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| Number | Title | Issue Date |
| 4320304 | Apparatus for increasing the flow speed of a medium and for recovering its kinetic energy Apparatus for increasing the flow speed of a medium such as air and for recovering its kinetic energy, comprising a series of concentrical, substantially symmetrically arranged annular members separated by annular slots, said members in the direction towa... | 03/16/1982 |
| 4318019 | Alternator for wind generator An alternator for wind generator use employing a pair of stators having a rotor mounted therebetween in planar coaxial relationship. The stators have radially slotted coil forms integral therewith in which coils are wound in a serpentine fashion. The roto... | 03/02/1982 |
| 4316361 | Water supported wind actuated power generating assembly A counterweighted elongate buoyant body that floats on the surface of the sea or a lake has at least one sail supporting mast extending upwardly therefrom as well as vanes that tend to maintain the sails substantially normal to the direction of movement o... | 02/23/1982 |
| 4316096 | Wind power generator and control therefore A wind powered generator for generating electrical energy comprising a generator which has no slip rings between its field and armature, and which when mounted on a tower is controlled through suitable control mechanism to adjust the power output to a lev... | 02/16/1982 |
| 4314160 | Wind turbine generator for electrical powered vehicles Means to provide additional electrical power in an electrically powered vehicle. An air scoop is mounted on the vehicle. The air scoop opens in a generally forward direction. A turbine wheel is mounted in the rear of the air scoop. An electric generator i... | 02/02/1982 |
| 4311918 | Wind powered generator with gravity assisted mechanical advantage booseter The wind powered mechanical and electric power generator, is a process and apparatus which uses the mechanical advantage of a lever arm to multiply the energy of a moving or mobile weight which is wind powered from a propeller drive, and converts by gravi... | 01/19/1982 |
| 4309006 | Tethered airfoil wind energy conversion system A generally toric lighter-than-air gas bag-type airfoil is tethered to the ground at a plurality of angularly widely distributed points about the periphery of the gas bag. A wind turbine is mounted at the entrance to the axially central vent. The tether l... | 01/05/1982 |
| 4303835 | Wind powered generator with cyclic airfoil latching A wind powered generator rotatable about a vertical axis. A plurality of vertically disposed airfoils are provided, the airfoils being rotatable about a vertical axis parallel to the axis of the generator. The airfoils are selectively latched to be dispos... | 12/01/1981 |
| 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 |
| 4302684 | Free wing turbine Apparatus to convert wind energy into mechanical and electrical energy including a variable pitch air-foil supported by tension guy wires on a wheeled structure constrained to move upon a continuous track. The structure includes electrical generators powe... | 11/24/1981 |
| 4292540 | Wind-powered impeller-mixer The invention is an energy-saving means for providing turbulence as well as circulation to liquids in a controlled natural purification system for advanced waste water treatment and algae farming. The wind-powered impeller-mixers are used in the algae gro... | 09/29/1981 |
| 4291233 | Wind turbine-generator A wind-turbine generator system which transforms the rotational energy of a wind driven turbine blade into rotation in opposite directions of a rotor and a stator of a dynamoelectric machine to generate electrical power. A bevel gear rotating with the tur... | 09/22/1981 |
| 4291235 | Windmill This invention relates generally to an improved windmill design that combines the blade and rotor support system with the electrical generating system in such a way as to simplify the windmill construction. Specifically, it eliminates the need for shafts,... | 09/22/1981 |
| 4288704 | Wind driven generator with blade protecting means A wind driven generator comprising a shaft having one end rotatably mounted in the apex of a conical wind deflector, a wind wheel keyed on the shaft in an open housing behind the deflector. An armature is mounted on the other end of the shaft in close pro... | 09/08/1981 |
| 4285481 | Multiple wind turbine tethered airfoil wind energy conversion system A plurality of wind turbines are supported aloft on the same tethered airfoil which is provided with devices for orienting the wind turbines into the wind. Various ways and devices are described for converting the wind energy into electrical power and for... | 08/25/1981 |
| 4280061 | Method and apparatus for generating electricity from a fixed pitch wind wheel A method and apparatus for generating electricity from wind energy, wherein a wind wheel is connected to drive an energy converter which effects a torque reaction on the wind wheel proportional to the square of the rotational speed of the wheel, so that t... | 07/21/1981 |
| 4278896 | Wind power generator A wind power generator comprising a vertically disposed support post having a support assembly rotatably mounted thereon which extends horizontally laterally therefrom. A plurality of vertically spaced rotor assemblies are rotatably mounted on the support... | 07/14/1981 |
| 4278894 | Wind-driven power generator A wind-driven power generator comprising a plurality of blades mounted between a pair of spoked wheels on a vertical column, said blades being connected through an eccentric rod system to a vane for detecting the direction of the wind and positioning the ... | 07/14/1981 |
| 4275309 | System for converting solar heat to electrical energy This invention consists of a system and apparatus for converting solar heat to electrical energy by accumulating normally non-heated air under a transparent roof which covers a vast area of sand, gravel, or rock covered ground. The accumulated air is suck... | 06/23/1981 |
| 4274011 | Wind turbine for marine propulsion A wind turbine on an essentially vertical mast converting wind power to electric power for the propulsion motors of a screw propelled ship. The turbine is omnidirectional and capable of being reefed for speed control.... | 06/16/1981 |
| 4274010 | Electric power generation Electric power is generated from a non-uniformly operating energy source such as wind or water waves by driving hydraulic pump means by a wind wheel or a bobbing float. The pump feeds hydraulic medium into a cylinder to raise a piston loaded by a weight. ... | 06/16/1981 |
| 4265086 | Wind fence This invention relates to a wind fence, preferably of immense area, adapted to extract energy from the wind and convert it into commercial electricity. The fence of this invention comprises a module of unique design and construction. These modules are use... | 05/05/1981 |
| 4262210 | Devaporizer-windmill system and apparatus A devaporizer-windmill system wherein a rotary fan-like separator and motor-generator functions as a vertical, wind-powered, electric generator which also dehumidified the through going air and collects the resulting moisture which merges with a stream of... | 04/14/1981 |
| 4254843 | Electrically powered vehicle An electrically powered vehicle having a bank of batteries supplying electricity to an electric motor driving wheels of the vehicle includes a whirl ventilator system, a clutch system and an automatically operated, engine-generator unit for recharging the... | 03/10/1981 |
| 4251040 | Wind driven apparatus for power generation Wind driven apparatus for the production of power at a ground location includes an aerodynamic lift generating vehicle capable of maintaining a stable airborne orientation, a tether linking the vehicle to a ground location, mechanical power generating equ... | 02/17/1981 |
| 4242050 | Windmill power generator A windmill powered generator having one or a plurality of wind operated motor units, each being operably connected to a single power drive shaft to effect rotation of said drive shaft regardless of the rotational direction of the wind operated rotary unit... | 12/30/1980 |
| 4242628 | Wind energy conversion system A wind turbine drives the squirrel-cage rotor of a capacitively excited induction generator. The amount of excitation is controlled in accordance with the output voltage of the stator and hence the speed of the wind turbine. The generating system is capab... | 12/30/1980 |
| 4239977 | Surge-accepting accumulator transmission for windmills and the like An alternator, powered by a wind rotor having pitch changeable blades, is maintained at a fixed speed despite variations in wind speed and cyclic perturbations in rotor shaft speed due to rotor dynamics. In one embodiment, a geared speed increaser, coupli... | 12/16/1980 |
| 4237384 | Wind turbine means A turbine wheel which includes a housing for enclosing the electrical generating apparatus, and track structure which engages and rotatably drives the generator or the like, i.e., through suitable coupling structure. Shroud structure is disposed in an ope... | 12/02/1980 |
| 4236083 | Windmill having thermal and electric power output A windmill having thermal and electric power output and including windmill blades rotatably mounted and connected to a speed increaser mechanism of gears and shafts and a centrifugal compressor connected to the windmill thru the speed increaser to be driv... | 11/25/1980 |
| 4230531 | Wind powered solar still Apparatus comprising a solar still and a wind powered generator. Sea water is preheated in a condenser and is supplied to the still where it is heated further either by solar radiation, or by a heated pipe containing brine, or both. The still supplies war... | 10/28/1980 |
| 4229661 | Power plant for camping trailer A power plant for mobile homes, camping trailers, and the like, capable of capturing low powered aeolian energy, storing said energy in the form of compressed air, and delivering it on demand in the form of household electrical current. The device compris... | 10/21/1980 |
| 4228363 | Modular wind electric power plant A wind electric power plant that has the working components thereof assembled and aligned as a stub tower, then tested at the factory prior to shipment of the assembled stub tower to a use site. The power plant includes adjusting wedges for establishing a... | 10/14/1980 |
| 4228362 | Wind electric plant with improved alternator field excitation An improvement in a wind electric plant of the type disclosed in applicants' U.S. Pat. No. 4,059,771 and applicants' co-pending application Ser. No. 887,373, filed Mar. 16, 1978. The improvement comprises utilization of an exciter including an exciter arm... | 10/14/1980 |
| 4228361 | Wind electric plant with improved alternator field excitation An improvement in a wind electric power plant of the type disclosed in U.S. Pat. No. 4,059,771. The improvement comprises including an exciter armature and an associated exciter field winding into the electric circuit disclosed in U.S. Pat. No. 4,059,771.... | 10/14/1980 |
| 4224528 | Solar thermal and wind energy power source A transparent panel enclosed tower provides a confined space for solar heating air. An upright wind turbine, mounted on the tower top, communicates with the tower enclosed space. As the solar heated air expands and becomes lighter it is displaced by coole... | 09/23/1980 |
| 4220870 | Wind conversion lattice array, with multiple mini-turbo-generator modules The wind conversion lattice array, with multiple, mini-turbo/generator modules consists of multiple miniature turbine wind generator modules which are uniformly mounted on an open lattice-like framework structure on a building rooftop or other suitable ra... | 09/02/1980 |
| 4217501 | Mounting for windmills A windmill structure including a mounting for supporting one or a large number of windmills in an elevated position above the ground so that the windmills can weathercock and align with the wind. The mounting arrangement limits movement continuously in on... | 08/12/1980 |
| 4211084 | Conversion of energy by means of tethered whirlwinds Various low grade forms of energy, particularly superadiabatic ground level air, are used to power a whirlwind. The whirlwind is tethered in a fixed place by confinement of the formative whirl from which the whirlwind arises, permitting the energy contain... | 07/08/1980 |
| 4208873 | Fluid flow energy extracting device or wind dam A device for extracting energy from gaseous or liquid fluid flows, comprising two or more foils having openings on the foils' outer surface to tap the low and high pressures created by the fluids passing around them; within each foil there is a partition ... | 06/24/1980 |
