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| Number | Title | Issue Date |
| 8137065 | Aerogenerator having means for maintaining vane unit horizontal Disclosed herein is an aerogenerator having a horizontal maintaining means. The aerogenerator of the present invention includes a support pillar which is placed upright on the ground and has a hollow space therein. The aerogenerator further includes a rotational sup... | 03/20/2012 |
| 7665966 | Flow-controlled wind rotor A flow-controlled wind motor rotor has one or more blades which are parallel to a central vertical axis. The blades are orientable to the direction of the wind. The rotor is equipped with a wind vane for detecting of a wind direction and also with a primary control ... | 02/23/2010 |
| 7413404 | Sail wing type windmill A sail wing type windmill includes an output shaft erected vertically, a foundation with a bearing disposed in the center hole provided therein for supporting the output shaft; an axle body with a roller bearing on the top end, while the bottom end thereof being con... | 08/19/2008 |
| 7362352 | Image capturing apparatus with variable communication forms In an image capturing apparatus which can be remotely operated from an operation terminal, to carry out image transmission control in accordance a communication form between the image capturing apparatus and the operation terminal. An image capturing apparatus 2 | 04/22/2008 |
| 7288850 | System and apparatus for emergency backup power generation An emergency backup power generation system includes a housing comprising a main body portion, a top cap, and a bottom cap. Inner and outer surfaces and the main body portion, the top cap, and the bottom cap define a generally hollow interior volume within the inner... | 10/30/2007 |
| 7284949 | Vertical axis wind or water turbine A mechanical device consisting of two horizontal shafts (4 & 5) in cruciform each rotating axially within two sets of bearings (6), each set positioned near either end and interfaced upon a rotor base (10) which itself is fixed to a verti... | 10/23/2007 |
| 7276810 | Wind power plant based on the windmill principle with an additional vane bearing at the vane end The present invention concerns a wind power plant with a central rotor unit (1); a ring carrier element (2), which surrounds the central rotor unit (1) in a concentric configuration; and with several rotor vanes (3) which are fixed with a... | 10/02/2007 |
| 7258527 | Vertical axis wind engine The present invention is to provide a vertical axis wind engine comprising at least one arm each having its center rotatably coupled to a vertical axis mounted on a base on the ground, each pair of the upper and lower arms adapted to define an airfoil receiving spac... | 08/21/2007 |
| 7245039 | Apparatus and method for generating hydrogen gas through the use of wind power This invention teaches an apparatus, method, means, and computer readable media to address the problem of the inconsistent, unreliable nature of wind, and in particular low-wind speeds, through utilizing a blower and/or startup assist to aid in turning an electricit... | 07/17/2007 |
| 7235893 | Reduced friction wind turbine apparatus and method The present invention is a wind power apparatus for driving an electric generator. The wind power apparatus comprises a frame, a vertical axle mounted on the frame and a buoyant hull. The buoyant hull is rotational disposed on the axle. The buoyant hull has a curvil... | 06/26/2007 |
| 7182573 | Wind turbine A wind turbine, with: a rotatable frame; a plurality of airfoils mounted to the rotatable frame, wherein the airfoils extend parallel to an axis of rotation of the rotatable frame; a wind block positioned to restrict airflow over at least a portion of the rotatable ... | 02/27/2007 |
| 7157805 | Wind powered pendulating land sail electricity generation system An electricity generation system having the ability to generate clean electrical power by mechanically capturing the power of the wind. The system utilizes one or more modular wind collecting sail assemblies that are mounted on an upright oriented pole assembly. The... | 01/02/2007 |
| 7126235 | Wind power electric device and method A wind-power unit has a wind turbine has an electric generator connected to the wind turbine. The stator of the generator has a winding formed of a high-voltage cable having a core of conducting material, a first layer of semiconducting material surrounding the core... | 10/24/2006 |
| 7118341 | Self adjusting sail vertical shaft windmill A vertical shaft is provided and supported whereupon are mounted sails that can so self adjust as to interact with the wind in such a way as to power a windmill as well as relieve themselves from winds that are too severe while maintaining continuous operation. ... | 10/10/2006 |
| 7075191 | Wind and water power generation device using a rail system A power generation assembly for use in generating electrical power from air or water currents includes a rail system forming a loop, a vane assembly having a frame and at least one vane, and a car assembly slidably mounted to the rail, including a linkage portion co... | 07/11/2006 |
| 6992402 | Wind-driven power station The wind-driven power station comprises a closed-loop rail track consisting of sections of gradual ascent and descent. The descent section directed upwind is positioned in an artificial tunnel. Basic elongated sections of the rail track are situated across the predo... | 01/31/2006 |
| 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 automatically feathered, and the sails moving away from the direction of the w... | 08/09/2005 |
| 6913435 | Integrated vane for use in wind or water and process for producing same In an integrated vane 1 for use in wind or water, main blades 3 arranged around an axial shaft 2 of the vane and support blades 4 for joining the main blades to the axial shaft are integrally formed with light and high strength fiber mate... | 07/05/2005 |
| 6840738 | Feathering turbine apparatus A feathering fluid-driven turbine comprises impellers, arranged around the turbine axis and affixed to axles disposed parallel to the axis of rotation of the turbine, and further comprises a vane, such as a wind vane, which points in the current direction of fluid f... | 01/11/2005 |
| 6672522 | Wind power generating system Disclosed is a wind power generating system. The system comprises moving bodies connected one with another by connectors and repeatedly circulated on a rail of an endless track; sail devices rotatably mounted to the moving bodies and exposed to wind, each... | 01/06/2004 |
| 6543999 | Windmill A windmill is provided wherein the windmill comprises a central rotating shaft with an upper and a lower end opposite thereto. A blade arm is provided with an inward and an outward end opposite thereto, wherein the inward end of the blade arm is connected... | 04/08/2003 |
| 6379115 | Windmill and windmill control method A windmill includes a freely rotatable revolution shaft, a plurality of pairs of pivotal support rods provided at the revolution shaft, and wind receiving blades respectively and rotatably set between the pivotal support rods with wind receiving blade sha... | 04/30/2002 |
| 6179563 | Wind-powered drive shaft A wind-powered drive shaft, the rotary force of which can be used for a variety of purposes, such as to drive a hydraulic pump, the crankshaft for a water pump, or an electrical generator. To a central shaft are attached two or more sets of arms extending... | 01/30/2001 |
| 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 that delivers one portion of the inlet airflow to a primar... | 12/12/2000 |
| 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 longitudinal axis and is substantially symmetrical on oppo... | 12/14/1999 |
| 5864183 | Method and apparatus for optimizing performance of a pump-turbine A technique is disclosed for optimizing performance of a pump-turbine unit while operating normally in the pumping mode by identifying gate positions resulting in optimization of certain parameters of interest. Influences of gate positions on the optimize... | 01/26/1999 |
| 5855470 | Wind wheel with rotationally faced plates This invention accomplishes these and other objectives with a wind wheel (1) having at least one planetary gear wheel (10) affixed rigidly to a wind-wheel axle (2) from which gear trains for each of a plurality of wind-wheel plates (9) are rotated to maxi... | 01/05/1999 |
| 5844323 | Rotatable wheel for developing fluid kinetic energy by accepting action forces from multiple directions In the rotatable wheel having several radiate skeletons, some auxiliary axles are mounted on each radiate skeleton and provided at the lateral of a limb of the radiate skeleton to the direction opposite to that of external forces; a movable blade or a for... | 12/01/1998 |
| 5676524 | Vertical-axis wind turbine A turbine has an upright shaft defining and rotatable about a vertical main axis, a support plate fixed to the shaft, a plurality of upright vanes pivotal on the support plate about respective vane axes offset from and generally parallel to the main axis,... | 10/14/1997 |
| 5324169 | Oscillating, lateral thrust power generator An apparatus for power production from low velocity fluid flow includes a lateral support arm assembly extending from a vertical drive shaft. A power blade is pivotally secured to the distal end of the support arm, and constrained to pivot within a define... | 06/28/1994 |
| 5302084 | Windmill with annular flywheel An improved windmill has an approximately vertical center support post. The windmill also has a plurality of wheels, each rotatably mounted on a separate horizontal axis, each axis being radially disposed about the center support post. The windmill also h... | 04/12/1994 |
| 5195871 | Self-restored windmill A windmill includes a plurality of fan blade units pivotally mounted in a central vertical transmission shaft each unit having a right-leaf vertical fan blade and a left-leaf horizontal fan blade in which the vertical fan blade as rotated to the leeward c... | 03/23/1993 |
| 5193978 | Articulated blade with automatic pitch and camber control An articulated blade whose forward vane section is directly pitched by relative fluid flow upon it, and whose rear deflector section deflects the flow upon it. A control arm, through parallelogram linkage, maintains the deflector in parallel orientation w... | 03/16/1993 |
| 4979871 | Wind turbine An improved vertical axis wind turbine is disclosed. The wind turbine in accordance with one embodiment, does not include a support tower but instead includes a bearing support for mounting a torque tube rotatably connected to blades, the bearing support ... | 12/25/1990 |
| 4832569 | Governed vane wind turbine Wind energy converting machine comprising a solid rotating ring carrying airfoils which are governed to have an optimal angle of attack to the wind approaching each of them when the wind velocity is below a chosen limit. In stronger wind the angles of att... | 05/23/1989 |
| 4776762 | Windmill A power conversion turbine for actuation by fluid in motion such as, for example the wind, with a body supported to rotate about a central axis and carrying a plurality of vanes spaced from said axis and being movable about respective vane axes parallel t... | 10/11/1988 |
| 4764090 | Vertical wind turbine A cross wind axis type wind turbine includes four wind driven airfoil blades pivotally connected between upper and lower sets of support spokes supported on a rotating vertical column so that the blades are upwardly inclined towards the column axis to pro... | 08/16/1988 |
| 4707617 | Windmill apparatus A windmill apparatus includes: a frame body structure adapted to be positioned on a flat top of a construction; a main shaft vertically installed in the middle of the frame body structure; a first main-shaft sleeve rotatably coupled with a lower part of t... | 11/17/1987 |
| 4618312 | Wind operated apparatus A frame supported for rotation about a central vertical axis has an enclosing cylindrical side wall with a plurality of openings formed therethrough at spaced apart angular position around the central axis. A plurality of vanes are located near the side w... | 10/21/1986 |
| 4609827 | Synchro-vane vertical axis wind powered generator A vertical axis wind powered generator apparatus has airfoil shaped vanes, a positive and synchronous vane orientation system which is controlled by a mechanism located exterior to its rotor, two innovations for improving its aerodynamic efficiency and fo... | 09/02/1986 |
