| Patents for F03D 7 - Controlling wind motors (12,710) |
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| 05/22/1996 | EP0713008A1 Ram air turbine with secondary governor |
| 05/21/1996 | US5518367 Cross-wind-axis wind turbine |
| 05/21/1996 | CA2082585C Free-yaw, free-pitch wind-driven electric generator apparatus |
| 05/15/1996 | DE4436951A1 Wind-powered energy plant |
| 05/01/1996 | EP0709571A2 Minimal load shutdown position for windturbine |
| 04/18/1996 | WO1996011337A1 Wind turbine with passive control |
| 04/11/1996 | DE4435606A1 Size adjustable blade for wind power rotor |
| 04/09/1996 | US5506453 Machine for converting wind energy to electrical energy |
| 04/09/1996 | US5505587 RAM air turbine generating apparatus |
| 04/02/1996 | US5503525 Pitch-regulated vertical access wind turbine |
| 03/14/1996 | DE19529096A1 Frusto-conical type wind-power generator with boundary layer division |
| 03/07/1996 | DE4431361A1 Wind power generating machine |
| 02/22/1996 | DE4428731A1 Variable length rotor blade for wind power systems |
| 01/30/1996 | US5487645 Ram air turbine with secondary governor |
| 01/17/1996 | EP0692629A1 Horizontal axis windturbine for electricity generation |
| 12/19/1995 | US5476293 Electric energy storage and distribution system of differential distribution type |
| 11/02/1995 | EP0679805A1 Cross-wind-axis wind turbine |
| 10/26/1995 | DE4413688A1 Wind-power generator station |
| 10/18/1995 | EP0506749B1 Wind turbine |
| 10/10/1995 | US5456579 Wind turbine blade with governor for maintaining optimum rotational speeds |
| 10/03/1995 | US5454694 Vertical axis wind mill with retractable sails |
| 08/23/1995 | CN1107265A Differential distribution type electric energy storage system |
| 08/10/1995 | DE4403400A1 Wind-controlled regulating device for windmill wheel |
| 08/09/1995 | EP0666633A1 An electric energy storage and distribution system of differential distribution type |
| 07/26/1995 | CN2204004Y Wind motor |
| 06/29/1995 | DE4344434A1 Wind-powered machine storm safety device |
| 06/20/1995 | US5425619 Self governing fluid energy turbine |
| 06/14/1995 | EP0629165A4 Axyally compact ram air turbine. |
| 06/08/1995 | DE4430443A1 Combination wind-turbine with multiple propellers and generators |
| 06/06/1995 | US5422826 Microcontroller based control system for use in a wind turbine |
| 06/01/1995 | DE4340158A1 Vertical axis energy converter |
| 04/06/1995 | WO1995009304A1 Wind turbine with a darrieus h-rotor |
| 04/06/1995 | DE4434764A1 Wind power installation (wind power system) having a Darrieus-H rotor |
| 02/15/1995 | EP0638142A1 Rotor construction for windmill. |
| 01/10/1995 | US5380149 Wind turbine cross wind machine |
| 01/05/1995 | WO1995000757A1 Method and apparatus for the emergency shutdown of a wind energy plant |
| 01/04/1995 | CN1097042A Rotating door type numberically controlled wind driven deivce |
| 12/21/1994 | EP0629165A1 Axyally compact ram air turbine |
| 11/24/1994 | DE4316712A1 Self-regulating propellor (airscrew) |
| 11/22/1994 | US5366342 Water pumping push-pull windmill |
| 10/26/1994 | CN1094131A Digitally controlled wind power unit with rotary wings |
| 09/20/1994 | US5348443 Wind impeller |
| 08/25/1994 | DE4304577A1 New design of the wind-driven power generator |
| 08/17/1994 | EP0515419B1 Windmill |
| 08/10/1994 | CN1090627A Digital control full speed wind-driven generator |
| 07/26/1994 | US5332925 Vertical windmill with omnidirectional diffusion |
| 07/13/1994 | CN2171701Y Numerical control wind-power beam-pumping unit |
| 07/06/1994 | EP0604585A1 Speed control system for a variable speed wind turbine |
| 06/16/1994 | DE4241631A1 Wind power plant - has horizontal axis rotor with blades adjustable in angle and vibration damping becoming harder as angle increases |
| 06/14/1994 | US5320491 Wind turbine rotor aileron |
| 04/28/1994 | DE4236092A1 Multiple wind-power generators tower for electricity generation - is located rotatable or swivelable about vertical axes respectively independent of each other at frame which is connected fixed to mast itself braced by ropes |
| 04/20/1994 | EP0507841B1 Bearing arrangement for the rotor of a wind power engine |
| 03/22/1994 | US5295793 Wind turbine |
| 03/10/1994 | DE4229965A1 Async. electrical generator operated at high slip values - has ends of rotor winding coupled to resistance on outside of main stator field |
| 03/08/1994 | US5292229 Rotor bearing assembly for a wind power engine |
| 03/03/1994 | WO1994004820A1 Windmill, wing for such a mill, and add-on element to be mounted on a mill wing |
| 02/22/1994 | US5289041 Speed control system for a variable speed wind turbine |
| 02/17/1994 | WO1994003725A1 Stepanov's aerohydrodynamic engine |
| 01/20/1994 | WO1994001325A1 Wind turbine rotor aileron |
| 01/11/1994 | US5278773 Control systems for controlling a wind turbine |
| 01/05/1994 | DE4221783A1 Rotor blade setting device for wind power generator - uses distribution gearing between setting motor and each rotor blade adjusted for aerodynamic braking of rotor |
| 12/19/1993 | CA2071610A1 Wind turbine |
| 12/14/1993 | US5269652 Aerodynamic brake on a wind rotor for a windmill |
| 11/18/1993 | EP0569556A1 Variable speed wind turbine |
| 11/17/1993 | CN2146579Y Numercially-controlled full-speed wind-driven generator |
| 11/11/1993 | WO1993022555A1 Rotor construction for windmill |
| 11/10/1993 | EP0568644A1 Self-braking windmill |
| 11/02/1993 | US5257907 Axially compact ram air turbine |
| 10/13/1993 | EP0530315A4 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 10/13/1993 | CN1022434C Mechanical blade range variator |
| 09/02/1993 | WO1993016917A1 Axyally compact ram air turbine |
| 08/04/1993 | CN1074978A Moving cam type windmill with constant output |
| 07/27/1993 | CA2018199C Stator wind turbine |
| 07/21/1993 | CN1074509A Vertical spindle wind motor with adjustable blades |
| 07/13/1993 | US5226805 Windmill having blades which alter their pitch angles automatically in response to both wind speed and load |
| 07/06/1993 | US5225712 Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation |
| 06/22/1993 | US5221186 Wind turbine apparatus with fluidic rotation indicator |
| 06/16/1993 | EP0377629B1 Regulating device for maintaining constant the rotary speed in turbines |
| 06/10/1993 | WO1993011604A1 Variable speed wind turbine with reduced power fluctuation and a static var mode of operation |
| 05/05/1993 | CN1020496C Regulating device for maintaining contant rotary speed in turbines |
| 04/27/1993 | CA1316833C Motor |
| 04/21/1993 | EP0537301A1 Self-contained hydraulic moving servo-mechanism for lifting movements on a rotating shaft |
| 04/08/1993 | DE4201457C1 Wind converter vane with flow gap at nose - has gap controlled by centrifugal slider within vane front edge |
| 04/06/1993 | CA1315697C2 Vertical axis wind turbine |
| 04/01/1993 | WO1993006653A1 Speed control system for a variable speed wind turbine |
| 04/01/1993 | CA2119251A1 Speed control system for a variable speed wind turbine |
| 03/10/1993 | EP0530315A1 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 02/02/1993 | US5183386 Vertical axis sail bladed wind turbine |
| 02/02/1993 | US5183383 Wind turbine |
| 01/21/1993 | DE4122771A1 Flapping hinge hub for wind turbine - has hinges and blade synchronisation mechanisms arranged for even flapping movement of 90 deg. |
| 01/13/1993 | EP0522994A1 Wind turbine cross wind machine |
| 01/13/1993 | EP0522874A1 Pitch control mechanism for ram air turbine |
| 01/12/1993 | US5178518 Free-yaw, free-pitch wind-driven electric generator apparatus |
| 12/16/1992 | EP0518024A1 Wind energy converter |
| 12/15/1992 | US5171127 Vertical axis sail bladed wind turbine |
| 12/02/1992 | EP0515419A1 Windmill. |
| 12/01/1992 | CA2070019A1 Wind turbine |
| 11/19/1992 | EP0506749A4 Wind turbine |
| 10/14/1992 | EP0507898A1 Process and device for balancing non-stationary cyclic forces in rotary systems |
| 10/14/1992 | EP0507841A1 Bearing arrangement for the rotor of a wind power engine. |