EP3788252A4 - Flexible extension for wind turbine rotor blades - Google Patents
Flexible extension for wind turbine rotor blades Download PDFInfo
- Publication number
- EP3788252A4 EP3788252A4 EP18917237.2A EP18917237A EP3788252A4 EP 3788252 A4 EP3788252 A4 EP 3788252A4 EP 18917237 A EP18917237 A EP 18917237A EP 3788252 A4 EP3788252 A4 EP 3788252A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- wind turbine
- rotor blades
- turbine rotor
- flexible extension
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0232—Adjusting aerodynamic properties of the blades with flaps or slats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/305—Flaps, slats or spoilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—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
- F05B2240/311—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 flexible or elastic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2018/031080 WO2019212560A1 (en) | 2018-05-04 | 2018-05-04 | Flexible extension for wind turbine rotor blades |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3788252A1 EP3788252A1 (en) | 2021-03-10 |
EP3788252A4 true EP3788252A4 (en) | 2022-05-25 |
Family
ID=68387044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18917237.2A Pending EP3788252A4 (en) | 2018-05-04 | 2018-05-04 | Flexible extension for wind turbine rotor blades |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3788252A4 (en) |
CN (1) | CN112313407A (en) |
WO (1) | WO2019212560A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11708813B2 (en) | 2019-11-26 | 2023-07-25 | Siemens Gamesa Renewable Energy A/S | Wind turbine rotor blade flow guiding device and wind turbine rotor blade |
CN114320736A (en) * | 2022-01-04 | 2022-04-12 | 上海电气风电集团股份有限公司 | Wind power blade and blade dynamic stall control method thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090028705A1 (en) * | 2007-06-22 | 2009-01-29 | Gamesa Innovation & Technology, S.L. | Wind turbine blade with deflectable flaps |
US7632068B2 (en) * | 2003-03-31 | 2009-12-15 | Technical University Of Denmark | Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control |
US20120141269A1 (en) * | 2011-09-09 | 2012-06-07 | General Electric Company | Extension for rotor blade in wind turbine |
US20120189455A1 (en) * | 2011-01-24 | 2012-07-26 | Peder Bay Enevoldsen | Wind turbine rotor blade element and wind turbine rotor blade |
US20130266441A1 (en) * | 2012-04-04 | 2013-10-10 | Peder Bay Enevoldsen | Flexible flap arrangement for a wind turbine rotor blade |
US20140072441A1 (en) * | 2012-09-12 | 2014-03-13 | Michael J. Asheim | Load and noise mitigation system for wind turbine blades |
WO2015091797A1 (en) * | 2013-12-20 | 2015-06-25 | Lm Wp Patent Holding A/S | A wind turbine blade having deployable aerodynamic devices |
US20170241400A1 (en) * | 2014-10-10 | 2017-08-24 | Vestas Wind Systems A/S | Wind turbine blade having a trailing edge flap |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100143151A1 (en) * | 2009-02-06 | 2010-06-10 | General Electric Company | Permeable acoustic flap for wind turbine blades |
JP5484892B2 (en) * | 2009-12-25 | 2014-05-07 | 三菱重工業株式会社 | Wind turbine rotor |
US8083488B2 (en) * | 2010-08-23 | 2011-12-27 | General Electric Company | Blade extension for rotor blade in wind turbine |
KR101331961B1 (en) * | 2012-10-23 | 2013-11-22 | 한국에너지기술연구원 | Blade airfoil for wind turbine generator having trailing edge shape which possible inserting of aerodynamic control unit |
US20140356181A1 (en) * | 2013-05-30 | 2014-12-04 | Luis A. Mailly | Wind turbine blade having a tensile-only stiffener for passive control of flap movement |
GB201407671D0 (en) * | 2014-05-01 | 2014-06-18 | Lm Wp Patent Holding As | A wind turbine blade and an associated manufacturing method |
-
2018
- 2018-05-04 EP EP18917237.2A patent/EP3788252A4/en active Pending
- 2018-05-04 CN CN201880095334.8A patent/CN112313407A/en active Pending
- 2018-05-04 WO PCT/US2018/031080 patent/WO2019212560A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7632068B2 (en) * | 2003-03-31 | 2009-12-15 | Technical University Of Denmark | Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control |
US20090028705A1 (en) * | 2007-06-22 | 2009-01-29 | Gamesa Innovation & Technology, S.L. | Wind turbine blade with deflectable flaps |
US20120189455A1 (en) * | 2011-01-24 | 2012-07-26 | Peder Bay Enevoldsen | Wind turbine rotor blade element and wind turbine rotor blade |
US20120141269A1 (en) * | 2011-09-09 | 2012-06-07 | General Electric Company | Extension for rotor blade in wind turbine |
US20130266441A1 (en) * | 2012-04-04 | 2013-10-10 | Peder Bay Enevoldsen | Flexible flap arrangement for a wind turbine rotor blade |
US20140072441A1 (en) * | 2012-09-12 | 2014-03-13 | Michael J. Asheim | Load and noise mitigation system for wind turbine blades |
WO2015091797A1 (en) * | 2013-12-20 | 2015-06-25 | Lm Wp Patent Holding A/S | A wind turbine blade having deployable aerodynamic devices |
US20170241400A1 (en) * | 2014-10-10 | 2017-08-24 | Vestas Wind Systems A/S | Wind turbine blade having a trailing edge flap |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019212560A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3788252A1 (en) | 2021-03-10 |
CN112313407A (en) | 2021-02-02 |
WO2019212560A1 (en) | 2019-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20201104 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RAV | Requested validation state of the european patent: fee paid |
Extension state: MA Effective date: 20201104 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220425 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F03D 1/06 20060101AFI20220419BHEP |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LM WIND POWER A/S |