Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7393177 | Vertical axis wind turbine with optimized blade profile A high efficiency vertical axis wind turbine includes an optimized blade shape for increased torque output. The shape of the optimized profile includes a camber portion at a leading edge region of the blade with a maximum height to chord ratio (Y/C) at when the non-... | 07/01/2008 |
| 7347660 | Cross-flow wind turbine Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its surface and creates a low pressure area on the leading face of the ro... | 03/25/2008 |
| 7314346 | Three bladed Savonius rotor A Savonius three bladed vertical axis wind turbine rotor has operational characteristics superior to those of conventional three bladed rotors. The blades have high curvature and a high skew factor, for example a curvature of greater than 7:1 (e.g. 2:1-5:1), and a s... | 01/01/2008 |
| 7275912 | Management system for the operation of a wind turbine The invention relates to a management system for the operation of a wind turbine, which regulates the power output of the turbine. The wind turbine includes a rotor with at least one rotor blade that is positioned at an adjustable angle to the rotor. The management ... | 10/02/2007 |
| 7189050 | Cross-flow wind turbine Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its surface and creates a low pressure area on the leading face of the ro... | 03/13/2007 |
| 7189051 | Wind power plant A wind power plant includes four main elements: a foundation (29), at least one supporting structure (21), a carrying construction (23) having a vertical axis (25) and being rotatable around the vertical axis, and at least one rotor (4... | 03/13/2007 |
| 7156609 | Method of making complex twisted blades with hollow airfoil cross section and the turbines based on such A reactive turbine, each blade of which approximates a helical shape that is constructed with readily available conventional manufacturing techniques. The blades are constructed in discrete straight sections that, when joined, approximate a helix or any other effici... | 01/02/2007 |
| 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 extending radially from the bosses, longi... | 12/05/2006 |
| 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 |
| 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 (8a, 8b, 8c and 8d) each including a blade (10) supported on a planetary shaft are equally arranged circumferentially of a central sha... | 08/22/2006 |
| 7086824 | Guided fluid driven turbine A guided fluid driven turbine to upgrade the efficiency in converting fluid kinetics into rotation kinetics by having a specific directional guide unit adapted to a fluid driven turbine for the fluid to be guided the open-end, specific directional guide unit extendi... | 08/08/2006 |
| 7077628 | Wind machine with independent fabric A wind machine comprises a plurality of fabrics that are removeably installed on a rotatable carrier. The carrier axis of rotation may be either horizontal or vertical. The carrier has pairs of first and second arms that support opposite ends of a fabric net. Side s... | 07/18/2006 |
| 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 |
| 7056082 | Four cycle wind implosion engine A wind energy machine has four rotor chambers formed by perpendicular walls. Each rotor chamber has an intake portion, a reversal portion, a parallel portion, and an exhaust portion. Air flow is reversed in each chamber for every 90 degrees of rotation, such that th... | 06/06/2006 |
| 7040858 | Wind power generator, windmill, and spindle and blade of the windmill A wind power generator has a windmill for rotating the generator. The windmill includes a main vertical shaft, a rotor, and a wind-receiving blade. The rotor, fixed horizontally at the upper end of the main vertical shaft, comprises a flywheel, and a plurality of wi... | 05/09/2006 |
| 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 enters a given end of the vane exits that end through the new exhaust chan... | 03/07/2006 |
| 6979170 | Vertical axis windmill and self-erecting structure therefor The present invention provides a structure comprising a blade attachment, a blade structure, an integrated driving shaft/generator for a wind system such as a vertical axis windmill, and a self erecting structure for such a wind system, together with an erecting met... | 12/27/2005 |
| 6962478 | Vertical axis windmill A vertical axis windmill has an immovable, hollow circumferential frame having a plurality of peripheral openings, and rotatable turbine arranged inside the frame and connectable to a generator of electric energy, the turbine having a plurality of vanes each having ... | 11/08/2005 |
| 6960062 | Frost-resistant windmill for use in urban environment A frost-resistant windmill is disclosed to provide supplemental power supply for use preferably in large cities. The frame of the windmill carrying a plurality of blades is made hollow defining a serpentine internal air pathway adapted for introduction of warm air f... | 11/01/2005 |
| 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 hood for the air or fluid to produce turbo-charging results due to the... | 10/18/2005 |
| 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 plurality of wind drive units being mounted in wind catching positions at sp... | 09/27/2005 |
| 6939101 | Windmill A windmill. A wind intake section has wind guide plates, a wind inlet defined between two adjoining wind guide plates, and a wind inlet opening and closing device placed at the wind inlet. The wind inlet opening and closing device is opened by the wind flowing throu... | 09/06/2005 |
| 6940185 | Advanced aerodynamic control system for a high output wind turbine An advanced aerodynamic control system for a wind turbine including a drive shaft and blade. The control system includes an air control system coupled to a duct that extends from a first end toward a second end of the blade. A slot extends along a portion of a surfa... | 09/06/2005 |
| 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 |
| 6923615 | Wind driven power generator A wind driven power generator is designed for mobile applications and locates the generator in a power housing at the base of the unit on an adjustable mounting arrangement. A lightweight high strength hollow column is supported in the power housing and supports a w... | 08/02/2005 |
| 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 connected to the main shaft (2) of the turb... | 04/26/2005 |
| 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 plurality of wind receiving vanes pivotally disposed on the rotor frame for m... | 11/30/2004 |
| 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 energy. The system includes a wind capture means that uses wind to gene... | 08/24/2004 |
| 6749394 | Rotating display apparatus A rotating display apparatus includes a support structure, a rotor mounted rotatably on the support structure for rotation about a vertically disposed rotational axis, and at least two (preferably more) wind-reactive elements on the rotor on which a user may display... | 06/15/2004 |
| 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 axis, and at least one airfoil for causing the rotor to rot... | 02/10/2004 |
| 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 over an angle of about 90° about horizontal shafts extending... | 01/27/2004 |
| 6638005 | Coaxial wind turbine apparatus having a closeable air inlet opening A coaxial wind turbine apparatus which includes a pair of rearward-mounted, spring-loaded fins to orient the air inlet opening to face the direction of the oncoming wind and close a damper panel or shutter array at the air inlet opening during very high w... | 10/28/2003 |
| 6629815 | Peripheral turbine support system A turbine apparatus for providing support peripherally for a turbine rotor having either a vertical or horizontal axis of rotation. The present invention includes a plurality of blades distributed about the rotor, the blades across their width being shape... | 10/07/2003 |
| 6537018 | Rotational power transfer device A rotational power transfer device includes a rotatable shaft, a plurality of arm structures attached to the shaft and extending radially outward from the shaft, a plurality of pin structures attached to and extending radially outward from the shaft such ... | 03/25/2003 |
| 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 over the turbine and plurality of directional fins. The cov... | 10/30/2001 |
| 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 |
| 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 rotary speed multiplying transmission, and an automatic rot... | 09/05/2000 |
| 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 side-by-side motors with a plurality of angularly spaced radi... | 08/29/2000 |
| 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, and a plurality of convex airfoils spaced around the periph... | 01/18/2000 |
| 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 |
