| Patents for F03D 1 - Wind motors with rotation axis substantially in wind direction (12,784) |
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| 09/29/1993 | EP0357740B1 Turbo wind power engine |
| 09/16/1993 | DE4207718A1 Wind powered turbine e.g. for domestic electrical energy storage batteries - Has tangential nozzles around outside of shallow conical rotor disk with radial walls separating wind chambers |
| 08/05/1993 | DE4202649A1 Wind energy converter e.g. for poor wind conditions - has parabolic housing for generator swivelling on vertical axis and rear-mounted rotor blades with outer shroud |
| 07/22/1993 | DE4201425A1 Vane for wind wheel or rotor - is divided into assembly area and wind catchment part divided into groove or shell-shaped sectors |
| 06/22/1993 | US5221186 Wind turbine apparatus with fluidic rotation indicator |
| 06/17/1993 | DE4301289A1 Automatically regulating wind powered energy generator - opening valve flaps to counteract overpressure for ensuring constant working current of driven turbines |
| 06/16/1993 | CN2136342Y Link device for wind-driven generator |
| 05/27/1993 | DE4133956A1 Wind turbine with sail-like wings - has wings with horizontal pivot axis, fastened to axially movable cylindrical spars, mast, cable moving over pulleys |
| 05/25/1993 | US5213470 Wind turbine |
| 05/13/1993 | DE4136956A1 Wind turbine for electricity generation - has several blade pairs inclined rearwards and with turned up edges for increased wind collection |
| 04/22/1993 | DE4232186A1 Wind power generator recovering energy from vehicular traffic - is set in rotation by gusts of wind generated by passage of fast high-sided vehicles |
| 04/14/1993 | CN1020299C Negative pressure type wind machine with cylindrical blade |
| 03/18/1993 | DE4130311A1 Wind power generator - has blades and flaps adjusted by centrally operated rope tensioning system |
| 03/10/1993 | EP0530315A1 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 01/26/1993 | US5182458 Efficient high tower wind generating system |
| 01/14/1993 | DE4122667A1 Cyclone wind power plant with outer fixed tower e.g. for water-pump in hydroelectric application - has number of fixed guide vanes at periphery, number of air passages at its base near to ground, and air inlet in centre of outer tower |
| 01/14/1993 | DE4120908A1 Wind energy extraction aerofoil - has trough-shaped front sheet and flatter rear sheet leading into trough at front end |
| 01/12/1993 | US5178518 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 01/05/1993 | US5176501 Propeller with an elastic sleeve |
| 12/30/1992 | CN2126321U Small size numerical controlled wind-driven generator |
| 12/22/1992 | US5173023 Wind turbine generator blade and retention system |
| 12/10/1992 | WO1992021878A1 Process and installation for producing useable energy from parallel flows |
| 12/10/1992 | CA2110154A1 Process and installation for producing useable energy from parallel flows |
| 12/03/1992 | DE4117838A1 Verfahren und einrichtung zur energetischen nutzung gasfoermiger stoffstroeme, insbesondere langsam fliessender stoffstroeme Method and device for energetic utilization of gaseous material flows, particularly slow-flowing material flows |
| 12/02/1992 | EP0487747A4 Method and device for transformation of potential energy of the air into mechanical energy of shaft rotation |
| 11/10/1992 | US5161952 Dual-plane blade construction for horizontal axis wind turbine rotors |
| 11/05/1992 | DE4114501A1 Wind-thermo-wind power plant utilising solar gain - augments electrical output by contribution from smaller turbines on roof contg. up-draught-driven main turbogenerator |
| 11/04/1992 | CN1065905A Method for wind generating electricity by small fire and use thereof |
| 10/29/1992 | DE4113624A1 Drive for taking power from or giving power to rotors of machine - has ring with toothed belt and electric generators |
| 10/14/1992 | EP0507841A1 Bearing arrangement for the rotor of a wind power engine. |
| 09/30/1992 | CN2117478U Wind electric heating motors set |
| 09/29/1992 | US5151610 Wind machine with electric generators and secondary rotors located on rotating vertical blades |
| 09/10/1992 | DE4107208A1 System for generating system energy from atmospheric winds - uses wind power generator tower with collection and equipment storey |
| 09/08/1992 | US5146096 Efficient high tower wind generating system |
| 08/27/1992 | DE4105935A1 Wind vane for turbine or wind power plant with backwardly curved lateral parts - automatically picks up wind force, with vibration-reducing additional bodies incorporated, vane side edges having cross-set fillets |
| 08/26/1992 | CN2114039U Solar and wind full-automatic draught fan |
| 08/25/1992 | US5140856 In situ balancing of wind turbines |
| 08/20/1992 | DE4104770A1 Updraught power plant started by solar energy - irradiates photovoltaic cells on edge of heating space for earlier activation of rotor in chimney |
| 08/20/1992 | DE4038191A1 Double duct nozzle for burner - has second duct in form of cone which surrounds first duct |
| 08/18/1992 | US5139391 Rotary machine with non-positive displacement usable as a pump, compressor, propulsor, generator or drive turbine |
| 08/13/1992 | DE4207019A1 Variable pitch propeller or helicopter rotor - has torsionally flexible connections between blades and hub |
| 08/11/1992 | US5137417 Wind energy conversion system |
| 07/23/1992 | DE4101591A1 High wind power generating plant - has tower set with its symmetry coupling line through swivel arm bearings to enclose angle of 90 deg. with main wind direction |
| 07/09/1992 | DE4100190A1 Wind power converter - has slot openings and aerodynamic surfaces, to generate or increase suction pressure |
| 06/11/1992 | WO1992009871A1 In situ balancing of wind turbines |
| 06/09/1992 | CA1302898C Devices for extracting power from a moving fluid |
| 06/04/1992 | DE4032614A1 Turbine for wind generator - has horizontal shaft and arrow-shaped blades, for self-adjustment |
| 06/03/1992 | EP0487747A1 Method and device for transformation of potential energy of the air into mechanical energy of shaft rotation |
| 05/27/1992 | DE4037505A1 Wind vanes for wind-driven generator - are horizontally mounted and are of oval cross=section |
| 05/14/1992 | DE4035831A1 Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind |
| 05/07/1992 | DE4034453A1 Rotor blade suspension for wind turbine - has guides fastened in sphere-rubber-metal bearings |
| 04/30/1992 | DE4034383A1 Wind turbine functioning in accordance with turbine theory - achieves spin-free flow behind running equipment |
| 04/16/1992 | WO1992006295A1 An improvement in wind-power plants |
| 04/16/1992 | DE4032627A1 Wind-power rotor-blade suspension system - has lemniscate links in spherical rubber-and-metal bearings |
| 04/09/1992 | DE4132453A1 Vane for wind power unit - comprises main vane and at least one fore-vane section |
| 04/08/1992 | EP0478655A1 Device for harnessing wind energy |
| 04/02/1992 | DE4134062A1 Aircraft propeller with tandem blades - has each tandem pair consisting of two overlapping blades |
| 04/02/1992 | DE4030559A1 Wind driven turbine assembly - has curved blades of hyperbolic form along radial axis |
| 04/02/1992 | DE4030509A1 Blade for wind driven machine - has auxiliary blades mounted on leading edge and on trailing edge |
| 04/01/1992 | EP0477438A1 System for use of wind energy |
| 04/01/1992 | CN1016085B Negative-pressure energy-collecting wind electrogeneration and installation thereof |
| 02/18/1992 | US5088665 Serrated trailing edges for improving lift and drag characteristics of lifting surfaces |
| 02/12/1992 | CN2095948U Rotative wind force machine |
| 02/06/1992 | WO1992001865A1 Wind turbine blade and rotor incorporating same |
| 01/30/1992 | DE4036658A1 Solar up-current installation for sea water desalination - in which solar panels are positioned over sea water and air below is heated carrying evaporating water through flue to condenser |
| 01/23/1992 | WO1992001157A1 Windmill rotor with at least three wings |
| 01/23/1992 | WO1992001156A1 A wing for a windmill |
| 01/14/1992 | US5080553 Turbo wind engine |
| 01/14/1992 | CA1294220C Wind turbine |
| 12/24/1991 | US5075564 Combined solar and wind powered generator with spiral surface pattern |
| 12/24/1991 | US5074376 Noise reduction method |
| 12/19/1991 | WO1991019891A1 Method and device for transformation of potential energy of the air into mechanical energy of shaft rotation |
| 12/19/1991 | CA2064797A1 Method for conversion of potential energy of air into mechanical energy of shaft rotation and apparatus for carrying said method into effect |
| 12/19/1991 | CA2019252A1 Method for regulating an air machine for the conversion of wind energy to useful energy, and machine for carrying out said method |
| 12/12/1991 | DE4014685A1 Propeller wind power machine - has aerofoil blades with hinged flap on ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ leading edge |
| 11/28/1991 | WO1991018203A1 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 11/05/1991 | US5062765 High tower wind generating system |
| 10/03/1991 | WO1991014868A1 Coaxial multi-turbine wind driven generator |
| 10/02/1991 | DE4010211A1 Propeller blade twisting about its radial axis - is constructed from longitudinal segments divided transversely into smaller segments |
| 10/02/1991 | CN1055039A Rotor generator with double bucket-type blades driven by water or wind |
| 09/18/1991 | EP0447000A1 System for fastening a hollow extruded blade for an axial-flow fan to the inserted shank of the blade |
| 08/20/1991 | US5040948 Coaxial multi-turbine generator |
| 07/17/1991 | CN2080994U Blade of 200w wind-driven generator |
| 07/04/1991 | WO1991010066A1 Bearing arrangement for the rotor of a wind power engine |
| 07/04/1991 | DE3943075A1 Aircraft propeller blade - is twisted about radial axis and is constructed from segments enclosed in elastic envelope |
| 07/04/1991 | CA2072865A1 Rotor bearing assembly for a wind power engine |
| 06/05/1991 | CN2078380U Miniature wind-driven generator |
| 05/23/1991 | DE4040411A1 Multi-blade propeller or airscrew - incorporates axial displacement of blades to increase airflow speed |
| 04/24/1991 | CN2075706U Wind or horse generator |
| 04/04/1991 | WO1991004413A1 Wind power plant |
| 03/06/1991 | EP0414785A1 Devices for extracting power from a moving fluid. |
| 02/28/1991 | DE3928169A1 Wind driven power turbine - has single wheel mounted with axis horizontal in circular frame |
| 02/26/1991 | CA1280697C Wind turbine |
| 02/21/1991 | DE3920382A1 Thermic wind turbine for current generation - has wind chimney containing turbines and copper plates releasing thermals |
| 02/07/1991 | DE3924968A1 Power station using multiple energy sources - affords solar, wind and hydroelectric power generation in integrated complex with off-peak storage facility |
| 02/06/1991 | CN2070831U Turbine paddle wing combined wind wheel of wind power motor with horizontal shaft |
| 01/23/1991 | EP0408618A1 Rotary machine with non-positive displacement, for use as a pump, compressor, propulsion unit, generator or drive turbine |
| 01/10/1991 | WO1991000427A1 Device for harnessing wind energy |
| 01/10/1991 | DE3918764A1 Updraught tower with inflatable sections of conical surface - is supported by wind and hot air allowed to escape through vents in top of structure |
| 01/09/1991 | CN1048433A Negative-pressure energy-collecting wind electrogeneration and installation thereof |