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| Number | Title | Issue Date |
| 4205235 | Automatic electrical load matching device for wind generators An automatic electrical load matching device for applying loads to wind den generators. The device switches five different loads to the output of a wind driven generator. Each load corresponds to a range of speeds of the wind driven generator's rotor.... | 05/27/1980 |
| 4204126 | Guided flow wind power machine with tubular fans A guided flow wind power machine having inter-meshing tubular fan blades is disclosed. The device includes a main frame which is rotatively mounted to permit it to continuously face the wind directly. The main frame carries three separate power cells each... | 05/20/1980 |
| 4198572 | Regulated apparatus for the generation of electrical energy, such as a wind generator The invention relates to a regulated apparatus for the generation of electrical energy. A wind generator comprises a propeller having fixed blades and a generator connected by a transmission to the propeller and having sets of main and secondary brushes. ... | 04/15/1980 |
| 4193005 | Multi-mode control system for wind turbines A multi-mode electronic wind turbine control system establishes a reference blade angle for a two-bladed, horizontal axis, variable pitch wind turbine rotor, the blade angle being regulated by a hydraulic pitch change mechanism. The rotor, via appropriate... | 03/11/1980 |
| 4189648 | Wind turbine generator acceleration control A power generating system includes a wind turbine driven generator, the wind turbine having a wind turbine driven rotor with a variable pitch angle blade. Stresses on the system during startup and shutdown are minimized by scheduling the blade angle as a ... | 02/19/1980 |
| 4186314 | High efficiency wind power machine A high efficiency wind power machine is disclosed which is particularly well suited for large-scale, commercial conversion of wind power into electrical energy. The wind power machine of the present invention employs highly efficient wind-to-electric powe... | 01/29/1980 |
| 4186313 | Wind generator A wind operated generator is disclosed herein having a stationary frame or base rotatably supporting at least four sets of pivotal blades intended to be driven by impinging wind currents. Each set of blades operate in unison for opening and closing air pa... | 01/29/1980 |
| 4186312 | AC Electrical power systems with alternate sources of power AC electrical power system comprising an electrical alternator and a primary power source which is alternatively and automatically utilizable with an emergency power source when the primary power source fails, the primary power source being either a wind-... | 01/29/1980 |
| 4184084 | Wind driven gas generator This invention provides a means to convert wind energy into electrical energy which through electrolysis forms gases to be stored under pressure, giving a form of stored energy for use at some future time by the use of a high torque, low speed vertical ax... | 01/15/1980 |
| 4171491 | Plant for generating and accumulating electric energy with the aid of wind power or solar energy Electric solar or windpowerplant with flywheel battery in which the electric generator is in the form of a d.c. generator, electrically connected to brushless d.c. motors switched in parallel which can also act as generators and each of which is coupled t... | 10/16/1979 |
| 4168439 | Wind turbine The following specification discloses an improvement in vertical axis wind machines having upstanding blades. The blades are attached to a rotatable ring which support the blades at an angle of forty five degrees to the horizontal plane of the ring. Assoc... | 09/18/1979 |
| 4166596 | Airship power turbine Power is mechanically transmitted from a tethered airship carrying wind turbines to electrical generators on the ground at the anchor point of the tether, by the use of endless power-transmission cables bridging between drive sheaves at the turbine wheels... | 09/04/1979 |
| 4164382 | Wind driven power apparatus A wind driven power apparatus for converting wind to mechanical energy is disclosed which includes a fixed axis turbine supported centrally of a fixed air guide defining a plurality of horizontal air passages disposed circumferentially of the turbine and ... | 08/14/1979 |
| 4161658 | Wind turbine generator having integrator tracking A power generating system includes a wind turbine driven generator, the wind turbine having a wind driven rotor with a plurality of variable pitch angle blades. The blade angle is scheduled during acceleration and deceleration of the wind turbine by open ... | 07/17/1979 |
| 4160170 | Wind turbine generator pitch control system Wind energy is used to drive a wind turbine, which is in turn connected to an electrical generator to produce electrical power. The pitch angle of the wind turbine blades is controlled in a closed loop manner to maintain either a constant generator speed ... | 07/03/1979 |
| 4159426 | Energy conversion system In a venturi-shaped wind tunnel, a wind is generated by a wind generating device in the larger end of wind tunnel. Wind thus generated is caused to speed up by the venturi and drives a rotatable wind responsive device in the smaller end of the wind tunnel... | 06/26/1979 |
| 4150301 | Wind turbine An improved fluid driven turbine blade system is provided, which is self-governing at relatively high fluid velocities. This is achieved by a combination of two sets of turbine blades, one having a positive efficiency, and the other having a negative effi... | 04/17/1979 |
| 4150300 | Electrical and thermal energy supply system for buildings An electrical and thermal energy supply system for buildings is disclosed wherein electricity is generated by an engine driving a generator either inside or in close proximity to the building. Heat generated by the engine is recovered and supplied to the ... | 04/17/1979 |
| 4149092 | System for converting the randomly variable energy of a natural fluid Emitters and rotary hydraulic displacement pumps are associated with one or a number of propeller-type transducers and connected to receivers each having a rotary hydraulic displacement motor coupled to an alternator. The emitters are connected to the rec... | 04/10/1979 |
| 4146800 | Apparatus and method of generating electricity from wind energy The invention relates to apparatus for and method of generating electricity from wind energy. The apparatus comprises means such as a foraminous condenser plate and a condenser surface, e.g., the earth, for producing an electrostatic field in the open thr... | 03/27/1979 |
| 4146264 | Load control for wind-driven electric generators In a wind-driven generator system, the generator load curve is matched to the wind-driven rotor characteristic by an electronic field current control which is responsive to the rotor speed. A tachometer circuit produces pulses the repetition rate of which... | 03/27/1979 |
| 4129787 | Double wind turbine with four function blade set A free standing, vertical axis rotor employs both fixed and pivoted airfoil blades assembled on a triangular rotor frame. The angle of attack of the pivoted blades is controlled with reference to the prevailing winds. The rotar base terminates on a ring s... | 12/12/1978 |
| 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 |
| 4112311 | Windmill plant for generating energy Windmill or solar plant for generating electric energy having a transmission in the form of an epicyclic gear transmission with sun wheel and planet wheels, the sun wheel of which is connected to the generator shaft, and the planet wheels being coupled wi... | 09/05/1978 |
| 4093035 | Fluid mill powered vehicle A fluid mill having a tandem set of vanes is mounted within a vehicle and subject to the air stream during forward motion of the vehicle. Rotation of the sets of vanes in response to the force of the air stream drives an electrical generator which supplie... | 06/06/1978 |
| 4079264 | Wind or water operated power plant A fluid operated power generating system comprises a power producing unit or an array of such units adapted to be positioned in a flow of fluid. Each unit includes end walls configurated to cause fluid to flow therealong in a rectilinear path and has a pa... | 03/14/1978 |
| 4075545 | Charging system for automobile batteries A pair of air driven impeller rotors mounted in the front end portion of a vehicle and operatively connected to one or more generators for charging drive motor energizing batteries responsive to forward movement of the vehicle. The impeller rotors are dis... | 02/21/1978 |
| 4070131 | Tornado-type wind turbine Atmospheric wind is admitted tangentially into a vertically extending structure and directed against the interior curved surface of the structure to produce vortex flow. The structure is open ended and spaced from ground or connected to a ram-air subterra... | 01/24/1978 |
| 4068132 | Wind powered electrical generating plant A multi-level support structure contains plural power driven turntables on each level and each turntable carries a plurality of wind powered electrical generator units which are pivotally secured to the turntable and electrically coupled in a power distri... | 01/10/1978 |
| 4066911 | Wind-driven prime mover A sail-type wind-driven prime mover is provided in which the area of the sails facing into the wind is adjustable. The prime mover comprises a drive shaft from which depend radially extending front and rear masts which support flexible sails. The area of ... | 01/03/1978 |
| 4059771 | Wind electric plant with improved alternator field excitation In a wind electric plant of the type including a wind-driven propeller or the like and an alternating current alternator connected to be driven thereby to generate electrical energy for charging storage batteries or other desired use, electrical circuitry... | 11/22/1977 |
| 4057270 | Fluid turbine A turbine for generating electric power when exposed to a fluid source, such as a liquid or gaseous current. The turbine has two substantially annular rotor housings spaced in parallel, horizontal planes. Each housing is provided with a plurality of radia... | 11/08/1977 |
| 4039849 | Wind powered generating systems An electric battery powered automobile has a wind driven rotor device driving a generator to furnish supplementary power to batteries of the electrical power system of the automobile. The rotor device includes a power rotor having a pair of curved blades ... | 08/02/1977 |
| 4035658 | High power wind turbine with kinetic accumulator A high power wind turbine with kinetic accumulator is disclosed. The invention includes a circular wall, a wall turbine movably mounted to the circular wall so that it can be moved to face the wind, a non-linear generator connected to the wind turbine to ... | 07/12/1977 |
| 4031405 | Windmill with shroud adjusting means A windmill having a shroud rotatably mounted with respect to a horizontally rotatable vane assembly of the windmill and a directional vane mounted to the shroud to automatically position the shroud to expose half of the windmill vane assembly to the wind.... | 06/21/1977 |
| 4012163 | Wind driven power generator A turbine type power generator includes a rotor having a vertical shaft to drive a load which may be an electric generator or mechanical gear train or other device for using or transmitting power. Generally vertically extending blades are secured at their... | 03/15/1977 |
| 4006925 | Wind power energy generating system A wind-driven power generating apparatus which includes a main support for securement to a fixed structure. A main drive shaft is retained by this main support and is connected at one of its outer ends to a support block having a plurality of angularly sp... | 02/08/1977 |
| 4002218 | Electrical vehicle An electrically operated vehicle provides a series of rotary members specially mounted to be partially exposed to external direct fluid currents and deflected fluid currents from a deflecting member. Each rotary member provides a series of substantially f... | 01/11/1977 |
| 3995170 | Wind energy conversion device A wind energy conversion device for converting directional wind force to torque along on a vertical rotational axis. The device includes a plurality of flexible vanes mounted to a framework for rotation therewith about a vertical axis. The vanes are mount... | 11/30/1976 |
| 3987987 | Self-erecting windmill A device which lifts itself into the air and either itself carries a windmill for the extractions of power from the wind, or traverses a oscillatory path back and forth across the wind such that the action of the tethering lines for the device can be used... | 10/26/1976 |
