| Patents for F03D 7 - Controlling wind motors (12,710) |
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| 10/13/2009 | US7602074 Wind power installation having an auxiliary generator and method for the control thereof |
| 10/13/2009 | US7600964 Wind power plant and arrangement of bearings therefor |
| 10/13/2009 | US7600963 Fluid energy converter |
| 10/08/2009 | WO2009122754A1 Power generator |
| 10/08/2009 | WO2009122428A2 Linear wind-powered electric generator |
| 10/08/2009 | US20090250931 Method for operating a wind energy plant with a doubly-fed asynchronous machine and wind energy plant with a doubly-fed asynchronous machine |
| 10/08/2009 | DE102008011148A1 Method for diagnosis of brake system of azimuth rotary joint for wind energy plant, for use during e.g. lull in wind, involves determining functional condition of brake unit from value of parameter of rotary drive |
| 10/08/2009 | CA2732425A1 Linear wind-powered electric generator |
| 10/07/2009 | EP2107236A1 Method of damping tower vibrations of a wind turbine and control system for wind turbines |
| 10/07/2009 | CN201321950Y Sail type automatic speed adjusting vane |
| 10/07/2009 | CN201321949Y Safety device for wind generating set |
| 10/07/2009 | CN201321948Y Control device of aerogenerator |
| 10/07/2009 | CN101550916A Application of wind air engine and automobile |
| 10/07/2009 | CN101550915A Wind air engine and automobile |
| 10/07/2009 | CN101550914A Wind air engine and automobile |
| 10/07/2009 | CN101550912A Vertical wind power generation equipment |
| 10/07/2009 | CN101550911A 12MW dual-layer horizontal reverse rotation following variable-angle blade direct-driving constant-frequency wind turbine generator |
| 10/07/2009 | CN101550910A 12MW dual-layer horizontal reverse rotation following variable-angle blade direct-driving synchronous wind turbine generator |
| 10/07/2009 | CN101550909A A wind power generator and its dynamic balance control system |
| 10/07/2009 | CN101550908A System and method for reducing rotor loads in a wind turbine upon detection of blade-pitch failure and loss of counter-torque |
| 10/07/2009 | CN101550907A Method of damping tower vibrations of a wind turbine and control system for wind turbines |
| 10/07/2009 | CN101550906A DC electric machine variable pitch system and control method thereof |
| 10/07/2009 | CN101549682A Checking braking pressurization system and automobile capable of regenerating and using brake force |
| 10/01/2009 | WO2009118433A1 Wind turbine operation method and system |
| 10/01/2009 | US20090246021 Pulsed torque control of wind turbine pitch systems |
| 10/01/2009 | US20090246020 Method For Damping Edgewise Oscillations In One Or More Blades Of A Wind Turbine, An Active Stall Controlled Wind Turbine And Use Hereof |
| 10/01/2009 | US20090243297 Speed reducer for use in yaw drive apparatus for wind power generation apparatus, and yaw drive method and apparatus for wind power generation apparatus using the speed reducer |
| 10/01/2009 | US20090243295 System and method for reducing rotor loads in a wind turbine upon detection of blade-pitch failure and loss of counter-torque |
| 10/01/2009 | CA2719434A1 Wind turbine operation method and system |
| 09/30/2009 | EP2106013A2 Wind turbine direct drive airgap control method and system |
| 09/30/2009 | EP2105609A2 Flange joint for blade sections of a wind turbine with load sensor on the bolts |
| 09/30/2009 | CN101545456A Vertical gravitational potential energy storage double-layer paddle push-pull driving wind generating set |
| 09/30/2009 | CN101545455A Double-layer horizontal contrarotation follow-up variable angle paddle push-pull driving wind generating set |
| 09/30/2009 | CN101545454A 6MW horizontal turning follow-up variable angle paddle direct-drive permanent magnetism synchronous wind generating set |
| 09/30/2009 | CN101545453A Ball joint type wind-light three-dimensional polymerization power generation system |
| 09/30/2009 | CN101545450A Aerogenerator with vertical shaft |
| 09/29/2009 | US7595563 Method of operating a wind power installation and a wind power installation |
| 09/29/2009 | CA2516477C Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement |
| 09/24/2009 | WO2009116624A1 Windmill rotation detection/management device and wind power generation system |
| 09/24/2009 | WO2009015807A3 Hydrodynamic converter |
| 09/24/2009 | US20090238676 Accelerator for use in a wind power electrical generating system |
| 09/24/2009 | DE10127451B4 Verfahren zur Steuerung einer Windenergieanlage A method for controlling a wind power installation |
| 09/24/2009 | CA2718976A1 Windmill rotation detection/management device and wind power generation system |
| 09/23/2009 | EP2103915A1 Apparatus and method for determining a resonant frequency of a wind turbine tower |
| 09/23/2009 | EP2102495A2 Wind energy installation with negative sequence system regulation and operating method |
| 09/23/2009 | CN101542116A Wind-driven generator |
| 09/23/2009 | CN101539113A Apparatus and method for determining a resonant frequency of a wind turbine tower |
| 09/23/2009 | CN101539112A Wind and gas engine high pressure gas regeneration reserve supply system |
| 09/23/2009 | CN101539111A Vertical wind driven generator |
| 09/23/2009 | CN101539108A Double electric motor press-gathered wind power generating device |
| 09/23/2009 | CN101539098A Windmill used for wind driven generator |
| 09/17/2009 | WO2009112605A1 Method of operation of a wind turbine to guarantee primary or secondary regulation in an electric grid |
| 09/17/2009 | US20090232652 Method and apparatus for rotating a component of a wind energy plant |
| 09/17/2009 | US20090232635 Independent sensing system for wind turbines |
| 09/17/2009 | DE19739164B4 Windenergieanlage Wind turbine |
| 09/17/2009 | DE102008013864A1 Verfahren und Vorrichtung zum Drehen einer Komponente einer Windenergieanlage Method and apparatus for rotating a component of a wind turbine |
| 09/17/2009 | DE102008013392A1 Method for detecting spur running of rotor blade of tower of wind power plant, involves arranging enclosure opposite to tower in tilted manner, and arranging rotor with two rotor blades on wind-power plant |
| 09/17/2009 | DE102007056161B4 Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage A method for operating a wind turbine and wind turbine |
| 09/16/2009 | EP2101058A2 Method and device for turning a component of a wind energy plant |
| 09/16/2009 | EP2100037A2 A method for dynamically lubricating a wind turbine pitch blade bearing |
| 09/16/2009 | EP2100036A2 Differential gear on a wind power plant and method for changing or switching the power range of said differential gear |
| 09/16/2009 | EP2100031A2 Method and device to measure, test and/or monitor turbine performance |
| 09/16/2009 | CN201310437Y Small and medium wind power electricity generator yaw system |
| 09/16/2009 | CN101535636A Method for reducing loads in an aerogenerator |
| 09/16/2009 | CN101535635A Adjustable, self-aligning rotor locking device for an aerogenerator |
| 09/16/2009 | CN101535634A A wind turbine, a method for damping edgewise oscillations in one or more blades of a wind turbine by changing the blade pitch and use hereof |
| 09/16/2009 | CN101532473A Model based wind turbine drive train vibration damper |
| 09/13/2009 | CA2669030A1 Speed-varying device and wind turbine generator system |
| 09/11/2009 | WO2009109655A1 A control system and a method for controlling a wind turbine |
| 09/11/2009 | WO2009109309A2 Blade angle variation rate threshold value adjustment |
| 09/11/2009 | CA2717392A1 Wind-operated torque generator for producing electric power, designed to be installed on top of roofs of both sloping and flat type |
| 09/10/2009 | DE10323785B4 Verfahren zum Erkennen eines Eisansatzes an Rotorblättern A method for detecting ice accretion on rotor blades of a |
| 09/10/2009 | DE102008012957A1 Verfahren zum Betreiben einer Windenergieanlage und Windenergieanlage A method for operating a wind turbine and wind turbine |
| 09/10/2009 | DE102008012956A1 Blattwinkelverstellratengrenzwertanpassung Blattwinkelverstellratengrenzwertanpassung |
| 09/09/2009 | EP2098726A1 A blade support limb structure of vertical axis wind power generator |
| 09/09/2009 | EP2098725A2 Method for operating a wind farm and wind farm |
| 09/09/2009 | EP2097642A2 A method for damping edgewise oscillations in one or more blades of a wind turbine, an active stall controlled wind turbine and use hereof |
| 09/09/2009 | CN101526068A Combined screw impeller wind power generation system |
| 09/03/2009 | WO2009108625A1 Improved wind turbine systems using continuously variable transmissions and controls |
| 09/03/2009 | US20090220340 Variable tip speed ratio tracking control for wind turbines |
| 09/03/2009 | DE202009004959U1 Bremse für eine Windkraftanlage Brake for a wind turbine |
| 09/03/2009 | DE10318695B4 Verfahren zum Betrieb einer Windenergieanlage A method of operating a wind power plant |
| 09/03/2009 | DE102008023075B3 Verfahren und Vorrichtung zum Bremsen einer Strömungsmaschine Method and device for braking of a turbomachine |
| 09/03/2009 | DE102008010466A1 Windenergieanlage mit Blatteinstellwinkelregler Wind turbine with Blatteinstellwinkelregler |
| 09/03/2009 | CA2753879A1 Improved wind turbine systems using continuously variable transmissions and controls |
| 09/03/2009 | CA2728844A1 Hydraulic wind farms for grid electricity and desalination |
| 09/02/2009 | EP2096302A2 Regulator for a blade configuration angle of at least one rotor blade of a wind energy assembly |
| 09/02/2009 | EP2096301A2 Method for operating a wind turbine plant during high wind conditions |
| 09/02/2009 | EP2096300A2 Method of controlling the tip speed ratio of wind turbine blades |
| 09/02/2009 | CN101523048A Wind turbine with blade pitch control to compensate for wind shear and wind misalignment |
| 09/02/2009 | CN101523047A Method for implementing wind energy converting systems |
| 09/02/2009 | CN101520028A Wind power theory of flow-collecting and flow-controlling variable-pressure flow field changes wind power theory of natural flow field of Betz |
| 09/02/2009 | CN101520027A Method of controlling the tip speed ratio of wind turbine blades |
| 09/02/2009 | CN101520026A Wind turbine plant high wind derating control |
| 09/02/2009 | CN101520024A Wind cylinder type wind power generating device |
| 09/02/2009 | CN101520023A Variable propeller pitch wind wheel of wind powered generator |
| 09/02/2009 | CN101520022A Controller for a blade adjustment angle of at least one rotor blade of a wind power plant |
| 09/02/2009 | CN100535434C Tandem type wind electrical motor with dual rotors, and speed changing, frequency converting excitation system |
| 09/01/2009 | US7581926 Servo-controlled extender mechanism for extendable rotor blades for power generating wind and ocean current turbines |
| 08/27/2009 | WO2009103142A1 Wind-driven high power electric plant |