F03D7/0256 - CPC Classification Index

ClassID:

142435 ⎘

F03D7/0256 - CPC Classification

Classification description:

Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor Stall control

Recent Application in this class:

20230243336

2023-08-03

Method of measuring stall condition of wind turbine rotor

20200378361

2020-12-03

Controlling flap loading on a wind turbine blade based on predicted flap loading

20200277932

2020-09-03

System and method for predicting wind turbine shutdowns due to excessive vibration

20200088162

2020-03-19

Sensor device for an aerodynamic element

20190107102

2019-04-11

System and method for operating wind turbines to avoid stall during derating

20180023546

2018-01-25

Tandem tip-joined rotor blade and hub coupling for passive pitch angle control

20170363061

2017-12-21

Method for retrofitting vortex generators on a wind turbine blade

20170029102

2017-02-02

Methods and systems for rotary wing active flow control

20150093242

2015-04-02

Adjusting a rotor blade pitch angle

#10

20150030448

2015-01-29

Optimization of power production in a wind turbine at below rated power

#11

20140356164

2014-12-04

Apparatus to detect aerodynamic conditions of blades of wind turbines

#12

20140286789

2014-09-25

Airflow generation device and wind power generation system

#13

20140271192

2014-09-18

Actuation mechanisms for load management devices on aerodynamic blades

#14

20140271191

2014-09-18

Mounting arrangement for load compensating device

#15

20140241880

2014-08-28

Method for retrofitting vortex generators on a wind turbine blade

#16

20140145441

2014-05-29

Stall controller and triggering condition control features for a wind turbine

#17

20140003938

2014-01-02

STALL DETECTION OF WIND TURBINE BLADES

#18

20130259682

2013-10-03

METHOD OF ROTOR-STALL PREVENTION IN WIND TURBINES

#19

20130071244

2013-03-21

Wind turbine with a centrifugal force driven adjustable pitch angle and cables retaining blades in a hub

#20

20130028734

2013-01-31

MAGNETIC ACTIVE FLAP

#21

20120326452

2012-12-27

Stall Controller And Triggering Condition Control Features For A Wind Turbine

#22

20120294723

2012-11-22

Wind turbine and wind turbine blade

#23

20120288371

2012-11-15

WIND TURBINE AND AN ASSOCIATED CONTROL METHOD

#24

20120287549

2012-11-15

Wind power generation system

#25

20120280501

2012-11-08

Wind power generation system and control method for the same

#26

20120280500

2012-11-08

Wind power generation system and control method for the same

#27

20120139240

2012-06-07

METHOD FOR REDUCING LOADS IN A WIND TURBINE

#28

20120063896

2012-03-15

Load mitigation device for wind turbine blades

#29

20110241343

2011-10-06

Speed setting system and method for a stall-controlled wind turbine

#30

20110223022

2011-09-15

ACTUATABLE SURFACE FEATURES FOR WIND TURBINE ROTOR BLADES

#31

20110110777

2011-05-12

ACTIVE FLOW CONTROL DEVICE AND METHOD FOR AFFECTING A FLUID BOUNDARY LAYER OF A WIND TURBINE BLADE

#32

20100215493

2010-08-26

Wind Turbine Blade And Method For Controlling The Load On A Blade

#33

20100209258

2010-08-19

BLADE FOR A ROTOR OF A WIND TURBINE PROVIDED WITH BARRIER GENERATING MEANS

#34

20100143129

2010-06-10

Wind turbine blade with integrated stall sensor and associated method of detecting stall of a wind turbine blade

#35

20100066085

2010-03-18

Non-grid-connected wind turbine with double-stator double-salient brushless dc-generator

#36

20100007145

2010-01-14

Stall controller and triggering condition control features for a wind turbine

#37

20090200804

2009-08-13

Method for damping tower oscillations, an active stall controlled wind turbine and use hereof

#38

20090169378

2009-07-02

Wind turbine, wind turbine controller and method for controlling a wind turbine

#39

20090068018

2009-03-12

Wind turbine with slender blade

#40

20090028705

2009-01-29

Wind turbine blade with deflectable flaps

#41

20090021022

2009-01-22

Stall controller and triggering condition control features for a wind turbine

#42

20080118342

2008-05-22

Oscillation damping of a wind turbine

#43

20080112807

2008-05-15

METHODS AND APPARATUS FOR OPERATING A WIND TURBINE

#44

20080101916

2008-05-01

Method and system for deriving wind speed in a stall controlled wind turbine

#45

20070231151

2007-10-04

Active flow control for wind turbine blades

#46

20070170724

2007-07-26

Stall controller and triggering condition control features for a wind turbine

#47

20060147307

2006-07-06

Management system for the operation of a wind turbine

#48

20050201862

2005-09-15

Passive speed and power regulation of a wind turbine