IT7819916A0 - Dispositivo di montaggio per pale di rotore in elicotteri. - Google Patents

Dispositivo di montaggio per pale di rotore in elicotteri.

Info

Publication number
IT7819916A0
IT7819916A0 IT7819916A IT1991678A IT7819916A0 IT 7819916 A0 IT7819916 A0 IT 7819916A0 IT 7819916 A IT7819916 A IT 7819916A IT 1991678 A IT1991678 A IT 1991678A IT 7819916 A0 IT7819916 A0 IT 7819916A0
Authority
IT
Italy
Prior art keywords
helicopters
mounting device
rotor blades
blades
rotor
Prior art date
Application number
IT7819916A
Other languages
English (en)
Original Assignee
Lord 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 Lord Corp filed Critical Lord Corp
Publication of IT7819916A0 publication Critical patent/IT7819916A0/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Support Of The Bearing (AREA)
  • Rotary Pumps (AREA)
IT7819916A 1977-02-03 1978-02-02 Dispositivo di montaggio per pale di rotore in elicotteri. IT7819916A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/765,151 US4135856A (en) 1977-02-03 1977-02-03 Rotor blade retention system

Publications (1)

Publication Number Publication Date
IT7819916A0 true IT7819916A0 (it) 1978-02-02

Family

ID=25072785

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7819916A IT7819916A0 (it) 1977-02-03 1978-02-02 Dispositivo di montaggio per pale di rotore in elicotteri.

Country Status (5)

Country Link
US (1) US4135856A (it)
JP (1) JPS53102600A (it)
DE (1) DE2804477A1 (it)
FR (1) FR2379431A1 (it)
IT (1) IT7819916A0 (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257739A (en) * 1978-09-11 1981-03-24 Textron, Inc. Soft inplane helicopter rotor
IT1117626B (it) * 1979-02-02 1986-02-17 Aereonautiche Giovanni Augusta Rotore articolato per elicotteri
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
FR2458457A1 (fr) * 1979-06-05 1981-01-02 Aerospatiale Rotor de giravion a moyeu articule compact
US4341499A (en) * 1980-03-24 1982-07-27 Barry Wright Corporation Blade retention system
IT1155132B (it) * 1982-03-11 1987-01-21 Agusta Aeronaut Costr Rotore per elicotteri
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
FR2584997B1 (fr) * 1985-07-22 1987-11-13 Aerospatiale Dispositif de butees de battement pour rotor de giravion
IT1196800B (it) * 1986-11-25 1988-11-25 Agusta Aeronaut Costr Rotore anticoppia per elicotteri
GB8922338D0 (en) * 1989-10-04 1989-11-22 Westland Helicopters Helicopter rotors
KR950704630A (ko) * 1992-12-23 1995-11-20 스테펜 슈니버거 관형 엘라스토머 댐퍼(tubular elastomer damper)
US5913659A (en) * 1993-11-22 1999-06-22 United Technologies Corporation Apparatus and method for adjusting rotor blade tracking
US6862567B1 (en) * 2000-08-30 2005-03-01 Mindspeed Technologies, Inc. Noise suppression in the frequency domain by adjusting gain according to voicing parameters
US6921249B1 (en) * 2003-06-05 2005-07-26 The United States Of America As Represented By The Secretary Of The Navy Main rotor shear restraint
CN102182787A (zh) * 2003-08-27 2011-09-14 贝尔直升机泰克斯特龙公司 双弹簧刚度阻尼器
CH704541A2 (de) 2011-02-28 2012-08-31 Marenco Swisshelicopter AG Engineering & Consulting Rotorblattkopplungsvorrichtung.
KR101752647B1 (ko) 2011-04-07 2017-06-30 로오드 코포레이션 항공기 회전익 모션 제어 및 계장화 모션 제어 유체 장치
US9085357B2 (en) * 2011-11-15 2015-07-21 Textron Innovations Inc. Rotor hub bearing system
US9879722B2 (en) * 2013-03-11 2018-01-30 Bell Helicopter Textron Inc. Low shear modulus transition shim for elastomeric bearing bonding in torsional applications
US9657582B2 (en) * 2013-03-13 2017-05-23 Bell Helicopter Textron Inc. Gimbaled tail rotor hub with spherical elastomeric centrifugal force bearing for blade retention and pitch change articulation
EP2913268B1 (en) * 2014-02-26 2018-08-01 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Bearing arrangement with a first bearing layer and a second bearing layer
US9764831B2 (en) * 2014-03-10 2017-09-19 Bell Helicopter Textron Inc. Articulated main rotor hub with inwardly CF bearing and 3% flapping hinge offset
US9796469B2 (en) * 2014-04-04 2017-10-24 The Boeing Company Modular rotor craft rotor hub system
US10988244B2 (en) 2017-05-05 2021-04-27 Laflamme Aero Inc. Helicopter rotor hub assembly and helicopter including same
WO2023044342A1 (en) * 2021-09-16 2023-03-23 Genesis Air Mobility Llc Rotor hub systems and methods
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026942A (en) * 1959-07-07 1962-03-27 Bell Helicopter Corp Helicopter rotor system
US3504989A (en) * 1967-12-28 1970-04-07 Boeing Co Rotor system
US3556673A (en) * 1968-10-11 1971-01-19 Bolkow Gmbh Rotor mounting
US3652185A (en) * 1970-03-13 1972-03-28 Textron Inc Elastomeric rotor blade mount
US3700352A (en) * 1971-03-05 1972-10-24 Lord Corp Rotor system
US3807896A (en) * 1972-10-10 1974-04-30 Textron Inc Concentric tube spring rotor mount
US3790302A (en) * 1972-10-10 1974-02-05 Textron Inc Tail rotor mounting for coning relief
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
US3942910A (en) * 1974-05-13 1976-03-09 Textron, Inc. Grip-yoke assembly with a redundant centrifugal load support

Also Published As

Publication number Publication date
JPS53102600A (en) 1978-09-06
DE2804477A1 (de) 1978-08-10
FR2379431A1 (fr) 1978-09-01
US4135856A (en) 1979-01-23

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