DE2858292C2 - - Google Patents

Info

Publication number
DE2858292C2
DE2858292C2 DE2858292A DE2858292A DE2858292C2 DE 2858292 C2 DE2858292 C2 DE 2858292C2 DE 2858292 A DE2858292 A DE 2858292A DE 2858292 A DE2858292 A DE 2858292A DE 2858292 C2 DE2858292 C2 DE 2858292C2
Authority
DE
Germany
Prior art keywords
spring
pivot
vibration
mass
lever
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
DE2858292A
Other languages
German (de)
English (en)
Inventor
Rene Augustin Media Pa. Us Desjardins
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
Application filed by Boeing Co filed Critical Boeing Co
Application granted granted Critical
Publication of DE2858292C2 publication Critical patent/DE2858292C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/005—Vibration damping devices using suspended masses
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2121—Flywheel, motion smoothing-type
    • Y10T74/213—Damping by increasing frictional force

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
DE2858292A 1977-09-13 1978-09-12 Expired - Fee Related DE2858292C2 (US06534493-20030318-C00184.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/832,966 US4140028A (en) 1977-09-13 1977-09-13 Vibration isolation system

Publications (1)

Publication Number Publication Date
DE2858292C2 true DE2858292C2 (US06534493-20030318-C00184.png) 1990-04-26

Family

ID=25263061

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2858292A Expired - Fee Related DE2858292C2 (US06534493-20030318-C00184.png) 1977-09-13 1978-09-12
DE2839642A Expired DE2839642C2 (de) 1977-09-13 1978-09-12 Vibrationsdämpfende Vorrichtung zum Halten einer Masse an einem Körper

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2839642A Expired DE2839642C2 (de) 1977-09-13 1978-09-12 Vibrationsdämpfende Vorrichtung zum Halten einer Masse an einem Körper

Country Status (7)

Country Link
US (1) US4140028A (US06534493-20030318-C00184.png)
JP (1) JPS5453498A (US06534493-20030318-C00184.png)
CA (1) CA1082235A (US06534493-20030318-C00184.png)
DE (2) DE2858292C2 (US06534493-20030318-C00184.png)
FR (1) FR2402808A1 (US06534493-20030318-C00184.png)
GB (2) GB2004976B (US06534493-20030318-C00184.png)
IT (1) IT1098597B (US06534493-20030318-C00184.png)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365771A (en) * 1979-02-26 1982-12-28 Textron, Inc. Inplane nodalization system
FR2474996A1 (fr) * 1980-02-05 1981-08-07 Aerospatiale Dispositif de suspension antiresonnante pour helicoptere
US4420134A (en) * 1980-10-27 1983-12-13 Kaman Aerospace Corporation Vibration isolator with crank driven inertia bar
US4405101A (en) * 1980-10-29 1983-09-20 United Technologies Corp. Vibration isolation system
FR2499505A1 (fr) * 1981-02-09 1982-08-13 Aerospatiale Dispositif simplifie de suspension antiresonnante pour helicoptere
FR2503663A1 (fr) * 1981-04-10 1982-10-15 Aerospatiale Dispositif de suspension antivibratoire pour helicoptere
JPS58156417A (ja) * 1982-03-10 1983-09-17 Nissan Motor Co Ltd マウント構造
US5647726A (en) * 1996-02-15 1997-07-15 Bell Helicopter Textron Inc. Rotor system vibration absorber
US5947453A (en) * 1996-12-18 1999-09-07 Sikorsky Aircraft Corporation Spring-mass vibration absorber
US5924532A (en) * 1997-06-19 1999-07-20 Applied Power, Inc. Temperature compensated passive vibration absorber
FR2939409B1 (fr) * 2008-12-08 2011-02-11 Airbus France Systeme de fixation entre deux composants tels qu'un moteur d'aeronef et son mat d'accrochage
CN102858590B (zh) * 2009-11-20 2015-09-30 哥伦比亚国防部空军 直升飞机飞行员座椅中的减振装置
US8534594B2 (en) 2011-04-11 2013-09-17 Gulfstream Aerospace Corporation Vibration isolation system using electrical cables as mass
US8732927B2 (en) 2011-09-20 2014-05-27 General Electric Company Method for adjusting torsional frequency of a power train
US20140209735A1 (en) * 2013-01-29 2014-07-31 Peter L. Corey Rotary wing platform containment structure for vertical surface transfer
CN103244596B (zh) * 2013-05-03 2015-09-23 东北大学 模块化参数可调动力减振器及其参数给定方法
FR3010386B1 (fr) * 2013-09-06 2017-01-06 Eurocopter France Dispositif de suspension antivibratoire d'un element mecanique et aeronef
RU2600966C1 (ru) * 2015-08-04 2016-10-27 Валерий Туркубеевич Пчентлешев Винтокрылый летательный аппарат
WO2018067028A1 (ru) * 2016-10-06 2018-04-12 Валерий Туркубеевич ПЧЕНТЛЕШЕВ Винтокрылый летательный аппарат
CN109765022B (zh) * 2019-01-16 2024-04-16 南京航空航天大学 一种直升机主减速器隔振系统试验装置
US11584521B2 (en) * 2019-09-26 2023-02-21 Textron Innovations Inc. Pylon restraint system
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973510A (en) * 1929-07-30 1934-09-11 Schieferstein Georg Heinrich Device for balancing the action of forces and inertia
US3445080A (en) * 1967-05-26 1969-05-20 Kaman Corp Dynamic antiresonant vibration isolator
DE2007914A1 (de) * 1969-03-18 1970-09-24 Kaman Aerospace Corp., Bloomfield, Conn. (V.St.A.) Dreidimensional wirkende Schwingungsschutzvorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1486763A (en) * 1922-10-23 1924-03-11 Joubert Lucien Suspension device for automobiles or other vehicles
US2744749A (en) * 1952-06-11 1956-05-08 Ludwik F Fiedor Vehicle suspension mechanism
US2833552A (en) * 1955-09-26 1958-05-06 Gen Motors Corp Dynamic vibration damper
GB890374A (en) * 1959-06-26 1962-02-28 William Smeaton Russell Improvements to resilient mountings for instruments
US3322379A (en) * 1964-11-03 1967-05-30 Kaman Aircraft Corp Dynamic antiresonant vibration isolator
CA781817A (en) * 1965-08-25 1968-04-02 Kaman Aircraft Corporation Dynamic antiresonant vibration isolator
US3698663A (en) * 1970-12-07 1972-10-17 Textron Inc Rotary wing pylon mounting system
US3845917A (en) * 1971-10-18 1974-11-05 Textron Inc Helicopter vibration isolation
BE790113A (fr) * 1971-10-18 1973-04-13 Textron Inc Dispositif isolateur a l'egard des vibrations dans un helicoptere
US3857534A (en) * 1972-02-04 1974-12-31 Textron Inc Multi-frequency helicopter vibration isolation
GB1465266A (en) * 1973-04-26 1977-02-23 Westland Aircraft Ltd Rotors for rotary wing aircraft
FR2232481B1 (US06534493-20030318-C00184.png) * 1973-06-08 1976-05-07 Aerospatiale
US3858831A (en) * 1973-12-26 1975-01-07 Textron Inc Nodal beam inertial flexure
US4088042A (en) * 1976-09-07 1978-05-09 The Boeing Company Vibration isolation system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973510A (en) * 1929-07-30 1934-09-11 Schieferstein Georg Heinrich Device for balancing the action of forces and inertia
US3445080A (en) * 1967-05-26 1969-05-20 Kaman Corp Dynamic antiresonant vibration isolator
DE2007914A1 (de) * 1969-03-18 1970-09-24 Kaman Aerospace Corp., Bloomfield, Conn. (V.St.A.) Dreidimensional wirkende Schwingungsschutzvorrichtung

Also Published As

Publication number Publication date
US4140028A (en) 1979-02-20
CA1082235A (en) 1980-07-22
JPS6333018B2 (US06534493-20030318-C00184.png) 1988-07-04
IT7827613A0 (it) 1978-09-13
FR2402808B1 (US06534493-20030318-C00184.png) 1983-02-18
DE2839642A1 (de) 1979-03-22
GB2020781A (en) 1979-11-21
JPS5453498A (en) 1979-04-26
GB2004976A (en) 1979-04-11
GB2020781B (en) 1982-05-19
GB2004976B (en) 1982-05-19
DE2839642C2 (de) 1987-02-05
IT1098597B (it) 1985-09-07
FR2402808A1 (fr) 1979-04-06

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