GB1371774A - Rotor system having viscoelastic lead-lag damper - Google Patents

Rotor system having viscoelastic lead-lag damper

Info

Publication number
GB1371774A
GB1371774A GB3344871A GB3344871A GB1371774A GB 1371774 A GB1371774 A GB 1371774A GB 3344871 A GB3344871 A GB 3344871A GB 3344871 A GB3344871 A GB 3344871A GB 1371774 A GB1371774 A GB 1371774A
Authority
GB
United Kingdom
Prior art keywords
plates
blade
elastomeric material
lead
bonded
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
Application number
GB3344871A
Other languages
English (en)
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.)
Lord Corp
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 GB1371774A publication Critical patent/GB1371774A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
GB3344871A 1970-10-26 1971-08-16 Rotor system having viscoelastic lead-lag damper Expired GB1371774A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8400370A 1970-10-26 1970-10-26
US14295371A 1971-05-13 1971-05-13

Publications (1)

Publication Number Publication Date
GB1371774A true GB1371774A (en) 1974-10-23

Family

ID=26770155

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3344871A Expired GB1371774A (en) 1970-10-26 1971-08-16 Rotor system having viscoelastic lead-lag damper
GB3776173A Expired GB1371775A (en) 1970-10-26 1971-08-16 Viscoelastic damper

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3776173A Expired GB1371775A (en) 1970-10-26 1971-08-16 Viscoelastic damper

Country Status (5)

Country Link
CA (1) CA934732A (https=)
DE (1) DE2139337A1 (https=)
FR (1) FR2111845B1 (https=)
GB (2) GB1371774A (https=)
IT (1) IT939400B (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3148903A1 (de) * 1981-12-10 1983-06-30 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotorblatt mit einer elastomeren daempfungseinrichtung
WO2014003940A1 (en) * 2012-06-27 2014-01-03 The Boeing Company Damping mechanical linkage
US9309943B2 (en) 2003-09-08 2016-04-12 Trelleborg Automotive Germany Gmbh Pendulum mount

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127061A5 (https=) * 1971-02-22 1972-10-13 Arfina
GB2025338B (en) * 1978-06-02 1982-08-04 Aerospatiale Helicopterrotor
FR2528382A1 (fr) * 1982-06-11 1983-12-16 Vibrachoc Sa Amortisseur de vibrations et notamment adaptateur de frequence pour pale d'helicoptere
FR2703414B1 (fr) * 1993-03-29 1995-06-23 Hutchinson Biellette de reprise de couple.
FR2818717B1 (fr) 2000-12-26 2003-03-07 Eurocopter France Dispositif de liaison elastique amortie et son procede de fabrication
FR2890937B1 (fr) 2005-09-21 2009-04-24 Eurocopter France Rotor de giravion a pales articulees en battement et en trainee
EP3154854B1 (en) 2014-06-11 2018-11-28 LORD Corporation Lead-lag dampers and assemblies for an articulated rotor and methods for operation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3148903A1 (de) * 1981-12-10 1983-06-30 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotorblatt mit einer elastomeren daempfungseinrichtung
US9309943B2 (en) 2003-09-08 2016-04-12 Trelleborg Automotive Germany Gmbh Pendulum mount
WO2014003940A1 (en) * 2012-06-27 2014-01-03 The Boeing Company Damping mechanical linkage
US8827586B2 (en) 2012-06-27 2014-09-09 The Boeing Company Damping mechanical linkage
US9353819B2 (en) 2012-06-27 2016-05-31 The Boeing Company Damping mechanical linkage

Also Published As

Publication number Publication date
FR2111845A1 (https=) 1972-06-09
GB1371775A (en) 1974-10-23
DE2139337A1 (de) 1972-10-05
IT939400B (it) 1973-02-10
FR2111845B1 (https=) 1976-02-13
CA934732A (en) 1973-10-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee