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 PDF

Info

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Withdrawn
Application number
EP18917568.0A
Other languages
German (de)
French (fr)
Other versions
EP3788255A1 (en
Inventor
Drew Adam WETZEL
Kevin Wayne KINZIE
Jonathan Glenn LUEDKE
Andreas Herrig
Benoit Philippe PETITJEAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP3788255A1 publication Critical patent/EP3788255A1/en
Publication of EP3788255A4 publication Critical patent/EP3788255A4/en
Withdrawn legal-status Critical Current

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
EP18917568.0A 2018-04-30 2018-04-30 Vortex generators for wind turbine rotor blades having noise-reducing features Withdrawn EP3788255A4 (en)

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 (2)

Country Link
EP (1) EP3788255A4 (en)
WO (1) WO2019212456A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3084209B1 (en) * 2013-12-20 2019-09-25 LM WP Patent Holding A/S A wind turbine blade having deployable aerodynamic devices
US9476406B2 (en) * 2014-04-14 2016-10-25 Siemens Aktiengesellschaft Vortex generators aligned with trailing edge features on wind turbine blade
ES2612213T3 (en) * 2014-12-22 2017-05-12 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019212456A1 *

Also Published As

Publication number Publication date
WO2019212456A1 (en) 2019-11-07
CN112020608A (en) 2020-12-01
EP3788255A1 (en) 2021-03-10

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