Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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 |
| 7874788 | Flow enhancement for underwater turbine A flow enhancement improvement for an underwater turbine generator (10) is disclosed wherein a longitudinal hole (240) is disposed in the central area (26), typically a hub (20) of the generator (10), and a second, augmentor duct (... | 01/25/2011 |
| 7600964 | Wind power plant and arrangement of bearings therefor A wind power plant is provided having a rotor which is rotatably supported with respect to a rotor axis by a bearing arrangement. A rotor blade is fixed to a rotor hub and extends therefrom radially outwardly, with respect to the rotor axis. The bearing arrangement ... | 10/13/2009 |
| 7368828 | Wind energy system A wind energy system comprising a queue of turbines housed in a horizontal air conduit. The inlet end of the conduit opens into a wind collector assembly, which preferably comprises in part downwardly extending earthen slope, such as a hillside or embankment. The wi... | 05/06/2008 |
| 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 the base and an outlet to the center of the cyclone in the tower and th... | 04/29/2008 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 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 radially converging trajectories and concentration of the flow energ... | 02/19/2008 |
| 7299627 | Assembly of energy flow collectors, such as windpark, and method of operation Method and assembly for extracting energy from a flowing fluid. It is proposed to regard all devices of the assembly together as one flow body. In particular those devices on the upstream side of the assembly are set such that they exert lateral (horizontal and/or v... | 11/27/2007 |
| 7293960 | Power generation assemblies, and apparatus for use therewith A floating power generation assembly comprises at least three floating units (900) floating on a body of water, and at least three anchors (916) secured to a solid surface beneath the body of water, each of the floating units (900) being provide... | 11/13/2007 |
| 7291936 | Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine... | 11/06/2007 |
| 7256512 | Variable aperture velocity augmented ducted fan wind turbine A wind powered variable area exit aperture electric generating system having configurable, adjustable duct side walls by which means the ratio between the intake cross-sectional aperture area and the exhaust cross-sectional aperture area may be varied for maximum ai... | 08/14/2007 |
| 7220096 | Habitat friendly, multiple impellor, wind energy extraction A habitat friendly, wind energy system is disclosed for safely extracting usable energy from wind. Included are one or more concentrator wings that convert the dynamic pressure of wind into relatively lower static pressure and thereby induces a vacuum that draws win... | 05/22/2007 |
| 7218011 | Diffuser-augmented wind turbine A diffuser-augmented wind-turbine assembly in which the diffuser has a cylindrical central section rotatably supporting a rotor drum which in turn supports turbine blades without requiring a central support shaft. Wind energy drives the turbine blades and rotor drum... | 05/15/2007 |
| 7214029 | Laminar air turbine The windmill assembly is a low drag, streamlined body of revolution that captures the kinetic energy content of the accelerated laminar air surrounding the body. The assembly includes a power-generating, wind-driven turbine that is compact, lightweight and capable o... | 05/08/2007 |
| 7215037 | Protective wind energy conversion chamber A protective wind energy conversion chamber provides a protected multiple turbine mechanism axially aligned to convert kinetic energy of a moving fluid (e.g., wind) into rotational mechanical power by the reaction of the moving fluid with the turbine. The conversion... | 05/08/2007 |
| 7210896 | Electrical power generation assembly An electrical power generation assembly comprising a main body having a low density to provide lift and wind driven means on its surface to generate electrical power. The main body has a part-circular, or a part-elliptical, cross section frontal region. The main bod... | 05/01/2007 |
| 7186083 | Wind energy conversion device A wind energy conversion device includes a propeller in which each of the propeller blades includes a proximal (radially inward) non-airfoil mounting section, a medial section and a distal tip section mounted to pivot relative to the medial section about a pitch axi... | 03/06/2007 |
| 7168251 | Wind energy turbine A wind energy turbine includes a tower, a nacelle rotatably supported by the tower, a rotor rotatably supported by the nacelle, and at least one unit to be cooled and arranged in the tower and/or the nacelle. The unit is adapted to be cooled by a cooling medium flow... | 01/30/2007 |
| 7147428 | Hydro turbine A water driven turbine has a divergent cone coupled to the exit end of the housing in which diameter of the cone increases with increasing distance from the exit end of the housing. A diverter formed of rigid material surrounds the free end of the cone and defines a... | 12/12/2006 |
| 7131812 | Sky turbine that is mounted on a city A sky turbine, having impeller blades with a plurality of panels that can telescope inward and outward. The pitch of the panels can be adjusted, and the pitch of each panel on a blade, passing from the innermost panel to the outermost panel, differs from the pitch o... | 11/07/2006 |
| 7094018 | Wind power generator A wind power generator has an arcuate converging-diverging flow passage and a support body that is prolate in shape and is located in the flow passage. The support body is rotatably supported and a plurality of rotor blades are mounted on the support body. The suppo... | 08/22/2006 |
| 7074011 | Wind power installation with two rotors in tandem A wind power installation comprising at least two rotors which are arranged one behind the other and of which the first rotor which is arranged in front of the second rotor is of a smaller diameter than the second rotor. ... | 07/11/2006 |
| 7066709 | Wind driven power generating system The present invention discloses a wind driven power generator. The wind driven power generating system comprises: a) an aerodynamic unit rotatably mounted at the top of a tower having a certain height; b) a plurality of rudders for aligning the aerodynamic unit with... | 06/27/2006 |
| 7044713 | Wind power generator with multiple rotary wings A wind power generating apparatus having a plurality of rotary wings can reduce the load and resistance on the rotary wings due to wind to obtain a highly effective rotation power as well as to flexibly absorb the impact applied to the rotary wings due to varying wi... | 05/16/2006 |
| 7042109 | Wind turbine A wind turbine for generating electrical power from wind energy includes a turbine rotor mounted for rotation in wind, and having multiple blades for converting energy in the wind into rotational energy. A generator is coupled with said turbine rotor such that said ... | 05/09/2006 |
| 7018166 | Ducted wind turbine The performance of a turbine in a duct having a convergent and a divergent surface is enhanced by controlling the fluid flow pattern along the inner duct surface. For this purpose a free rotor redistributes part of the inner fluid stream through a ring into the oute... | 03/28/2006 |
| 7018167 | Fluid machinery An object is to improve the durability of wings and suppress vibration of the wings and generation of noise. A fluid machine includes a rotatably supported wing support, and a plurality of wings (21) formed on the wing support at a plurality of circumferentia... | 03/28/2006 |
| 7008172 | Side-furling co-axial multi-rotor wind turbine A multiplicity of horizontal axis rotors are coaxially attached, at spaced intervals, to an elongate driveshaft. This driveshaft with attached rotors is aimed, not directly into the wind, but at a slightly offset angle, allowing each rotor to encounter a wind stream... | 03/07/2006 |
| 6979179 | Wind turbine rotor blade with combined lighting receptor and drain passage and lighting receptor with drain passage The invention relates to a wind turbine rotor blade which in its tip (1) is provided with a lightning receptor (2) and a drain passage (6; 16; 26; 36; 46; 56) connecting the blade interior (11, 12) with the blade exterior, the drain passa... | 12/27/2005 |
| 6972498 | Variable diameter wind turbine rotor blades A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extensions nested within or containing the base blade. The blades can ... | 12/06/2005 |
| 6957946 | Kaleidoscopic wind machine A kaleidoscopic wind machine for visual entertainment and other uses. The framework of the wind machine includes a vertical mast and a horizontal axle that can swivel about the mast. One or more wheel structures are rotatably attached to the horizontal axle. Each wh... | 10/25/2005 |
| 6951443 | Wind turbine ring/shroud drive system A wind turbine capable of driving multiple electric generators having a ring or shroud structure for reducing blade root bending moments, hub loads, blade fastener loads and pitch bearing loads. The shroud may further incorporate a ring gear for driving an electric ... | 10/04/2005 |
| 6945747 | Dual rotor wind turbine A dual rotor wind turbine according to the present invention includes a rotatable drive shaft, a first rotor assembly connected to the drive shaft, a second independently-rotating rotor assembly coupled to the drive shaft rearward of the first rotor assembly, a firs... | 09/20/2005 |
| 6935841 | Fan assembly A fan assembly includes a vertical axis wind turbine (VAWT) which is coupled to an air extraction or air supply fan. The VAWT is located above and is coupled coaxially to the fan. The fan assembly also includes an auxiliary turbine to provide start-up torque to init... | 08/30/2005 |
| 6932561 | Power generation system A wind power system is provided including at least one generator fan having a front face and a rear face. The system also includes a first wind capturing device positioned proximate to the front face. The wind capturing device can be configured to capture wind to cr... | 08/23/2005 |
| 6887031 | Habitat friendly, pressure conversion, wind energy extraction A habitat friendly, pressure conversion, wind energy extraction system is disclosed for safely extracting usable energy from wind. The system includes one or more shrouds or concentrator wings that convert the dynamic pressure of wind into relatively lower static pr... | 05/03/2005 |
| 6755608 | Wind turbine enhancement apparatus, method and system A wind power generation apparatus of the present invention includes a wind turbine having a rotor diameter and a hub height. An artificial mound adjacent to the wind turbine has a length, a width and a height. The artificial mound is positioned to enhance the perfor... | 06/29/2004 |
| 6717285 | Multiple collector wind driven power generating device A wind powered generating device comprises a tube cluster, a collector assembly, and a turbine assembly. The collector assemblies utilize sails that can be rotated to direct wind down through an inlet tube to a central outlet tube. The central outlet tube is narrowe... | 04/06/2004 |
| 6703720 | Wind powered generator device A wind powered generating device comprises a tube cluster, a collector assembly, and a turbine assembly. The collector assemblies utilize sails that can be rotated in the direction of the wind to direct wind down through an inlet tube to a central outlet ... | 03/09/2004 |
| 6626638 | Ribbon drive power generation for variable flow conditions The ribbon drive generation apparatus is comprised of a ribbon-like curved shape, composed either of metal or other suitable material, attached to a central axle with the complete apparatus being contained in a tube having a constant diameter for the leng... | 09/30/2003 |
| 6612810 | Wind turbine blade with a system for deicing and lightning protection Wind turbine blade comprises a first (1) and a second (2) electric conductor extending in the longitudinal direction of the blade (25), and one or more electric heating elements (4) for heating the surface of the blade. The heating elements (4) are connec... | 09/02/2003 |
