Patents for F03D 7 - Controlling wind motors (12,710)
04/1982
04/06/1982CA1121455A1 Wind turbine generator acceleration control
03/1982
03/31/1982EP0048252A1 A wind mill rotor with an automatically adjustable angle of inclination
03/23/1982US4321005 Modular windmill installation
03/23/1982CA1120539A1 A.c. generating system driven by wind, water or fuel engine
03/23/1982CA1120538A1 Multi-mode control system for wind turbines
03/23/1982CA1120537A1 Wind turbine generator pitch control system
03/16/1982US4319865 Windmill
02/1982
02/23/1982US4316699 Windmill structure and power generator
02/23/1982US4316698 Fluid-driven turbine with speed regulation
02/18/1982WO1982000496A1 Improvements relating to wind-driven generator apparatus
02/17/1982EP0046122A2 Wind power plant with vertical-axis windmills
02/16/1982US4316096 Wind power generator and control therefore
02/02/1982US4313710 Wind motor
02/02/1982CA1117427A1 Vertical axis wind turbine
01/1982
01/20/1982EP0043872A1 Pitch regulation device for the rotor vanes of a windmill
01/19/1982US4311435 Balanced power transmission device
01/12/1982US4310284 Automatically controlled wind propeller and tower shadow eliminator
12/1981
12/02/1981EP0041011A1 Fluid current driven machine generating electric or mechanical power
11/1981
11/18/1981EP0039710A1 Windmill transmission and control systems
11/10/1981US4299198 Wind power conversion and control system
11/03/1981US4298313 Horizontal axis wind generator having adaptive cyclic pitch control
10/1981
10/27/1981US4297076 Wind turbine
10/27/1981US4297075 Automatic storm protection control for wind energy system
10/06/1981US4293274 Vertical axis wind turbine for generating usable energy
10/01/1981WO1981002766A1 A wind mill rotor with an automatically adjustable angle of inclination
09/1981
09/22/1981US4291235 Windmill
09/15/1981US4289970 Wind powered electrical generator
09/15/1981US4289444 Fluid energy convertor
09/08/1981US4288704 Wind driven generator with blade protecting means
08/1981
08/05/1981EP0033258A2 Wind turbine with an adjustably orientable rotor axis
07/1981
07/21/1981US4280061 Method and apparatus for generating electricity from a fixed pitch wind wheel
07/14/1981US4278894 Wind-driven power generator
06/1981
06/23/1981US4274809 Vertical axis wind turbines
06/23/1981US4274807 Speed control system for a windmill
06/16/1981US4274011 Wind turbine for marine propulsion
05/1981
05/28/1981WO1981001444A1 Windmill transmission and control systems
04/1981
04/01/1981EP0025791A1 A wind turbine.
03/1981
03/24/1981US4257740 Speed governing hub for windmill
03/24/1981US4257736 Governed propeller type wind motor arrangement
01/1981
01/27/1981US4247253 Vertical axis wind turbine
01/27/1981US4247252 Vertical axis wind turbine
01/27/1981US4247251 Cycloidal fluid flow engine
01/20/1981US4245958 Vertical axis wind turbine
01/07/1981EP0021810A1 Feathering windmill
01/06/1981CA1092983A1 Wind rotor automatic air brake
12/1980
12/30/1980US4242628 Wind energy conversion system
12/30/1980US4242043 Windmill
12/16/1980US4239977 Surge-accepting accumulator transmission for windmills and the like
12/10/1980EP0020207A1 Wind power generating system
12/02/1980US4236504 Impellers and apparatus for use therewith
10/1980
10/07/1980CA1087102A1 Windmill structure
10/02/1980WO1980002056A1 A windmill
10/01/1980EP0016602A1 Improvements in rotors for wind powered electric generators
09/1980
09/16/1980CA1085738A1 Windmill
08/1980
08/26/1980US4219308 Torque control system for wind energy conversion devices
07/1980
07/22/1980US4213737 Wind engine
07/22/1980US4213734 Turbine power generator
06/1980
06/03/1980CA1078740A1 Vertical axis wind turbines
05/1980
05/06/1980US4201514 Wind turbine
04/1980
04/29/1980US4200833 Power maximization circuit
04/15/1980US4198572 Regulated apparatus for the generation of electrical energy, such as a wind generator
04/02/1980EP0009226A2 Wind motor
04/02/1980EP0009052A1 Aerodynamically self-governed wind turbine
03/1980
03/11/1980US4193005 Multi-mode control system for wind turbines
03/05/1980EP0008584A1 Multi-mode control system for wind turbines
02/1980
02/19/1980US4189648 Wind turbine generator acceleration control
01/1980
01/15/1980US4183717 Windmill structure
01/15/1980US4183715 Adjustable vane windmills
01/15/1980CA1069828A1 Higher efficiency wind motor with receptors of diminished drag characteristics
12/1979
12/25/1979US4180372 Wind rotor automatic air brake
12/11/1979US4178127 Variable pitch impeller
09/1979
09/18/1979US4168439 Wind turbine
07/1979
07/17/1979US4161658 Wind turbine generator having integrator tracking
07/17/1979US4161370 Windmill
07/17/1979CA1058523A1 Wind-driven power plant
07/03/1979US4160170 Wind turbine generator pitch control system
06/1979
06/19/1979CA1056732A1 Wind motors
04/1979
04/17/1979US4150301 Wind turbine
03/1979
03/27/1979US4146264 Load control for wind-driven electric generators
03/06/1979US4142830 Mechanical overload systems for wind generators
01/1979
01/16/1979US4134708 Wind driven electric power plant
12/1978
12/12/1978US4129787 Double wind turbine with four function blade set
10/1978
10/03/1978US4118637 Integrated energy system
10/03/1978US4118144 Support means for a windmill
09/1978
09/26/1978US4116585 Self-adjusting wind machine
09/05/1978US4112311 Windmill plant for generating energy
09/05/1978US4111601 Adjustable windmill
08/1978
08/08/1978US4105363 Overspeed control arrangement for vertical axis wind turbines
05/1978
05/09/1978US4088420 Wind electric plant
05/09/1978US4088352 Wind-driven power plant
05/02/1978US4087202 Vertical axis wind turbines
04/1978
04/18/1978US4084921 Windmill with cyclically feathering blades
04/11/1978US4083651 Wind turbine with automatic pitch and yaw control
04/04/1978US4082479 Overspeed spoilers for vertical axis wind turbine
03/1978
03/28/1978CA1028625A1 Vertical arbor motor for windmille
02/1978
02/21/1978US4075500 Variable stator, diffuser augmented wind turbine electrical generation system
01/1978
01/10/1978US4068131 Wind electric plant
01/03/1978US4066911 Wind-driven prime mover
12/1977
12/27/1977US4065225 Multivane windmill
09/1977
09/27/1977US4050246 Wind driven power system