F05B2240/313 - CPC Classification Index

ClassID:

144638 ⎘

F05B2240/313 - CPC Classification

Classification description:

Components; Rotors; Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape with adjustable flow intercepting area

Recent Application in this class:

20230407840

2023-12-21

Rotatable Blade Apparatus With Individually Adjustable Blades

20230087285

2023-03-23

Collapsible frictionless vertical axis power generating wind/ocean current turbine

20220397091

2022-12-15

PIVOT ANGLE CONTROL OF BLADES OF A WIND TURBINE WITH HINGED BLADES

20220154690

2022-05-19

ROTATABLE BLADE APPARATUS WITH INDIVIDUALLY ADJUSTABLE BLADES

20220042489

2022-02-10

Collapsible frictionless vertical axis power generating wind/ocean current turbine

20210215130

2021-07-15

Wind turbine with hinged blades having a hinge position between inner and outer tip end of the blades

20190368467

2019-12-05

Method for controlling air deflectors and pitch angles of wind turbine blades

20190107101

2019-04-11

Rotatable blade apparatus with individually adjustable blades

20180313326

2018-11-01

Blade adapter for wind turbines

#10

20180051673

2018-02-22

Vane device for a wind turbine apparatus

#11

20170248122

2017-08-31

Wind turbine for use in high winds

#12

20170138344

2017-05-18

Savonius rotor

#13

20170022973

2017-01-26

Upwind wind turbine

#14

20170002794

2017-01-05

Windmill that generates exceptional amounts of electricity

#15

20160327026

2016-11-10

Camber changing and low drag wing for vertical axis wind turbine

#16

20160237987

2016-08-18

Horizontal axis wind turbine comprising families of blades

#17

20160169198

2016-06-16

Rotatable blade apparatus with individually adjustable blades

#18

20160123300

2016-05-05

Vertical axis water/wind turbine motor using flight feather opening/closing wing system

#19

20150252776

2015-09-10

Device for generating hydroelectric energy

#20

20150204306

2015-07-23

Rotatable aerodynamic surface features for wind turbine rotor blades

#21

20150044055

2015-02-12

Wind turbine having flow-aligned blades

#22

20140271191

2014-09-18

Mounting arrangement for load compensating device

#23

20140167414

2014-06-19

Variable diameter and angle vertical axis turbine

#24

20140044547

2014-02-13

Rotatable blade apparatus with individually adjustable blades

#25

20130323056

2013-12-05

Vertical axis wind turbine blade

#26

20130167523

2013-07-04

Arrangement for a surface area adjustment of a reciprocating wing system in a wave energy recovery system

#27

20130028733

2013-01-31

Wind turbine having flow-aligned blades

#28

20130017083

2013-01-17

Excessive wind portal for wind turbines

#29

20120315146

2012-12-13

Manufacturing method of wind turbine blades of variable length

#30

20120195761

2012-08-02

WIND GENERATOR OF VERTICAL AXLE WITH INHIBITION OVERSPEED FLAPS

#31

20120134815

2012-05-31

Blade extension for rotor blade in wind turbine

#32

20120093627

2012-04-19

METHOD FOR SITE SPECIFIC ENERGY CAPTURE OPTIMIZATION THROUGH MODULAR ROTOR BLADE TIP EXTENSION

#33

20120091715

2012-04-19

Vertical axis wind turbine with speed regulation and storm protection system

#34

20120070282

2012-03-22

High torque vertical axis windmill

#35

20120051912

2012-03-01

Articulated wind turbine blades

#36

20110171033

2011-07-14

POWER-GENERATING WIND TURBINE AND ITS MANUFACTURING METHOD

#37

20110142681

2011-06-16

Rotor blade assembly

#38

20110123332

2011-05-26

Energy extraction device with at least one bank of blades

#39

20110097207

2011-04-28

Pressure relief device

#40

20100322768

2010-12-23

VARIABLE-GEOMETRY BLADE FOR AN EOLIC GENERATOR

#41

20100310374

2010-12-09

RETRACTABLE BLADE STRUCTURE WITH A SPLIT TRAILING EDGE

#42

20100150717

2010-06-17

Variable-diameter rotor with centrifugal forces compensation mechanism

#43

20100143152

2010-06-10

Method and apparatus for increasing lift on wind turbine blade

#44

20100143131

2010-06-10

Folding blade turbine

#45

20100140949

2010-06-10

Mobile wind turbine

#46

20100135802

2010-06-03

VANE STRUCTURE FOR VERTICAL AXIS WIND POWER GENERATOR

#47

20100045037

2010-02-25

POWER GENERATION SYSTEM USING WIND TURBINES

#48

20090304508

2009-12-10

Self-adjusting wind turbine generator blade

#49

20090304507

2009-12-10

RETRACTABLE ROTOR BLADE STRUCTURE

#50

20090180880

2009-07-16

CHECK VALVE TURBINE

#51

20090169379

2009-07-02

METHODS AND APPARATUS FOR ADVANCED WIND ENERGY CAPTURE SYSTEM

#52

20090167028

2009-07-02

Wind turbine generator rotor, wind turbine generator and wind turbine generator system

#53

20090092490

2009-04-09

Aperture and flap vertical axis wind machine

#54

20090058091

2009-03-05

Magnus force fluid flow energy harvester

#55

20090035135

2009-02-05

Wind Generator

#56

20090010761

2009-01-08

Rotating device to be used in a fluid

#57

20080296906

2008-12-04

POWER GENERATION SYSTEM USING WIND TURBINES

#58

20080240923

2008-10-02

Rotor blade for a wind turbine having a variable dimension

#59

20080185480

2008-08-07

Ultralight airfoils for wind energy conversion

#60

20080145224

2008-06-19

Vertical axis wind turbine system

#61

20080069696

2008-03-20

Tension Windmill

#62

20080007067

2008-01-10

Wind turbine

#63

20070286728

2007-12-13

Rotatable blade apparatus with individually adjustable blades

#64

20070257494

2007-11-08

Vertical-axis wind turbine

#65

20060188375

2006-08-24

Rotor for a turbomachine

#66

20060171805

2006-08-03

Device for interacting with a fluid moving relative to the device and vehicle including such a device

#67

20060093483

2006-05-04

Sky turbine that is mounted on a city

#68

20060056972

2006-03-16

Wind turbine

#69

20060045743

2006-03-02

Foldable blades for wind turbines

#70

20060033338

2006-02-16

Wind flow estimation and tracking using tower dynamics

#71

20060002786

2006-01-05

Laminar air turbine

#72

20050285406

2005-12-29

Telescoping wind turbine blade

#73

20050207890

2005-09-22

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

#74

20050207889

2005-09-22

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

#75

20050200135

2005-09-15

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

#76

20050200134

2005-09-15

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

#77

20050069413

2005-03-31

System and method and for use in hydroelectric power station and hydroelectric power station employing same

#78

20050008488

2005-01-13

Sky turbine that may be mounted on top of a city