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| Number | Title | Issue Date |
| 7785080 | Downhole ram pump A downhole ram pump. A downhole pump system includes a flow restricting device which variably restricts fluid flow through an opening, the restricting device vibrating in response to the fluid flow, thereby alternately increasing and decreasing the fluid flow throug... | 08/31/2010 |
| 7364410 | Pressure storage structure for use in air A pressure storage structure for use in air is disclosed. The structure has a main body characterized in that the main body has been secured and the main body includes a plurality of air chambers, each chamber has an open end, and the chamber contains a piston, an e... | 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 |
| 7267530 | Windmill apparatuses and methods of mounting blades to enhance their performance A windmill apparatus has multiple pairs of blades to enhance power output and lift performance. The apparatus has multiple double acting piston/cylinders actuated by the windmill, which includes several clutches that are used to engage and disengage the windmill fro... | 09/11/2007 |
| 7239035 | System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems An integrated, wind-pumped hydro power generation system includes at least one wind turbine generator device configured to generate output power for a common bus, and at least one hydro generator device configured to generate output power for the common bus. The hyd... | 07/03/2007 |
| 7067935 | Method for regulating the level of a dam installation and dam installation implementing the method Method of regulating a water level of a dam installation having a plurality of turbine generator units arranged to generate electrical power, wherein at least some of the plurality of turbine generator units are arranged at least one of one above another and one bes... | 06/27/2006 |
| 7047803 | Method for siting and operating an odor dispersing wind machine array A method for arranging and operating an array of wind machines to disperse area-wide odors, as generated by municipal waste treatment facilities and the like. The method includes a wind machine positioned to force air across the odor source. The wind machine is pref... | 05/23/2006 |
| 7023104 | Wave energy conversion device for desalination, ETC An impulse-type “wave motor” employs a seabed-mounted or supported structure mounting a wave energy absorbing panel on a hinged lever arm for reciprocation motion to obtain optimal absorption of wave energy from wave motion in the sea. For deepwater wavelengths ... | 04/04/2006 |
| 6935832 | Portable power generating devices Portable power generating devices are provided for converting potential energy from flowing water, water current, blowing air or air current to mechanical and/or electrical energy. The potential energy is converted to a rotational movement, and the rotational energy... | 08/30/2005 |
| 6903466 | Wind-power generator pod constituted by the body of an electricity generator The pod of wind-powered generator is constituted by a rigid fairing in which at least one electricity generator for coupling to at least one wind-driven propeller is disposed. The rigid fairing of the pod is formed by the body of the generator in which there are mou... | 06/07/2005 |
| 6863505 | Wind driven high pressure water pump This invention relates to a wind mill which is designed to convert rotational energy to mechanical energy to drive one or more pistons to raise a liquid such as water to an elevated location if necessary at a positive pressure. In addition, the present invention may... | 03/08/2005 |
| 6798081 | Energy-efficient and environmentally helpful power conversion system and method A high-efficiency energy conversion system and method which is able to use a low volume air flow source such as a vacuum cleaner to turn a drive means and generate rotary energy. The system and method includes a water-filled container and a drive means which is sele... | 09/28/2004 |
| 6699019 | Reciprocating windmill pumping system A system for pumping water from a well (32) drilled into an underground water source (44) that is operable in association with the windmill (10) having a tower frame (14), a wind driven turbine (12), and a reciprocating pump shaft (16) operably connected ... | 03/02/2004 |
| 6132181 | Windmill structures and systems A windmill having a plurality of radially extending blades, each being an aerodynamic-shaped airfoil having a cross-section which is essentially an inverted pan-shape with an intermediate section, a leading edge into the wind, and a trailing edge which ha... | 10/17/2000 |
| 5899664 | Oscillating fluid flow motor An oscillating fluid flow motor and an in-stream fluid flow power system that converts the energy in the flowing fluid to mechanical energy through a vane that automatically sweeps back and forth across the flow. The oscillating fluid flow motor consists ... | 05/04/1999 |
| 5599172 | Wind energy conversion system A wind energy conversion system employs a wind turbine means mounted on a frame, said wind turbine having a venturi configured shroud with a core and a plurality of blades fixedly mounted between the core and the throat of the venturi. The blades have an ... | 02/04/1997 |
| 5426332 | Tidal generator An electric power generator apparatus that generates electrical power from the tidal movements of a body of water by employing multiple energy producing systems. Those energy producing systems include: (1) a moveable tank system associated with hydraulic ... | 06/20/1995 |
| 5275643 | Fog water collecting device The present invention is a device that can obtain fresh water from fog. The fog water collecting device comprises a vertical shaft, windmill elements for producing rotational force from wind, a cylindrical rotating structure supported so as to rotate abou... | 01/04/1994 |
| 5196770 | Vertically reciprocating constant power drive unit for raising a load step by step A vertically reciprocating and substantially constant power drive unit, including pumping equipment situated at the bottom of a string of drive rods is provided. The drive unit comprises a linear electric motor whose field inductor and whose armature are ... | 03/23/1993 |
| 5174724 | Wind-electric water pumping system Disclosed is a two cylinder water well pumping system which uses the wind as a primary driving force with an alternate electric motor drive for use when the wind force is not adequate. The wind drives a square wheel turbine which in turn drives a swash pl... | 12/29/1992 |
| 5122031 | Wind-driven pump A windmill driven pump having rotatable windmill vanes attached to a turning shaft. A disk is eccentrically mounted on the shaft so that both the disk and shaft rotate along with the vanes. Bearings selectively cooperate with the disk to transfer the rota... | 06/16/1992 |
| 5027000 | Method and apparatus for generating electricity using wave energy A wave power generating system for generating electricity using natural wave power, includes wave energy converters for converting wave energy into air pressure, a constant air pressure tank for storing the air pressure from the wave energy converters to ... | 06/25/1991 |
| 4849647 | Floating water turbine A floating water turbine for taking the kinetic energy from linear current flow and converting it into mechanical energy and subsequently into electrical energy. The turbine is constructed of a buoyant material to support itself on top of the water, there... | 07/18/1989 |
| 4820134 | Loop pump A loop pump (1) for pumping liquid, i.e. a pump comprising a pipe (3) or the like embodied in a plurality of turns/loops. The pipe is rotated by a drive source to introduce alternately air and liquid into an inlet (4) and to pump the liquid to a drawing p... | 04/11/1989 |
| 4784570 | Windmill A windmill is provided having a flywheel attached to the fan shaft and an upwardly extending crank link which is cranked by crank pin mounted off-center on the face of the flywheel. The crank link rocks a rocker beam which may, for example, actuate a pump... | 11/15/1988 |
| 4764313 | Air driven water circulation mill A flotation platform supports a mast assembly through which a drive shaft extends having a wind driven turbine on the upper end and a propeller on the lower end situated below the water surface. The propeller is rotated by the wind turbine and causes loca... | 08/16/1988 |
| 4717832 | Tidal and river turbine An improved hydroelectric system provides automatic adjustment for both tidal (reversing) and river (one way) type flow. A plurality of parallel, axial flow auger-type impellors are mounted in a horizontal plane on a floating, inverted-dry-dock type vesse... | 01/05/1988 |
| 4671742 | Water supply system, energy conversion system and their combination Water supply system comprising a unit for converting the wind energy into kinetic energy, a unit for converting the kinetic energy into another usable form of energy and a unit for supplying water driven by that usable form of energy. According to the imp... | 06/09/1987 |
| 4629904 | Micro-hydroelectric power plant A small-scale hydroelectric generator has a micro-hydro axial-flow turbine mounted in a lower end of a penstock, preferrably of the siphon type, through which water is diverted from an intake basin. The turbine comprises a stator section formed with an ax... | 12/16/1986 |
| 4598628 | Rotary hydraulic engine having oppositely disposed pistons in a scotch yoke assembly A rotary hydraulic engine is disclosed having a stationary crankshaft with an eccentric crank portion disposed thereon. A housing is rotatable about the crankshaft. At least two pairs of cylinders are connected to the housing and extend quadrilaterally th... | 07/08/1986 |
| 4565502 | Counterbalance wheel for a wind machine A counterbalance wheel for a wind machine includes a wheel, a counterweight attached to the rim of the wheel, a cranking means for the wheel, and a frame constituting a support stand. By evenly distributing the loads imposed on the wind machine by a recip... | 01/21/1986 |
| 4515529 | Energy transducer for hydraulic wind power conversion system and instrumentation therefor A manually adjustable constriction or orifice to provide a means for optimizing the hydraulic power being converted to heat in a hydraulic windpower conversion system. The hydraulics and constriction are arranged to obtain the proper conditions necessary ... | 05/07/1985 |
| 4511808 | Installation for exploiting water currents in flowing waters by means of a plurality of water wheels An installation for exploiting the energy of flowing water in a river stream comprising a plurality of anchored pontoons supporting a plurality of waterwheels; the pontoons being arranged in a plurality of rows, the pontoons in each row being in tandem su... | 04/16/1985 |
| 4503673 | Wind power generating system Normally feathered propeller blades of a wind power generating system unfeather in response to the actuation of a power cylinder that responds to actuating signals. Once operational, the propellers generate power over a large range of wind velocities. A m... | 03/12/1985 |
| 4476851 | Windmill energy system A windmill energy system for extracting energy from available wind power comprising a windmill in combination with a compressor pump in an essentially closed loop system with the compressor pump including a tubular upper section having a cylindrical bore ... | 10/16/1984 |
| 4470770 | Wind powered apparatus An elevated and elongated boom is centrally pivoted for rocking movement in a vertical plane through the horizontal plane. Provision is made to align such plane with the direction of the wind. A pair of free wings are mounted on the fore and aft ends of t... | 09/11/1984 |
| 4435131 | Linear fluid handling, rotary drive, mechanism Fluid handling mechanism has a vane with parallel side edges coupled to a crank at one end and to an obliquely transverse guide track at the other end. The vane is closely runningly fitted, between parallel side walls and curved top and bottom walls, exec... | 03/06/1984 |
| 4433552 | Apparatus and method for recovering atmospheric moisture An apparatus and method for recovering atmospheric moisture utilizing a wind driven electrical generator for powering a mechanical refrigeration system for condensing atmospheric moisture. A housing is provided forming an atmospheric duct with a turbine m... | 02/28/1984 |
| 4392785 | Pump control system for windmills A windmill control system having lever means, for varying length of stroke of the pump piston, and a control means, responsive to the velocity of the wind to operate the lever means to vary the length of stroke and hence the effective displacement of the ... | 07/12/1983 |
| 4385871 | Wind driven air pump An improved pump for lifting water from an underground source utilizes a wind motor for driving an oil-less air compressor eliminating oil contamination of ground water which is forced to the surface. The wind motor is movable to face the wind by means of... | 05/31/1983 |
