rotor blades located inside of the cowling that rotate about an inner rotor hub, a... |
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US20150354529 |
Super Turbine for water wind and concentrated solar with accelerated flow
My invention relates to turbines used in linear flowing current such as rivers, canals, any ocean current including tidal flow ebb and flood, wind and concentrated solar. It will Accelerate the... |
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US20150330362 |
METHOD AND DEVICE FOR CONTROLLING FLOATING BODY WIND TURBINE POWER GENERATING APPARATUS, AND FLOATING BODY WIND TURBINE POWER GENERATING APPARATUS
A method of controlling a floating-body wind turbine power generating apparatus including a wind turbine generator disposed on a floating body includes a pitch-angle increasing step of increasing... |
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US20130272847 |
VARIABLE TURBINE/COMPRESSOR GEOMETRY
A variable turbine geometry may have a blade bearing ring and guide blades, each rotatably mounted therein via one of a plurality of respective blade bearing pins. An adjusting ring for adjusting... |