DE3879744D1 - Biegeplatte fuer den rotor eines hubschraubers. - Google Patents

Biegeplatte fuer den rotor eines hubschraubers.

Info

Publication number
DE3879744D1
DE3879744D1 DE8888106606T DE3879744T DE3879744D1 DE 3879744 D1 DE3879744 D1 DE 3879744D1 DE 8888106606 T DE8888106606 T DE 8888106606T DE 3879744 T DE3879744 T DE 3879744T DE 3879744 D1 DE3879744 D1 DE 3879744D1
Authority
DE
Germany
Prior art keywords
helicopter
rotor
bending plate
bending
plate
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
DE8888106606T
Other languages
English (en)
Other versions
DE3879744T2 (de
Inventor
Eric G Olsen
Thomas G Campbell
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE3879744D1 publication Critical patent/DE3879744D1/de
Publication of DE3879744T2 publication Critical patent/DE3879744T2/de
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
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B64C27/16—Drive of rotors by means, e.g. propellers, mounted on rotor blades
    • 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
DE88106606T 1987-04-27 1988-04-25 Biegeplatte für den Rotor eines Hubschraubers. Expired - Fee Related DE3879744T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/043,057 US4792280A (en) 1987-04-27 1987-04-27 Helicopter rotor flexbeam

Publications (2)

Publication Number Publication Date
DE3879744D1 true DE3879744D1 (de) 1993-05-06
DE3879744T2 DE3879744T2 (de) 1993-10-21

Family

ID=21925234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88106606T Expired - Fee Related DE3879744T2 (de) 1987-04-27 1988-04-25 Biegeplatte für den Rotor eines Hubschraubers.

Country Status (5)

Country Link
US (1) US4792280A (de)
EP (1) EP0288957B1 (de)
JP (1) JPS63284097A (de)
KR (1) KR950013360B1 (de)
DE (1) DE3879744T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5137228A (en) * 1990-05-07 1992-08-11 Vaughen Jack F Rotary wing with torsionally flexible blades
US5636969A (en) * 1995-03-28 1997-06-10 Sikorsky Aircraft Corporation Torque tube/spar assembly for variable diameter helicopter rotors
US5980206A (en) * 1996-05-31 1999-11-09 Sikorsky Aircraft Corporation Monolithic structure having improved flaw tolerance
US6024325A (en) * 1997-01-09 2000-02-15 Cartercopters, Llc Rotor for rotary wing aircraft
US6659722B2 (en) * 2001-05-07 2003-12-09 Bell Helicopter Textron, Inc. Composite rotor blade and method of manufacture
US7695249B2 (en) 2006-12-01 2010-04-13 Sikorsky Aircraft Corporation Bearingless rotor blade assembly for a high speed rotary-wing aircraft
US9169011B2 (en) 2011-09-13 2015-10-27 Sikorsky Aircraft Corporation Rotor with blades including outer blade shell and inner structural member
EP2653385B1 (de) 2012-04-18 2018-03-21 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Aerodynamische Flügelbefestigung für einen lagerlosen Rotor eines Helikopters
US20140010662A1 (en) * 2012-07-03 2014-01-09 United Technologies Corporation Composite airfoil with integral platform
WO2015138655A1 (en) * 2014-03-11 2015-09-17 Carter Aviation Technologies, Llc Mast dampener and collective pitch in a rotorcraft
US10618630B2 (en) 2014-08-08 2020-04-14 Sikorsky Aircraft Corporation Flex beam for rotor assembly
US10160540B2 (en) 2015-01-09 2018-12-25 Rohr, Inc. Rotor head for a vertical takeoff and landing aircraft

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757745A (en) * 1952-04-21 1956-08-07 Verhage Gerard Frans Variable pitch rotor blade construction
US3999886A (en) * 1974-10-10 1976-12-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hingeless helicopter rotor with improved stability
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4111605A (en) * 1976-12-16 1978-09-05 The Boeing Company Composite hingeless rotor hub for rotary wing aircraft
US4266912A (en) * 1978-10-06 1981-05-12 Stephan Roman Rotor blade support setup for rotary wing aircraft
US4403918A (en) * 1979-04-03 1983-09-13 Schramm Buford J Hubless, hingeless and bearingless helicopter rotor system
US4316700A (en) * 1979-04-03 1982-02-23 Schramm Burford J Unitary, bonded-together helicopter rotorblade
US4306837A (en) * 1979-04-24 1981-12-22 Textron, Inc. Bearingless tail rotor for helicopters
US4419051A (en) * 1982-02-16 1983-12-06 The Boeing Company Twin tension/torsion beam rotor system
US4466774A (en) * 1982-08-30 1984-08-21 United Technologies Corporation Composite flexbeam joint
DE3332417C2 (de) * 1983-09-08 1986-04-03 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Rotor, insbesondere für Drehflügelflugzeuge
US4648800A (en) * 1984-05-15 1987-03-10 United Technologies Corporation Composite flexbeam for a rotary wing aircraft
US4645423A (en) * 1985-07-29 1987-02-24 United Technologies Corporation Tension/compression rod arrangement for damping helicopter rotor blade oscillations

Also Published As

Publication number Publication date
DE3879744T2 (de) 1993-10-21
JPS63284097A (ja) 1988-11-21
KR880012440A (ko) 1988-11-26
US4792280A (en) 1988-12-20
EP0288957A2 (de) 1988-11-02
EP0288957B1 (de) 1993-03-31
EP0288957A3 (en) 1989-06-14
KR950013360B1 (ko) 1995-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee