ATE478802T1 - Blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur reduzierung einer solchen bewegung im strömungswiderstand - Google Patents

Blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur reduzierung einer solchen bewegung im strömungswiderstand

Info

Publication number
ATE478802T1
ATE478802T1 AT09007388T AT09007388T ATE478802T1 AT E478802 T1 ATE478802 T1 AT E478802T1 AT 09007388 T AT09007388 T AT 09007388T AT 09007388 T AT09007388 T AT 09007388T AT E478802 T1 ATE478802 T1 AT E478802T1
Authority
AT
Austria
Prior art keywords
blade
reducing
sheet
movement
flow resistance
Prior art date
Application number
AT09007388T
Other languages
English (en)
Inventor
Thomas Manfredotti
Paul Cranga
Julien Guitton
Original Assignee
Eurocopter France
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 Eurocopter France filed Critical Eurocopter France
Application granted granted Critical
Publication of ATE478802T1 publication Critical patent/ATE478802T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/005—Vibration damping devices using suspended masses
    • 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
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Vibration Prevention Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Surface Heating Bodies (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Paper (AREA)
AT09007388T 2008-06-27 2009-06-04 Blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur reduzierung einer solchen bewegung im strömungswiderstand ATE478802T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0803618A FR2933068B1 (fr) 2008-06-27 2008-06-27 Pale pour reduire les mouvements en trainee de ladite pale et procede pour reduire un tel mouvement en trainee.

Publications (1)

Publication Number Publication Date
ATE478802T1 true ATE478802T1 (de) 2010-09-15

Family

ID=40409771

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09007388T ATE478802T1 (de) 2008-06-27 2009-06-04 Blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur reduzierung einer solchen bewegung im strömungswiderstand

Country Status (7)

Country Link
US (1) US8297928B2 (de)
EP (1) EP2138399B1 (de)
KR (1) KR101121126B1 (de)
CN (1) CN101612990B (de)
AT (1) ATE478802T1 (de)
DE (1) DE602009000138D1 (de)
FR (1) FR2933068B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2389325T3 (es) * 2009-03-25 2012-10-25 Siemens Aktiengesellschaft Disposición para determinar un momento estático de una pala
GB2486470A (en) * 2010-12-16 2012-06-20 Flakt Woods Ltd Fan blade with oscillating damping mass
CN104627360A (zh) * 2013-11-07 2015-05-20 李宏富 H型结构的直升机
US9651024B2 (en) * 2014-04-14 2017-05-16 General Electric Company Rotor blade assembly having internal loading features
CN108763671B (zh) * 2018-05-15 2022-07-08 中车青岛四方机车车辆股份有限公司 一种计算车间减振器参数的方法及装置
CN113982821B (zh) * 2021-10-27 2023-07-04 大唐桦川风力发电有限公司 一种风力发电机的叶片减震装置
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method
US12351300B2 (en) * 2022-11-22 2025-07-08 Margaret E. Hodges Anti-resonance system for variable speed rotors
US12044135B1 (en) * 2023-11-06 2024-07-23 Pratt & Whitney Canada Corp. Stator vane with variable center of gravity

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB436981A (en) 1934-06-26 1935-10-22 Kay Gyroplanes Ltd Improvements relating to devices for damping the oscillation of the revolving wings or blades of aircraft
US2947365A (en) * 1956-02-23 1960-08-02 United Aircraft Corp Means for dynamically balancing rotor blades
US4008980A (en) * 1975-06-26 1977-02-22 United Technologies Corporation Composite helicopter spar and means to alleviate stress concentration
US4088042A (en) * 1976-09-07 1978-05-09 The Boeing Company Vibration isolation system
FR2497073B1 (fr) 1980-12-30 1985-07-12 Audureau Sa Dispositif pour la distribution de blocs de fourrage
US4430044A (en) * 1981-11-23 1984-02-07 Liljegren L Kenyon Vertical axis wind turbine
DE3514631C1 (de) * 1985-04-23 1986-05-07 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Einrichtung zur Auswuchtung eines Rotorblattes
FR2630703B1 (fr) 1988-04-29 1990-08-24 Aerospatiale Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore
DK172039B1 (da) * 1994-02-07 1997-09-22 Bonus Energy As Vindmøllevinge og fremgangsmåde til reduktion af svingninger i en sådan
ES2244202T3 (es) * 1998-07-28 2005-12-01 Neg Micon A/S Pala de turbina eolica con medios de amortiguamiento de oscilaciones en forma de u.
US6119834A (en) * 1999-06-03 2000-09-19 Lee; Richard J. Vibration damping device
US6827551B1 (en) * 2000-02-01 2004-12-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-tuning impact damper for rotating blades
US6497385B1 (en) * 2000-11-08 2002-12-24 Continuum Dynamics, Inc. Rotor blade with optimized twist distribution
DE10202995B4 (de) 2002-01-26 2004-01-29 Nordex Energy Gmbh Rotorblatt für eine Windkraftanlage mit einer Dämpfereinrichtung
DK1754886T3 (da) * 2005-08-17 2012-12-17 Gen Electric Rotorblad til en vindenergiturbine
US7047924B1 (en) * 2005-08-19 2006-05-23 Delphi Technologies, Inc. Method for diagnosing the operational state of a two-step variable valve lift device
DE102006030167A1 (de) * 2006-06-30 2008-01-03 Robert Bosch Gmbh Rotorblatt für eine Windkraftanlage
FR2910877B1 (fr) * 2006-12-28 2009-09-25 Eurocopter France Amelioration aux rotors de giravions equipes d'amortisseurs interpales
US8029240B2 (en) * 2007-11-08 2011-10-04 The Boeing Company Rotor blade adjustable weight retention system

Also Published As

Publication number Publication date
US8297928B2 (en) 2012-10-30
CN101612990A (zh) 2009-12-30
FR2933068A1 (fr) 2010-01-01
FR2933068B1 (fr) 2011-02-25
EP2138399A1 (de) 2009-12-30
DE602009000138D1 (de) 2010-10-07
KR20100002119A (ko) 2010-01-06
CN101612990B (zh) 2012-06-27
KR101121126B1 (ko) 2012-03-20
EP2138399B1 (de) 2010-08-25
US20090324406A1 (en) 2009-12-31

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