FR1473921A - Device for absorbing vibrations, in particular for aircraft with rotary wings and aircraft equipped with such a device - Google Patents

Device for absorbing vibrations, in particular for aircraft with rotary wings and aircraft equipped with such a device

Info

Publication number
FR1473921A
FR1473921A FR40316A FR40316A FR1473921A FR 1473921 A FR1473921 A FR 1473921A FR 40316 A FR40316 A FR 40316A FR 40316 A FR40316 A FR 40316A FR 1473921 A FR1473921 A FR 1473921A
Authority
FR
France
Prior art keywords
aircraft
rotary wings
absorbing vibrations
aircraft equipped
vibrations
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
FR40316A
Other languages
French (fr)
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.)
Boeing Co
Original Assignee
Boeing Co
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 US422830A external-priority patent/US3219120A/en
Priority claimed from US422741A external-priority patent/US3298443A/en
Application filed by Boeing Co filed Critical Boeing Co
Application granted granted Critical
Publication of FR1473921A publication Critical patent/FR1473921A/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
    • B64C27/001—Vibration damping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/22—Compensation of inertia forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/003—Vibration damping devices mounted on rotor hub, e.g. a rotary force generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
FR40316A 1964-12-31 1965-11-30 Device for absorbing vibrations, in particular for aircraft with rotary wings and aircraft equipped with such a device Expired FR1473921A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US422830A US3219120A (en) 1964-12-31 1964-12-31 Vibration absorbing system
US422741A US3298443A (en) 1964-12-31 1964-12-31 Vibration absorbing system

Publications (1)

Publication Number Publication Date
FR1473921A true FR1473921A (en) 1967-03-24

Family

ID=27025732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40316A Expired FR1473921A (en) 1964-12-31 1965-11-30 Device for absorbing vibrations, in particular for aircraft with rotary wings and aircraft equipped with such a device

Country Status (3)

Country Link
DE (1) DE1456013A1 (en)
FR (1) FR1473921A (en)
GB (1) GB1120193A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2768995B1 (en) * 1997-10-01 1999-12-03 Eurocopter France PENDULUM ROTOR HEAD RESONATOR
US8435002B2 (en) 2004-08-30 2013-05-07 Lord Corporation Helicopter vibration control system and rotating assembly rotary forces generators for canceling vibrations
CN101022994B (en) 2004-08-30 2012-07-04 洛德公司 Helicopter vibration control system and rotary force generator for canceling vibrations
US8162606B2 (en) 2004-08-30 2012-04-24 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US7722322B2 (en) 2004-08-30 2010-05-25 Lord Corporation Computer system and program product for controlling vibrations
US8267652B2 (en) 2004-08-30 2012-09-18 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US8474745B2 (en) 2007-04-24 2013-07-02 Textron Innovations Inc. Rotor hub vibration attenuator
US10526076B2 (en) 2007-04-24 2020-01-07 Textron Innovations Inc. Rotor hub vibration attenuator
US9452828B2 (en) 2007-04-24 2016-09-27 Textron Innovations Inc. Rotor hub vibration attenuator
DE07861293T1 (en) * 2007-04-24 2011-01-27 Bell Helicopter Textron, Inc., Fort Worth ROTOR HUB VIBRATION
KR101486721B1 (en) 2007-10-25 2015-01-28 로드코포레이션 Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations
WO2009126626A2 (en) * 2008-04-07 2009-10-15 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
EP2670661B1 (en) 2011-02-04 2015-01-14 Lord Corporation Rotary wing aircraft vibration control system with resonant inertial actuators
US10065730B2 (en) 2014-01-22 2018-09-04 Bell Helicopter Textron Inc. Active vibration control system with non-concentric revolving masses
US10906636B2 (en) 2014-10-21 2021-02-02 Sikorsky Aircraft Corporation Vibration control assembly for an aircraft and method of controlling aircraft vibration
EP3421359B1 (en) 2017-06-30 2019-08-21 LEONARDO S.p.A. Rotor for a hover-capable aircraft
EP3766778B1 (en) 2019-07-19 2021-11-24 LEONARDO S.p.A. Rotor for a hover-capable aircraft
EP3766779B1 (en) 2019-07-19 2023-11-01 LEONARDO S.p.A. Rotor for a hover-capable aircraft
CN112407252A (en) * 2020-10-30 2021-02-26 中国直升机设计研究所 Helicopter embedded type accurate balance weight system and weight method
CN114524096B (en) * 2022-03-10 2023-07-18 广州一诺智能信息工程有限公司 Water conservancy is with automatic obstacle avoidance survey and drawing unmanned aerial vehicle

Also Published As

Publication number Publication date
DE1456013A1 (en) 1969-05-29
GB1120193A (en) 1968-07-17

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