DE1088755T1 - Propellerrotornabe - Google Patents

Propellerrotornabe

Info

Publication number
DE1088755T1
DE1088755T1 DE1088755T DE00203353T DE1088755T1 DE 1088755 T1 DE1088755 T1 DE 1088755T1 DE 1088755 T DE1088755 T DE 1088755T DE 00203353 T DE00203353 T DE 00203353T DE 1088755 T1 DE1088755 T1 DE 1088755T1
Authority
DE
Germany
Prior art keywords
yoke
hub
hub assembly
plates
arms
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.)
Pending
Application number
DE1088755T
Other languages
German (de)
English (en)
Other versions
DE20003353U1 (de
Inventor
Willem Broekhuizen
Ernest C. Schellhase
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.)
Bell Helicopter Textron Inc
Original Assignee
Bell Helicopter Textron Inc
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 Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of DE1088755T1 publication Critical patent/DE1088755T1/de
Pending 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
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • 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
    • Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
    • Y10S464/904—Homokinetic coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Tires In General (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Braking Arrangements (AREA)
DE1088755T 1999-10-01 2000-09-27 Propellerrotornabe Pending DE1088755T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/410,640 US6296444B1 (en) 1999-10-01 1999-10-01 Prop rotor hub

Publications (1)

Publication Number Publication Date
DE1088755T1 true DE1088755T1 (de) 2001-10-11

Family

ID=23625598

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1088755T Pending DE1088755T1 (de) 1999-10-01 2000-09-27 Propellerrotornabe
DE60002808T Expired - Lifetime DE60002808T2 (de) 1999-10-01 2000-09-27 Propellerrotornabe

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60002808T Expired - Lifetime DE60002808T2 (de) 1999-10-01 2000-09-27 Propellerrotornabe

Country Status (6)

Country Link
US (1) US6296444B1 (enExample)
EP (1) EP1088755B1 (enExample)
JP (1) JP2001130494A (enExample)
KR (1) KR20010050747A (enExample)
CA (1) CA2320629A1 (enExample)
DE (2) DE1088755T1 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010101A1 (it) 2001-02-02 2002-08-02 Agusta Spa Rotore con gruppo di trasmissione omocinetico per un aeromobile.
FR2837784B1 (fr) 2002-03-28 2004-05-28 Eurocopter France Rotor de giravion a entrainement homocinetique avec differentiel de partage de couple
US6902508B2 (en) * 2003-06-18 2005-06-07 Clayton International, Inc. Helicopter mainshaft assembly and drive assembly including the same
US6981844B2 (en) * 2003-10-08 2006-01-03 Hamilton Sundstrand Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith
AU2005332627A1 (en) * 2005-06-07 2006-12-14 Bell Helicopter Textron Inc. Improved constant-velocity joint for tiltrotor hubs
CN101107163A (zh) * 2005-11-30 2008-01-16 贝尔直升机泰克斯特龙公司 旋翼机传扭器
EA014651B1 (ru) * 2006-01-13 2010-12-30 Белл Хеликоптер Текстрон Инк. Жесткая в плоскости, установленная в карданном подвесе втулка несущего винта с изменяемым наклоном
CN101484358B (zh) * 2006-05-12 2011-08-10 贝尔直升机泰克斯特龙公司 带有开槽臂根部的轭架
CN101495370B (zh) * 2006-05-19 2012-05-09 贝尔直升机泰克斯特龙公司 用于万向节式转子枢轴的恒速驱动系统
WO2008091376A2 (en) * 2006-07-25 2008-07-31 Lord Corporation Tiltrotor aircraft drivelink
US8801378B2 (en) 2010-02-24 2014-08-12 Sikorsky Aircraft Corporation Low offset hingeless rotor with pitch change bearings
CN101973399B (zh) * 2010-09-30 2012-11-28 南京航空航天大学 倾转旋翼飞行器用等速万向铰桨毂
WO2013066475A2 (en) 2011-08-19 2013-05-10 Aerovironment, Inc. System for protecting a rotatable shaft of a motor from excessive bending moments
US9327832B2 (en) 2011-10-03 2016-05-03 Bell Helicopter Textron Inc. Elastomeric bearing with tapered shims
US9193454B2 (en) * 2012-10-24 2015-11-24 Bell Helicopter Textron Inc. System and method for providing for collective control in an aircraft
US9074638B2 (en) 2013-03-14 2015-07-07 Bell Helicopter Textron Inc. Multilink constant velocity joint
US9994311B2 (en) 2013-04-29 2018-06-12 Bell Helicopter Textron Inc. Constant-velocity joint link with reduced axial stiffness
US9334048B2 (en) * 2013-09-18 2016-05-10 Bell Helicopter Textron Inc. Elastomeric bearing having tapered layers
US9657816B2 (en) * 2013-11-01 2017-05-23 Bell Helicopter Textron Inc. Drive link for tiltrotor rotor system
US10618643B2 (en) 2013-12-04 2020-04-14 Sikorsky Aircraft Corporation Rotor shaft closeout plate
US9701403B2 (en) * 2014-02-18 2017-07-11 Bell Helicopter Textron Inc. Broad goods composite yoke for rotor system
US9555881B2 (en) 2014-04-02 2017-01-31 The Boeing Company Propeller/rotor control apparatus and method
WO2016057255A1 (en) * 2014-09-29 2016-04-14 Sikorsky Aircraft Corporation Integrated main rotor hub and shaft
US10232932B2 (en) * 2017-03-22 2019-03-19 Bell Helicopter Textron Inc. High stiffness hub assembly for proprotor systems
US10514060B2 (en) 2017-07-13 2019-12-24 Textron Innovations Inc. Inboard bearing assemblies with anti-rotation features
US10507912B2 (en) 2017-07-13 2019-12-17 Bell Textron Inc. Inboard bearing assemblies with improved accessibility
US10472059B2 (en) 2017-07-13 2019-11-12 Bell Textron Inc. Inboard bearing assemblies for proprotor systems
US10486807B2 (en) 2017-07-13 2019-11-26 Bell Textron Inc. Inboard bearing assemblies having independent shoes
US10479497B2 (en) 2017-07-13 2019-11-19 Bell Textron Inc. Inboard bearing assemblies having load transfer shoe bolts
US10494091B2 (en) 2017-07-13 2019-12-03 Bell Textron Inc. Hub bolt supported inboard bearing assemblies
US11027834B2 (en) 2018-02-22 2021-06-08 Textron Innovations Inc. Inboard centrifugal force bearing attachment
EP3755623A1 (en) * 2018-05-08 2020-12-30 AVX Aircraft Company Rotor hub
EP3929077B1 (en) 2020-06-25 2022-08-03 LEONARDO S.p.A. Rotor for an aircraft capable of hovering
WO2024241270A1 (en) 2023-05-23 2024-11-28 Leonardo S.P.A. Transmission joint for a rotor comprising a plurality of blades
EP4470915A1 (en) 2023-05-23 2024-12-04 Leonardo S.p.a. Transmission joint for a rotor comprising a plurality of blades

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804552A (en) * 1972-07-05 1974-04-16 Textron Inc Four blade main rotor control power coupling
US4012169A (en) * 1973-05-10 1977-03-15 Societe Nationale Industrielle Aerospatiale Rotor for rotating wing type aircraft
GB1432117A (en) * 1973-05-10 1976-04-14 Aerospatiale Rotor for rotating wing type aircraft
GB1458874A (en) 1974-09-06 1976-12-15 Westland Aircraft Ltd Semi-rigid rotors for 'otary wing aircraft
US4037988A (en) 1974-11-25 1977-07-26 The Boeing Company Flexure having pitch flap coupling
IT1053964B (it) * 1975-02-26 1981-10-10 Daimler Benz Ag Dispositivo per smorzare le oscillazioni nelle trasmissione di autoveicoli
GB1535391A (en) 1976-05-11 1978-12-13 Westland Aircraft Ltd Helicopter rotors
GB2006144B (en) 1977-09-07 1982-01-13 Westland Aircraft Ltd Helicopter
US4232563A (en) * 1978-03-16 1980-11-11 Barry Wright Corporation Laminated elastomeric end bearings for articulating links
US4293276A (en) 1978-10-27 1981-10-06 Textron Inc. Laminated composite rotor yoke
US4247255A (en) * 1979-03-15 1981-01-27 The Boeing Company Composite rotor blade root end
US4430045A (en) 1979-04-24 1984-02-07 Bell Helicopter Textron, Inc. Helicopter power train for distributing rotor blade flapping displacements through a plurality of drive train components
FR2457417A1 (fr) * 1979-05-25 1980-12-19 Hutchinson Mapa Perfectionnements apportes aux ensembles du genre des butees elastiques
DE3134310C2 (de) * 1981-08-29 1983-06-30 Daimler-Benz Ag, 7000 Stuttgart "Einrichtung zur Dämpfung von Schwingungen im Antriebsstrang eines Kraftfahrzeuges"
US4564336A (en) 1982-03-15 1986-01-14 Hughes Helicopters, Inc. Low drag, bearingless rotor head for helicopters
US4541777A (en) 1982-03-15 1985-09-17 Hughes Helicopters, Inc. Low drag, bearingless rotor head for helicopters
US4427340A (en) * 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor
US4650401A (en) 1983-04-07 1987-03-17 Mcdonnell Douglas Helicopter Company Flat strap cruciform flexure for helicopter rotor systems
DE3464036D1 (en) 1983-08-22 1987-07-09 Westland Plc Helicopter rotors
GB2160619B (en) * 1984-06-20 1987-10-14 United Technologies Corp Elastomeric high torque constant velocity joint
EP0221678B1 (en) 1985-10-15 1990-03-07 Westland Group plc Helicopter rotor
US4729753A (en) 1985-11-04 1988-03-08 Bell Helicopter Textron Inc. Constant velocity elastomeric bearing joint
US4804352A (en) 1987-01-30 1989-02-14 Lord Corporation Link-type rotary coupling
US5059094A (en) * 1989-10-13 1991-10-22 Bell Helicopter Textron, Inc. Rotor redundant force retention system for vtol and vstol aircraft
US5186686A (en) 1990-05-11 1993-02-16 Lord Corporation Link and bearing for rotary coupling
CA2042532C (en) 1990-05-30 2002-03-12 Francis E. Byrnes Spar-to-hub joint for a flexbeam helicopter rotor
US5263821A (en) 1991-01-15 1993-11-23 United Technologies Corporation Mid-beam jointed reconfigurable bearingless main rotor assembly
FR2678579B1 (fr) 1991-07-03 1997-03-21 Aerospatiale Tete de rotor de giravion, rigide en trainee et articulee en pas et battement.
US5297934A (en) 1991-08-02 1994-03-29 The Boeing Company Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft
JP2655985B2 (ja) * 1993-03-17 1997-09-24 防衛庁技術研究本部長 回転翼航空機の無関節ハブ構造
US5358381A (en) 1993-03-19 1994-10-25 Bell Helicopter Textron Inc. Yoke for helicopter rotor systems
US5620305A (en) * 1995-03-20 1997-04-15 The Boeing Company Hub for rotary wing aircraft

Also Published As

Publication number Publication date
DE60002808D1 (de) 2003-06-26
KR20010050747A (ko) 2001-06-15
EP1088755A2 (en) 2001-04-04
CA2320629A1 (en) 2001-04-01
DE60002808T2 (de) 2004-03-11
EP1088755A3 (en) 2001-12-19
JP2001130494A (ja) 2001-05-15
US6296444B1 (en) 2001-10-02
EP1088755B1 (en) 2003-05-21

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