IT1147038B - Sistema per eliminare la trasmissione di vibrazioni fra due corpi - Google Patents

Sistema per eliminare la trasmissione di vibrazioni fra due corpi

Info

Publication number
IT1147038B
IT1147038B IT47999/80A IT4799980A IT1147038B IT 1147038 B IT1147038 B IT 1147038B IT 47999/80 A IT47999/80 A IT 47999/80A IT 4799980 A IT4799980 A IT 4799980A IT 1147038 B IT1147038 B IT 1147038B
Authority
IT
Italy
Prior art keywords
vibrations
bodies
eliminate
transmission
Prior art date
Application number
IT47999/80A
Other languages
English (en)
Other versions
IT8047999A0 (it
Inventor
Dennis Ray Halwes
William Allen Simmons
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of IT8047999A0 publication Critical patent/IT8047999A0/it
Application granted granted Critical
Publication of IT1147038B publication Critical patent/IT1147038B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/001Vibration damping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00Springs
    • F16F1/36Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/52Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses
    • F16F1/54Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses loaded in compression and shear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/22Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a dynamic damper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/24Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the central part of the unit being supported by one element and both extremities of the unit being supported by a single other element, i.e. double acting mounting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/001Vibration damping devices
    • B64C2027/005Vibration damping devices using suspended masses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2236/00Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/12Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses
    • F16F2236/123Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses loaded in compression and shear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Vibration Prevention Devices (AREA)
IT47999/80A 1979-02-26 1980-02-25 Sistema per eliminare la trasmissione di vibrazioni fra due corpi IT1147038B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/015,230 US4236607A (en) 1979-02-26 1979-02-26 Vibration suppression system

Publications (2)

Publication Number Publication Date
IT8047999A0 IT8047999A0 (it) 1980-02-25
IT1147038B true IT1147038B (it) 1986-11-19

Family

ID=21770229

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47999/80A IT1147038B (it) 1979-02-26 1980-02-25 Sistema per eliminare la trasmissione di vibrazioni fra due corpi

Country Status (13)

Country Link
US (1) US4236607A (it)
JP (1) JPS55159348A (it)
AR (1) AR221527A1 (it)
AU (1) AU531620B2 (it)
BR (1) BR8001118A (it)
CA (1) CA1134870A (it)
DE (1) DE3006778A1 (it)
ES (1) ES488949A1 (it)
FR (1) FR2449826B1 (it)
GB (1) GB2051301B (it)
IL (1) IL59459A (it)
IT (1) IT1147038B (it)
MX (1) MX6706E (it)

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FR2630798B1 (fr) * 1988-05-02 1990-07-27 Peugeot Articulation elastique et suspension de roue de vehicule automobile
IT1232884B (it) * 1989-07-26 1992-03-05 Fiat Auto Spa Sopporto elastico in particolare per motori di autoveicoli con sfasatore incorporato
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US5388811A (en) * 1991-07-09 1995-02-14 Lord Corporation Torque-control system for vehicles cabs and the like
US5174552A (en) * 1991-10-15 1992-12-29 Lord Corporation Fluid mount with active vibration control
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US6009983A (en) * 1997-05-30 2000-01-04 Bell Helicopter Textron, Inc. Method and apparatus for improved vibration isolation
US6092795A (en) * 1997-08-04 2000-07-25 Lord Corporation Fluid and elastomer damper
US6032936A (en) * 1997-08-04 2000-03-07 Lord Corporation Fluid mount including a partitionless compensator
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DE19954975A1 (de) * 1999-11-16 2001-03-29 Daimler Chrysler Ag Hydraulisch dämpfendes Lager
US6431530B1 (en) 2000-05-23 2002-08-13 Bell Helicopter Textron, Inc. Vertical liquid inertia vibration isolator
US6695106B2 (en) 2000-09-26 2004-02-24 Bell Helicopter Textron, Inc. Method and apparatus for improved vibration isolation
DE10214325A1 (de) * 2002-03-28 2003-10-16 Zf Lemfoerder Metallwaren Ag Verfahren zum Betreiben eines Hydrolagers und hierfür ausgebildetes Lager
WO2003104675A2 (en) 2002-06-07 2003-12-18 Boart Longyear Limited Vibration isolator
EP2182240B1 (en) 2002-09-24 2014-08-06 Bell Helicopter Textron Inc. A method of controlling the acoustic radiation of a ship
US7270321B2 (en) * 2002-11-06 2007-09-18 Lord Corporation Fluid-elastomeric damper assembly including internal pumping mechanism
US6758466B2 (en) * 2002-11-06 2004-07-06 Lord Corporation Fluid-elastomeric damper assembly including internal pumping mechanism
US20040134733A1 (en) * 2003-01-13 2004-07-15 Wood James Gary Vibration absorber
US20050077845A1 (en) * 2003-08-29 2005-04-14 Nejat Olgac Actively controlled harmonic force generator
JP2005212008A (ja) * 2004-01-28 2005-08-11 Hitachi Via Mechanics Ltd アクティブマスダンパ
US20050217954A1 (en) * 2004-03-31 2005-10-06 Hindle Timothy A Viscous isolation and damping strut utilizing a fluid mass effect
EP2015988B1 (en) * 2006-05-06 2011-07-27 Lord Corporation Helicopter reduced vibration isolator axial support strut
BRPI0622047A2 (pt) * 2006-10-12 2014-06-10 Bell Helicopter Textron Inc Pilone de montagem rígida com atenuação de vibração
WO2008127696A1 (en) * 2007-04-11 2008-10-23 Bell Helicopter Textron Inc. Method for suppressing vibration in a tiltrotor aircraft
CA2704734C (en) * 2007-09-27 2015-11-24 Bell Helicopter Textron Inc. Method and apparatus for improved vibration isolation
CA2746048C (en) * 2008-12-18 2014-07-08 Bell Helicopter Textron Inc. Method and apparatus for improved vibration isolation
CA2754205C (en) 2009-03-12 2015-05-19 Bell Helicopter Textron Inc. Method and apparatus for improved vibration isolation
US20110017562A1 (en) * 2009-07-21 2011-01-27 Hapco Aluminum Pole Products Vibration damping system for utility poles
WO2011068501A1 (en) 2009-12-01 2011-06-09 Bell Helicopter Textron Inc. Apparatus for improved vibration isolation
WO2011103078A1 (en) * 2010-02-16 2011-08-25 Bell Helicopter Textron Inc. Variabale stiffness liquid inertia vibration eliminator
DE102010021241A1 (de) * 2010-05-21 2011-11-24 Oerlikon Leybold Vacuum Gmbh Vakuumpumpe
CA2830898C (en) 2011-04-11 2015-09-08 Bell Helicopter Textron Inc. Pylon mounting system with vibration isolation
US8882091B2 (en) 2011-11-11 2014-11-11 Textron Innovations Inc. Vibration isolation system
US20130161884A1 (en) * 2011-12-26 2013-06-27 Bell Helicopter Textron Inc. System and Method of Tuning a Liquid Inertia Vibration Eliminator
US9777788B2 (en) * 2012-01-10 2017-10-03 Bell Helicopter Textron Inc. Rotorcraft vibration suppression system in a four corner pylon mount configuration
US8672262B2 (en) 2012-01-10 2014-03-18 Textron Innovations Inc. Mechanically optimized liquid inertia vibration eliminator and aircraft pylon system
US8622375B2 (en) 2012-03-16 2014-01-07 Textron Innovations Inc. Dual frequency damper for an aircraft
US8731743B2 (en) 2012-04-11 2014-05-20 Textron Innovations Inc. Self tuning vibration isolation system
US9296476B2 (en) 2012-04-18 2016-03-29 Textron Innovations Inc. Self tuning vibration absorber
US9145946B2 (en) 2013-03-15 2015-09-29 Bell Helicopter Textron Inc. Active vibration isolation system
US9133903B2 (en) * 2013-03-15 2015-09-15 The Pullman Company Hydroelastic fluids for fluid filled elastomeric damping devices
US9249856B1 (en) 2014-03-18 2016-02-02 Bell Helicopter Textron Inc. Liquid inertia vibration mount
US9551393B2 (en) 2014-04-23 2017-01-24 Bell Helicopter Textron Inc. Rotorcraft vibration isolation systems
ES2891084T3 (es) * 2016-04-27 2022-01-26 MTU Aero Engines AG Conjunto de paletas de turbomaquinaria
US10550907B2 (en) * 2016-08-18 2020-02-04 Textron Innovations Inc. Liquid inertia vibration elimination system
US10301010B2 (en) 2016-10-20 2019-05-28 Bell Helicopter Textron Inc. Oscillating pump systems for use on aircraft
US20180265186A1 (en) 2017-03-15 2018-09-20 Bell Helicopter Textron Inc. Vibration Isolation Systems for Advancing Blade Concept Rotorcraft
US11932380B2 (en) 2017-03-15 2024-03-19 Textron Innovations Inc. Vibration isolation systems for compound helicopters
CN107654566B (zh) * 2017-08-07 2019-10-08 上海交通大学 参数可调的液弹式隔振装置
US11167842B2 (en) * 2017-10-10 2021-11-09 Bell Helicopter Textron Inc. Mount for supporting a component and attenuating noise
US11131363B2 (en) * 2017-10-16 2021-09-28 Textron Innovations Inc. Vibration attenuating fluid mount with partitioned compensator
US11008092B2 (en) 2017-10-27 2021-05-18 Textron Innovations Inc. Compact design of a liquid inertia vibration elimination system
ES2742448B2 (es) * 2018-08-14 2021-11-03 Garcia Jasiel Najera Amortiguador con regulación de carga en función de la frecuencia mediante inercia hidráulica
US11584519B2 (en) 2019-04-12 2023-02-21 Textron Innovations Inc. Oscillatory pumping system for liquid vibration isolator
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Also Published As

Publication number Publication date
AU531620B2 (en) 1983-09-01
DE3006778C2 (it) 1989-08-17
MX6706E (es) 1985-10-23
IT8047999A0 (it) 1980-02-25
IL59459A0 (en) 1980-05-30
US4236607A (en) 1980-12-02
CA1134870A (en) 1982-11-02
BR8001118A (pt) 1980-10-29
DE3006778A1 (de) 1980-09-04
FR2449826B1 (fr) 1986-09-26
GB2051301B (en) 1983-06-15
JPS55159348A (en) 1980-12-11
JPS6329136B2 (it) 1988-06-13
ES488949A1 (es) 1980-09-16
AU5585480A (en) 1980-09-04
IL59459A (en) 1983-03-31
AR221527A1 (es) 1981-02-13
GB2051301A (en) 1981-01-14
FR2449826A1 (fr) 1980-09-19

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980225