FR2779118B1 - Pale de rotor sans palier d'un helicoptere - Google Patents

Pale de rotor sans palier d'un helicoptere

Info

Publication number
FR2779118B1
FR2779118B1 FR9906702A FR9906702A FR2779118B1 FR 2779118 B1 FR2779118 B1 FR 2779118B1 FR 9906702 A FR9906702 A FR 9906702A FR 9906702 A FR9906702 A FR 9906702A FR 2779118 B1 FR2779118 B1 FR 2779118B1
Authority
FR
France
Prior art keywords
helicopter
rotor blade
bearing rotor
bearing
blade
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.)
Expired - Fee Related
Application number
FR9906702A
Other languages
English (en)
Other versions
FR2779118A1 (fr
Inventor
Karl Bauer
Fechner Gerald Kuntze
Gerhard Hausmann
Bernhard Enenkl
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.)
Airbus Helicopters Deutschland GmbH
Original Assignee
Eurocopter Deutschland GmbH
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
Priority claimed from DE19915085A external-priority patent/DE19915085C2/de
Application filed by Eurocopter Deutschland GmbH filed Critical Eurocopter Deutschland GmbH
Publication of FR2779118A1 publication Critical patent/FR2779118A1/fr
Application granted granted Critical
Publication of FR2779118B1 publication Critical patent/FR2779118B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/33—Rotors having flexing arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Catching Or Destruction (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)
FR9906702A 1998-05-28 1999-05-27 Pale de rotor sans palier d'un helicoptere Expired - Fee Related FR2779118B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823794 1998-05-28
DE19915085A DE19915085C2 (de) 1998-05-28 1999-04-01 Rotorblatt für einen lagerlosen Rotor eines Hubschraubers

Publications (2)

Publication Number Publication Date
FR2779118A1 FR2779118A1 (fr) 1999-12-03
FR2779118B1 true FR2779118B1 (fr) 2000-10-06

Family

ID=26046461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9906702A Expired - Fee Related FR2779118B1 (fr) 1998-05-28 1999-05-27 Pale de rotor sans palier d'un helicoptere

Country Status (4)

Country Link
US (1) US6196800B1 (fr)
FR (1) FR2779118B1 (fr)
GB (1) GB2341836B (fr)
IT (1) ITMI991124A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6695583B2 (en) 2002-05-30 2004-02-24 Sikorsky Aircraft Corporation Snubber-vibration damper system for a bearingless main rotor
DE102007013291B4 (de) * 2007-03-16 2010-04-15 Eurocopter Deutschland Gmbh Rotorblatt für einen lagerlosen Rotor eines Drehflügelflugzeugs
EP2653383B1 (fr) * 2012-04-18 2016-04-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Pale d'un rotor sans palier d'un hélicoptère
EP2653384B1 (fr) * 2012-04-18 2019-10-02 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Fixation de pale pour un rotor sans palier d'un hélicoptère
EP2653385B1 (fr) * 2012-04-18 2018-03-21 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Fixation de pale aérodynamique pour un rotor sans palier d'un hélicoptère
EP2722276B1 (fr) * 2012-10-18 2015-03-18 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Fixation de pale séparable pour rotor sans palier d'hélicoptère
US9051047B2 (en) * 2012-11-12 2015-06-09 Sikorsky Aircraft Corporation Flexbeam rotor attachment to rotor blade
US10336445B2 (en) 2013-03-12 2019-07-02 Bell Helicopter Textron Inc. High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes
US9505489B2 (en) 2013-03-13 2016-11-29 Bell Helicopter Textron Inc. Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping
US9505490B2 (en) * 2013-03-13 2016-11-29 Bell Helicopter Textron Inc. Composite rotor system using two race track style cantilevered yokes
US10611471B2 (en) * 2014-05-02 2020-04-07 Sikorsky Aircraft Corporation Light weight rigid rotor with blade fold capability
US10442531B2 (en) * 2015-08-18 2019-10-15 Sikorsky Aircraft Corporation Rotor damping
US10472057B2 (en) 2016-02-16 2019-11-12 Bell Helicopter Textron Inc. Rotor assembly with high lock-number blades
US10457388B2 (en) 2016-02-16 2019-10-29 Bell Helicopter Textron, Inc. Rotor assembly with high lock-number blades
FR3057541B1 (fr) 2016-10-14 2019-03-29 Airbus Helicopters Amortisseur de trainee integre a l'interieur d'une pale d'un rotor
US10793254B2 (en) * 2016-12-12 2020-10-06 Textron Innovations Inc. Soft-in-plane proprotor systems
US11001374B2 (en) * 2017-09-14 2021-05-11 The Boeing Company System and method for vertical take-off in an autogyro
EP3736211B1 (fr) 2019-05-07 2022-08-31 The Boeing Company Système et procédé permettant d'améliorer la commande d'altitude d'un autogyre
CN112224445A (zh) * 2020-10-16 2021-01-15 中国直升机设计研究所 一种可透视检查柔性梁的袖套
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558709C3 (de) * 1975-12-24 1982-02-11 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Elastomere Dämpfungseinrichtung
US4244677A (en) 1978-07-12 1981-01-13 United Technologies Corporation Cross-beam helicopter rotor with readily replaceable snubber
US4427340A (en) 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor
US4601639A (en) 1984-03-19 1986-07-22 Bell Helicopter Textron Inc. Nodalized rotor
US4676720A (en) * 1984-07-10 1987-06-30 Kawasaki Jukogyo Kabushiki Kaisha Bearingless hub structure for rotary-wing aircrafts
DE3526470C1 (de) 1985-07-24 1987-01-02 Messerschmitt Boelkow Blohm Rotor,insbesondere eines Drehfluegelflugzeugs
US4898515A (en) 1986-07-23 1990-02-06 United Technologies Corporation External wrap of composite flexbeam
US4746272A (en) 1986-07-23 1988-05-24 United Technologies Corporation Lobed composite flexbeam
DE3707333A1 (de) 1987-03-07 1988-09-15 Messerschmitt Boelkow Blohm Rotor, insbesondere eines drehfluegelflugzeugs
DE3734592A1 (de) 1987-10-13 1989-05-03 Messerschmitt Boelkow Blohm Daempfungseinrichtung eines rotorblattes
JP2667176B2 (ja) * 1987-11-10 1997-10-27 富士重工業株式会社 ヘリコプタのピッチ変更及びリードラグ減衰装置
JP2583259B2 (ja) 1988-01-08 1997-02-19 富士重工業株式会社 ヘリコプタ用フレックスビーム
US4874292A (en) * 1988-11-18 1989-10-17 The United States Of America As Represented By The Secretary Of The Army Apparatus for damping helicopter rotor blade oscillations
US5096380A (en) 1990-05-03 1992-03-17 United Technology Corporation Composite flexbeam for a bearingless helicopter rotor
US5372479A (en) 1993-06-02 1994-12-13 United Technologies Corporation Flexbeam for a helicopter bearingless main rotor assembly
US5820344A (en) 1997-06-27 1998-10-13 Mcdonnell Douglas Corporation Contoured flexure strap for helicopter rotor system

Also Published As

Publication number Publication date
FR2779118A1 (fr) 1999-12-03
US6196800B1 (en) 2001-03-06
GB9912634D0 (en) 1999-07-28
GB2341836B (en) 2002-11-27
ITMI991124A1 (it) 2000-11-21
GB2341836A (en) 2000-03-29

Similar Documents

Publication Publication Date Title
FR2779118B1 (fr) Pale de rotor sans palier d'un helicoptere
DE69407518D1 (de) Rotorschaufel
DE69734845D1 (de) Zusammenbau von chirurgischen Klingen
NO995519L (no) Barberbladsammenstilling
DE69838081D1 (de) Turbinenschaufel
DE69822100D1 (de) Turbinenschaufel
DE59811402D1 (de) Verdichterschaufel
DE69832116D1 (de) Gekühlte Turbinenschaufel
DE59809867D1 (de) Radialverdichter
EE9800324A (et) Pumbarootor
DE59809488D1 (de) Radialverdichter
IT1303441B1 (it) Rotore principale monopala per elicotteri
DK0974399T3 (da) Rotordyse
DE69409498D1 (de) Integrale Schaufel-Rotoreinheit
DE69018250D1 (de) Rotorblatt.
FR2779117B1 (fr) Pale pour un rotor sans palier d'un helicoptere
EE9800325A (et) Pumbarootor
DE59711982D1 (de) Rotorblattanschluss
DE69734030D1 (de) Saugrotor
DE69834498D1 (de) Rührblatt
FR2793766B1 (fr) Pale pour voilure tournante d'aeronef
FR2775951B1 (fr) Pale de rotor, notamment pour le rotor arriere anticouple d'un helicoptere
FR2735094B1 (fr) Rotor d'helicoptere
DK0948718T3 (da) Rotorvinge
ATA183394A (de) Rotorlager

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130131