ATE478000T1 - Mit einem resonator versehenes blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur implementierung dieses blatts - Google Patents

Mit einem resonator versehenes blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur implementierung dieses blatts

Info

Publication number
ATE478000T1
ATE478000T1 AT09007441T AT09007441T ATE478000T1 AT E478000 T1 ATE478000 T1 AT E478000T1 AT 09007441 T AT09007441 T AT 09007441T AT 09007441 T AT09007441 T AT 09007441T AT E478000 T1 ATE478000 T1 AT E478000T1
Authority
AT
Austria
Prior art keywords
blade
tank
resonator
central tube
movements
Prior art date
Application number
AT09007441T
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 ATE478000T1 publication Critical patent/ATE478000T1/de

Links

Classifications

    • 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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid-Damping Devices (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Soil Working Implements (AREA)
  • Hydraulic Turbines (AREA)
AT09007441T 2008-06-27 2009-06-05 Mit einem resonator versehenes blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur implementierung dieses blatts ATE478000T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0803619A FR2933069B1 (fr) 2008-06-27 2008-06-27 Pale munie d'un resonateur pour reduire les mouvements en trainee de ladite pale et procede mis en oeuvre par ladite pale.

Publications (1)

Publication Number Publication Date
ATE478000T1 true ATE478000T1 (de) 2010-09-15

Family

ID=40405054

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09007441T ATE478000T1 (de) 2008-06-27 2009-06-05 Mit einem resonator versehenes blatt zur reduzierung der bewegungen im strömungswiderstand dieses blatts und verfahren zur implementierung dieses blatts

Country Status (6)

Country Link
US (1) US8226364B2 (de)
EP (1) EP2138400B1 (de)
CN (1) CN101612992B (de)
AT (1) ATE478000T1 (de)
DE (1) DE602009000125D1 (de)
FR (1) FR2933069B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012065595A1 (de) * 2010-11-16 2012-05-24 Mtu Aero Engines Gmbh Laufschaufelanordnung für eine turbomaschine
KR101752647B1 (ko) * 2011-04-07 2017-06-30 로오드 코포레이션 항공기 회전익 모션 제어 및 계장화 모션 제어 유체 장치
US20130195636A1 (en) * 2012-01-31 2013-08-01 Thomas Bertram Poole Wind turbine
US20150093245A1 (en) * 2012-04-05 2015-04-02 Lord Corporation Motion controlled helicopter and rotation rate switched fluid lead lag damper
CN104890867A (zh) * 2015-04-27 2015-09-09 中国直升机设计研究所 一种扩展直升机空中共振安全边界的设计方法
CN114084375B (zh) * 2021-11-19 2023-04-28 中国直升机设计研究所 一种旋翼系统装试验台耦合固有频率计算方法
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method
US12344370B1 (en) * 2024-02-28 2025-07-01 The Boeing Company Tunable blade assembly, a blade assembly, and a method of controlling vibration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1833751A (en) * 1929-07-05 1931-11-24 Gen Electric Vibration damping device
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
FR2497073B1 (fr) 1980-12-30 1985-07-12 Audureau Sa Dispositif pour la distribution de blocs de fourrage
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.
DE10202995B4 (de) 2002-01-26 2004-01-29 Nordex Energy Gmbh Rotorblatt für eine Windkraftanlage mit einer Dämpfereinrichtung

Also Published As

Publication number Publication date
DE602009000125D1 (de) 2010-09-30
FR2933069A1 (fr) 2010-01-01
EP2138400B1 (de) 2010-08-18
US8226364B2 (en) 2012-07-24
CN101612992A (zh) 2009-12-30
FR2933069B1 (fr) 2011-02-25
CN101612992B (zh) 2012-07-04
EP2138400A1 (de) 2009-12-30
US20090324407A1 (en) 2009-12-31

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Legal Events

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