EP3788255A4 - Vortex generators for wind turbine rotor blades having noise-reducing features - Google Patents
Vortex generators for wind turbine rotor blades having noise-reducing features Download PDFInfo
- Publication number
- EP3788255A4 EP3788255A4 EP18917568.0A EP18917568A EP3788255A4 EP 3788255 A4 EP3788255 A4 EP 3788255A4 EP 18917568 A EP18917568 A EP 18917568A EP 3788255 A4 EP3788255 A4 EP 3788255A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- noise
- wind turbine
- rotor blades
- turbine rotor
- vortex generators
- 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.)
- Withdrawn
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
- 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
- F05B2240/306—Surface measures
- F05B2240/3062—Vortex generators
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (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)
- Wind Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2018/030087 WO2019212456A1 (en) | 2018-04-30 | 2018-04-30 | Vortex generators for wind turbine rotor blades having noise-reducing features |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3788255A1 EP3788255A1 (en) | 2021-03-10 |
EP3788255A4 true EP3788255A4 (en) | 2021-12-08 |
Family
ID=68385996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18917568.0A Withdrawn EP3788255A4 (en) | 2018-04-30 | 2018-04-30 | Vortex generators for wind turbine rotor blades having noise-reducing features |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3788255A4 (en) |
CN (1) | CN112020608B (en) |
WO (1) | WO2019212456A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160215758A1 (en) * | 2013-09-02 | 2016-07-28 | Corten Holding Bv | Vortex generator for a wind turbine |
US20170314530A1 (en) * | 2016-04-28 | 2017-11-02 | General Electric Company | Wind turbine blade with noise reducing micro boundary layer energizers |
EP3514370A1 (en) * | 2018-01-17 | 2019-07-24 | General Electric Company | A rotor blade assembly and a wind turbine having the rotor blade assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201771673U (en) * | 2009-12-30 | 2011-03-23 | 力仓风力设备(上海)有限公司 | Vortex generator on surface of wind-power blade |
US8047801B2 (en) * | 2010-06-23 | 2011-11-01 | General Electric Company | Wind turbine blades with aerodynamic vortex elements |
US20110142595A1 (en) * | 2010-07-02 | 2011-06-16 | General Electric Company | Wind turbine blades with controlled active flow and vortex elements |
ES2763837T3 (en) * | 2013-12-20 | 2020-06-01 | Lm Wp Patent Holding As | A wind turbine blade that has deployable aerodynamic devices |
US9476406B2 (en) * | 2014-04-14 | 2016-10-25 | Siemens Aktiengesellschaft | Vortex generators aligned with trailing edge features on wind turbine blade |
EP3037656B1 (en) * | 2014-12-22 | 2016-12-14 | Siemens Aktiengesellschaft | Rotor blade with vortex generators |
US10087912B2 (en) * | 2015-01-30 | 2018-10-02 | General Electric Company | Vortex generator for a rotor blade |
JP6154050B1 (en) * | 2016-08-08 | 2017-06-28 | 三菱重工業株式会社 | Wind turbine blade, wind turbine rotor, wind power generator, and vortex generator mounting method |
-
2018
- 2018-04-30 EP EP18917568.0A patent/EP3788255A4/en not_active Withdrawn
- 2018-04-30 CN CN201880093012.XA patent/CN112020608B/en active Active
- 2018-04-30 WO PCT/US2018/030087 patent/WO2019212456A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160215758A1 (en) * | 2013-09-02 | 2016-07-28 | Corten Holding Bv | Vortex generator for a wind turbine |
US20170314530A1 (en) * | 2016-04-28 | 2017-11-02 | General Electric Company | Wind turbine blade with noise reducing micro boundary layer energizers |
EP3514370A1 (en) * | 2018-01-17 | 2019-07-24 | General Electric Company | A rotor blade assembly and a wind turbine having the rotor blade assembly |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019212456A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN112020608B (en) | 2024-05-10 |
WO2019212456A1 (en) | 2019-11-07 |
EP3788255A1 (en) | 2021-03-10 |
CN112020608A (en) | 2020-12-01 |
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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 |
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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: 20201028 |
|
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: 20201028 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20211109 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F03D 1/06 20060101AFI20211103BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20220608 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |