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| Number | Title | Issue Date |
| 8096763 | Wind-operated power generator A method for converting kinetic energy in horizontal currents of naturally occurring fluids above ground into mechanical energy. A circulating element is guided in a closed cycle and is arranged substantially in a plane parallel to the ground. The circulating elemen... | 01/17/2012 |
| 7883318 | Self-orienting, linear drive apparatus for harvesting power from the wind Apparatus for harvesting power from the wind, mounted on a vertical support or pole, has two linear “power harvesting devices” arranged in V-shaped configuration with the apex of the “V” mounted for rotation in a horizontal plane about the vertical support. ... | 02/08/2011 |
| 7329963 | Hydro-electrical generator An hydroelectric generator for generating an electrical current from moving water comprises two endless belts arranged parallel to each other with adjacent runs running in the same direction. A plurality of paddles are mounted on one of the belts and arranged to eng... | 02/12/2008 |
| 7042113 | Hydroelectric generator A hydroelectric generator having a fixed axle, at least one transmission axle parallel to the fixed axle, and a transmission system configured to rotate the transmission axle about the fixed axle and to apply a force to at least one driven member of a device for gen... | 05/09/2006 |
| 6948911 | Water torque converter A water torque converter for extracting energy from the reciprocal motion of water beneath waves in a body of water comprising an open frame on which is mounted a rigid sail. The rigid sail is guidingly moved from one end of the frame to the opposite end of the fram... | 09/27/2005 |
| 6688843 | Once-through pump A once-through pump is provided which is able to improve air-blowing efficiency, reduce operation noise, and achieve a sufficient amount of blast or flow rate even within a limited design space. The once-through pump for accelerating fluid (F) in a flow p... | 02/10/2004 |
| 6435827 | Apparatus for generating a fluid flow An apparatus for generating a fluid flow is disclosed that circulates a plurality of spaced blades or airfoils attached to one or more drive belts about two or more spaced rotatable members. Each blade is commonly journalled with another blade. The inclin... | 08/20/2002 |
| 4878807 | Relating to energy conversion apparatus Wind energy conversion apparatus comprises vertical endless travelling belt means and a plurality of inter-spaced hydrodynamic foil members mounted thereon. Passage of fluid, i.e. wind, over the foil members creates lift forces thereon serving to drive th... | 11/07/1989 |
| 4846091 | Linear propeller The invention relates to a linear propeller device capable of use for propulsion of amphibious vehicles or for liquid pumping, the device having an endless outer surface having a substantially uniform width and being arranged to be movable along a predete... | 07/11/1989 |
| 4642022 | Chain turbine system A chain turbine system of the type including pairs of chains supporting a plurality of pivoted deflection buckets. The pairs of chains are suspended across a moving stream, so that a lower portion of the chains and the deflection buckets travel through th... | 02/10/1987 |
| 4630995 | Fluid flow engine, especially power engine acted upon by gas A fluid flow engine for converting flow energy into useful energy, which includes essentially identically constructed structural parts moving in the same direction along an endless circulatory path. The circulatory path is guided or determined by way of a... | 12/23/1986 |
| 4572962 | Apparatus for extracting energy from winds at high altitudes A wind-operated power-generating module for operation at high altitudes such as 1000 meters comprising a frame structure mounting a pair of vertically-separated parallel shafts around which pass endless belts supporting a series of parallel, elongate wing... | 02/25/1986 |
| 4536125 | Wind lift generator A wind lift generator includes a housing structure formed by a pair of spaced apart plates mounted on support structure for pivotal rotation about a vertical axis at the forward end thereof for orienting into the wind, and said plates supporting a plurali... | 08/20/1985 |
| 4494008 | Wind-driven generator An arrangement for harnessing wind energy has a platform pivotably supported on a base for movement in a horizontal plane with a pair of elongated arms diverging from the base and each supporting cogwheels at opposite ends with an endless support arrangem... | 01/15/1985 |
| 4358687 | Wind powered generator A wind driven device capable of generating electrical power or performing other useful work by transforming wind energy into a rotational power source.... | 11/09/1982 |
| 4350474 | Tide following wave power machine At least two spaced piers are constructed on a suitable tidal beach extending from the shore into the water a predetermined distance to meet the first breaking waves at low tide. A carriage is movably supported on the piers on an inclined path, the carria... | 09/21/1982 |
| 4303834 | Cable wind mill Disclosed is a wind power generating apparatus for producing megawatt levels of power. The apparatus comprises at least one endless flexible cable supported on the peripheries of two spaced apart wheels. Airfoils are attached to the cable and disposed for... | 12/01/1981 |
| 4184584 | Bucket elevator The disclosure relates to bucket elevators of the type having a series of rotatably mounted buckets carried by and extending between spaced apart, parallel traction chains or belts. The traction chains or belts are, at the discharge station, disposed to r... | 01/22/1980 |
| 4134469 | Linear turbine A turbine in the form of an endless "Venetian blind" set of arcuate turbine blades mounted to extend between a pair of endless chains that are entrained over sets of sprockets so that two flights of the blades travel in opposite directions in closely spac... | 01/16/1979 |
| 4128073 | Water sports craft A water sports craft comprises two laterally-spaced elongated pontoons with fixed, vertically inclined tread-mill propulsion apparatus mounted therebetween one end of which extends into the water the propulsion apparatus characterized by two superposed cl... | 12/05/1978 |
| 4114046 | Electrical generator employing natural energy to power same This invention concerns an improved turbo-electrical generator powered by the conversion of natural energy into mechanical energy in order to propel ferromagnetic blocks about an irregularly, non-circular shaped closed loop track, alternately entering and... | 09/12/1978 |
| 4113205 | Aerodynamic lifting mechanisms An aerodynamic lift mechanism comprises a plurality of aerofoils mounted on two continuous toothed belts which are driven by toothed pulleys. A lever connects each aerofoil to a continuous member which substantially follows the contour of the belts but wh... | 09/12/1978 |
| 4049300 | Fluid driven power producing apparatus An apparatus for generating electric current by the force of a fluid in motion. The device comprises a support structure; two substantially parallel axles positoned in an alterable vertically extending plane detachably supported by said housing and capabl... | 09/20/1977 |
| 3957390 | Wind driven power mechanism An elongated base is positioned longitudinally in the direction of the wind and has first and second endless carriers operable longitudinally thereof. A plurality of vanes are operably connected to said carriers such that they are disposed upright for sur... | 05/18/1976 |
| 3945755 | Torque transmitting apparatus An apparatus for transmitting torque to a load includes a pair of pulleys vertically spaced apart by a great distance for movably mounting a long endless belt in a substantially vertical disposition to move it freely in a closed loop path, a plurality of ... | 03/23/1976 |