Matches 1 - 37 out of 37


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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 37 out of 37