ATE151509T1 - Elektrorheologische flüssigkeiten benutzende, verstellbare dämpfer - Google Patents

Elektrorheologische flüssigkeiten benutzende, verstellbare dämpfer

Info

Publication number
ATE151509T1
ATE151509T1 AT93305452T AT93305452T ATE151509T1 AT E151509 T1 ATE151509 T1 AT E151509T1 AT 93305452 T AT93305452 T AT 93305452T AT 93305452 T AT93305452 T AT 93305452T AT E151509 T1 ATE151509 T1 AT E151509T1
Authority
AT
Austria
Prior art keywords
fluid
dampers
adjustable dampers
pistons
annular
Prior art date
Application number
AT93305452T
Other languages
English (en)
Inventor
Nicholas Petek
Original Assignee
Lubrizol 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 Lubrizol Corp filed Critical Lubrizol Corp
Application granted granted Critical
Publication of ATE151509T1 publication Critical patent/ATE151509T1/de

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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/532—Electrorheological [ER] fluid dampers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Vibration Prevention Devices (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
AT93305452T 1992-07-14 1993-07-13 Elektrorheologische flüssigkeiten benutzende, verstellbare dämpfer ATE151509T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/913,118 US5259487A (en) 1992-07-14 1992-07-14 Adjustable dampers using electrorheological fluids

Publications (1)

Publication Number Publication Date
ATE151509T1 true ATE151509T1 (de) 1997-04-15

Family

ID=25432940

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93305452T ATE151509T1 (de) 1992-07-14 1993-07-13 Elektrorheologische flüssigkeiten benutzende, verstellbare dämpfer

Country Status (8)

Country Link
US (1) US5259487A (de)
EP (1) EP0581476B1 (de)
JP (1) JPH06174002A (de)
AT (1) ATE151509T1 (de)
AU (1) AU658757B2 (de)
BR (1) BR9302189A (de)
CA (1) CA2100210A1 (de)
DE (1) DE69309569D1 (de)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788029A (en) * 1993-08-18 1998-08-04 Bell Helicopter Vibration isolation system
JPH07133840A (ja) * 1993-11-11 1995-05-23 Bridgestone Corp 電気粘性流体を用いた装置
US5992582A (en) * 1994-04-19 1999-11-30 Lou; Zheng Electrorheological rotary pure-shear damping devices
US6105420A (en) * 1994-06-27 2000-08-22 Bridgestone Corporation Electro-rheological fluid damper control system
US5522481A (en) * 1994-12-09 1996-06-04 Bridgestone/Firestone, Inc. Vibration damping device using ER fluids
US5582385A (en) * 1995-04-27 1996-12-10 The Lubrizol Corporation Method for controlling motion using an adjustable damper
US5590745A (en) 1995-06-19 1997-01-07 Bridgestone/Firestone, Inc. Vibration damping device using ER fluids having multiple electrodes
US5588509A (en) * 1995-10-17 1996-12-31 Bridgestone/Firestone, Inc. Splined vibration damping device using ER fluids
US6065572A (en) * 1995-11-13 2000-05-23 The Lubrizol Corporation Polymeric materials to self-regulate the level of polar activators in electrorheological fluids
US5732370A (en) * 1996-04-26 1998-03-24 The Lubrizol Corporation Method for controlling motion using a two-stage adjustable damper
US5878851A (en) * 1996-07-02 1999-03-09 Lord Corporation Controllable vibration apparatus
US6095486A (en) * 1997-03-05 2000-08-01 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US5947238A (en) * 1997-03-05 1999-09-07 Lord Corporation Passive magnetorheological fluid device with excursion dependent characteristic
DE19717693A1 (de) 1997-04-26 1998-10-29 Schenck Ag Carl Stell- und Dämpfervorrichtung
DE19813796C2 (de) * 1998-03-27 2001-08-02 Grove Us Llc Federbein mit Lenkdurchführung
US6029783A (en) * 1998-04-16 2000-02-29 Wirthlin; Alvin R. Variable resistance device using electroactive fluid
US6068249A (en) * 1998-04-22 2000-05-30 Trw Inc. Controllable vehicle strut
DE19820570A1 (de) * 1998-05-08 1999-11-11 Schenck Ag Carl Schwingungsdämpfer auf Basis elektrorheologischer und/oder magnetorheologischer Flüssigkeiten
US6053269A (en) * 1998-08-13 2000-04-25 The Board Of Regents Of The University Of Oklahoma Vehicle/bridge vibration mitigation assembly
JP2002538031A (ja) * 1998-12-21 2002-11-12 ダグラス オートテック コーポレーション 乗物のための非ニュートン流動体ロッキング装置
US7165786B1 (en) 1998-12-21 2007-01-23 Douglas Autotech Corporation Non-newtonian flow fluid-locking mechanism for vehicles
US6318521B1 (en) 1999-06-16 2001-11-20 Bridgestone/Firestone, Inc. Externally guided ER damper
US6886669B1 (en) 1999-10-15 2005-05-03 Meritor Heavy Vehicle Systems, Llc Method and device for actively suspending a wheel from a vehicle
DE19954864A1 (de) * 1999-11-15 2001-05-23 Bosch Gmbh Robert Steuerventil sowie mit einem solchen Steuerventil versehenes Kraftstoff-Einspritzventil
US6484566B1 (en) 2000-05-18 2002-11-26 Rheologics, Inc. Electrorheological and magnetorheological fluid scanning rheometer
US6437687B2 (en) 2000-05-31 2002-08-20 Douglas Autotech Corp. Alarm mechanism
US6386343B1 (en) * 2001-04-30 2002-05-14 Delphi Technologies, Inc. Temperature compensating flux ring
US6568470B2 (en) * 2001-07-27 2003-05-27 Baker Hughes Incorporated Downhole actuation system utilizing electroactive fluids
US6681849B2 (en) 2001-08-22 2004-01-27 Baker Hughes Incorporated Downhole packer system utilizing electroactive polymers
US6637560B2 (en) * 2002-02-26 2003-10-28 Delphi Technologies, Inc. Vehicle damper assembly and method of modulating fluid flow
US6637556B1 (en) * 2002-08-05 2003-10-28 Delphi Technologies, Inc. Magneto-rheological damper with grooved fluid passages
US6655511B1 (en) 2002-10-08 2003-12-02 Delphi Technologies, Inc. Magnetorheological piston having a core
US6695102B1 (en) * 2002-12-31 2004-02-24 Lord Corporation Magnetorheological twin-tube damping device
JP2007515697A (ja) * 2003-05-13 2007-06-14 ナショナル ユニバーシティ オブ シンガポール ダンパシステム
US7374028B2 (en) 2003-07-08 2008-05-20 Fox Factory, Inc. Damper with pressure-sensitive compression damping
DE10352176A1 (de) * 2003-11-05 2005-06-02 Fludicon Gmbh Schwingungsdämpfer auf Basis elektrorheologischer und/oder magnetorheologischer Flüssigkeiten
KR100763382B1 (ko) * 2004-06-01 2007-10-05 엘지전자 주식회사 Ｅｒ 클러치를 이용한 자동제빙기의 아이스 뱅크
DE102004043281A1 (de) * 2004-09-08 2006-03-09 Fludicon Gmbh Vorrichtung zum Fixieren von beweglich gelagerten Teilen
DE102004054188A1 (de) * 2004-11-10 2006-05-11 Bayerische Motoren Werke Ag Motorrad mit Lenkungsdämpfer
US20060261530A1 (en) * 2005-05-18 2006-11-23 Bell Helicopter Textron Inc. Preloaded one-way valve accumulator
KR100867367B1 (ko) * 2006-04-06 2008-11-06 인하대학교 산학협력단 제어가능형 ｅｒ／ｍｒ 유체 댐퍼
DE102006031738A1 (de) * 2006-07-10 2008-01-17 Kastriot Merlaku Brems-System für Fahrzeuge oder Maschinen aller Art
DE102007026378A1 (de) * 2007-05-21 2008-11-27 Fludicon Gmbh Schwingungsdämpfer
DE102007063538A1 (de) 2007-12-21 2009-07-02 Deutsches Zentrum für Luft- und Raumfahrt e.V. Schwingungsdämpfervorrichtung, Fahrzeugkarosserie und Fahrzeug
US9452654B2 (en) 2009-01-07 2016-09-27 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8627932B2 (en) 2009-01-07 2014-01-14 Fox Factory, Inc. Bypass for a suspension damper
US10047817B2 (en) 2009-01-07 2018-08-14 Fox Factory, Inc. Method and apparatus for an adjustable damper
US20100170760A1 (en) 2009-01-07 2010-07-08 John Marking Remotely Operated Bypass for a Suspension Damper
US11306798B2 (en) 2008-05-09 2022-04-19 Fox Factory, Inc. Position sensitive suspension damping with an active valve
US9033122B2 (en) 2009-01-07 2015-05-19 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8857580B2 (en) 2009-01-07 2014-10-14 Fox Factory, Inc. Remotely operated bypass for a suspension damper
US10060499B2 (en) 2009-01-07 2018-08-28 Fox Factory, Inc. Method and apparatus for an adjustable damper
US7959201B2 (en) * 2008-07-29 2011-06-14 Honda Motor Co., Ltd. Gear damper
US8393446B2 (en) 2008-08-25 2013-03-12 David M Haugen Methods and apparatus for suspension lock out and signal generation
US12491961B2 (en) 2008-11-25 2025-12-09 Fox Factory, Inc. Seat post
US8016026B2 (en) 2008-11-25 2011-09-13 Baker Hughes Incorporated Actuator for downhole tools
US10036443B2 (en) 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US9422018B2 (en) 2008-11-25 2016-08-23 Fox Factory, Inc. Seat post
US9140325B2 (en) 2009-03-19 2015-09-22 Fox Factory, Inc. Methods and apparatus for selective spring pre-load adjustment
US11299233B2 (en) 2009-01-07 2022-04-12 Fox Factory, Inc. Method and apparatus for an adjustable damper
US9556925B2 (en) 2009-01-07 2017-01-31 Fox Factory, Inc. Suspension damper with by-pass valves
US9038791B2 (en) 2009-01-07 2015-05-26 Fox Factory, Inc. Compression isolator for a suspension damper
US12122205B2 (en) 2009-01-07 2024-10-22 Fox Factory, Inc. Active valve for an internal bypass
US10821795B2 (en) 2009-01-07 2020-11-03 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8936139B2 (en) 2009-03-19 2015-01-20 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US8672106B2 (en) 2009-10-13 2014-03-18 Fox Factory, Inc. Self-regulating suspension
EP2312180B1 (de) 2009-10-13 2019-09-18 Fox Factory, Inc. Vorrichtung zur Steuerung eines hydraulischen Dämpfers
US10697514B2 (en) 2010-01-20 2020-06-30 Fox Factory, Inc. Remotely operated bypass for a suspension damper
JP5489351B2 (ja) * 2010-06-09 2014-05-14 株式会社東芝 洗濯機
EP3778358B1 (de) 2010-07-02 2023-04-12 Fox Factory, Inc. Einstellbare sattelstütze mit positiver verriegelung
US8899560B2 (en) * 2011-02-16 2014-12-02 Elite Suspension Systems, Llc Springless combination shock absorber and suspension apparatus, and method of use
US9533542B2 (en) 2011-02-16 2017-01-03 Elite Suspension Systems, Llc Externally adjustable shock absorbing and suspension apparatus and method of use
EP2495472B1 (de) 2011-03-03 2024-05-01 Fox Factory, Inc. Kühler für einen aufhängungsdämpfer
EP3636953B1 (de) 2011-05-31 2023-09-27 Fox Factory, Inc. Vorrichtung zur positionsempfindlichen und/oder einstellbaren aufhängungsdämpfung
CN102275841A (zh) * 2011-06-15 2011-12-14 长沙中联重工科技发展股份有限公司 臂架防后倾缓冲装置
US10488074B2 (en) * 2011-09-09 2019-11-26 Capital Hardware Supply, Inc. Airtight bushing for ductwork damper and the like and ductwork damper unit incorporating same
EP3567272B1 (de) 2011-09-12 2021-05-26 Fox Factory, Inc. Verfahren und vorrichtung zur aufhängungseinstellung
US11279199B2 (en) 2012-01-25 2022-03-22 Fox Factory, Inc. Suspension damper with by-pass valves
US10330171B2 (en) 2012-05-10 2019-06-25 Fox Factory, Inc. Method and apparatus for an adjustable damper
JP5863566B2 (ja) * 2012-05-23 2016-02-16 株式会社ショーワ 油圧緩衝器
DE102013003841B4 (de) 2012-12-21 2016-11-24 Fludicon Gmbh Schwingungsdämpfer
US10487904B2 (en) * 2015-09-18 2019-11-26 Hitachi Automotive Systems, Ltd. Cylinder device
US10309479B2 (en) * 2015-09-30 2019-06-04 Hitachi Automotive Systems, Ltd. Cylinder device
US20170284494A1 (en) * 2016-04-02 2017-10-05 Avery Jackson Kress Non Newtonian Fluids As Ultra High Acceleration G-Force Dissipaters And Shock Absorbers
US10737546B2 (en) 2016-04-08 2020-08-11 Fox Factory, Inc. Electronic compression and rebound control
WO2018124136A1 (ja) * 2016-12-26 2018-07-05 日立オートモティブシステムズ株式会社 シリンダ装置
WO2018180433A1 (ja) * 2017-03-30 2018-10-04 日立オートモティブシステムズ株式会社 シリンダ装置
JP6869821B2 (ja) * 2017-06-27 2021-05-12 日立Astemo株式会社 シリンダ装置
CN110785302B (zh) * 2017-06-28 2023-05-26 日立安斯泰莫株式会社 悬架控制装置
JP2020142536A (ja) * 2017-06-28 2020-09-10 日立オートモティブシステムズ株式会社 サスペンション制御装置
JP6869837B2 (ja) * 2017-07-10 2021-05-12 日立Astemo株式会社 シリンダ装置
EP3489049B1 (de) * 2017-11-28 2024-09-18 Volvo Car Corporation Elektronischer dämpfer für hohe belastungen (ehid)
DE102018203733B4 (de) 2018-03-13 2020-11-19 Audi Ag Kraftfahrzeug
CN112840144B (zh) * 2018-09-25 2023-01-13 日立安斯泰莫株式会社 悬架控制装置及电流变缓冲器
US11193506B2 (en) 2018-11-15 2021-12-07 Canon Kabushiki Kaisha Pulsation dampener with gas retention
JP2021020970A (ja) * 2019-07-24 2021-02-18 日立オートモティブシステムズ株式会社 電気粘性流体組成物およびシリンダ装置
KR102756110B1 (ko) * 2019-10-23 2025-01-17 에이치엘만도 주식회사 쇽 업소버
CN114458714A (zh) * 2021-10-26 2022-05-10 广西科技大学 一种双筒嵌入式混合电磁馈能阻尼器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661596A (en) * 1950-01-28 1953-12-08 Wefco Inc Field controlled hydraulic device
US3207269A (en) * 1963-12-12 1965-09-21 Pure Oil Co Electric viscous field responsive shock absorber
FR1414841A (fr) * 1964-08-10 1965-10-22 Amortisseur télescopique
GB1282568A (en) * 1968-12-11 1972-07-19 Laser Engineering Developments Improvements in or relating to dampers
GB2111171B (en) * 1981-12-09 1985-07-31 Secr Defence Linear dampers with variable viscosity
DE3330205C2 (de) * 1983-08-20 1986-10-23 Günther 6940 Weinheim Obstfelder Selbstregelnder Stoßdämpfer, insbesondere für Kraftfahrzeuge
DE3443183A1 (de) * 1984-11-27 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum steuern der daempferhaerte eines stossdaempfers fuer fahrzeuge
DE3631107A1 (de) * 1986-09-12 1988-03-24 Bilstein August Gmbh Co Kg Regelbarer stossdaempfer, insbesondere fuer kraftfahrzeuge
DE3632562A1 (de) * 1986-09-25 1988-04-07 Bosch Gmbh Robert Zweirohr-stossdaempfer
JP2693434B2 (ja) * 1986-12-29 1997-12-24 株式会社ブリヂストン サスペンション用減衰力発生装置およびそれの作動制御装置
DE3712349C2 (de) * 1987-04-11 1994-07-07 Bosch Gmbh Robert Vorrichtung zur Dämpfung von Bewegungsabläufen
DE68917370T2 (de) * 1988-05-13 1995-03-30 Toa Nenryo Kogyo Kk Dämpfungsvorrichtung für eine rotierende Welle.
DE3830836A1 (de) * 1988-09-10 1990-03-22 Messerschmitt Boelkow Blohm Kraftsimulation in servosteuersystemen
US5000299A (en) * 1989-02-07 1991-03-19 Tokai Rubber Industries, Ltd. Shock absorber using electro-viscous fluid
US5161653A (en) * 1989-04-18 1992-11-10 Hare Sr Nicholas S Electro-rheological shock absorber
US5014829A (en) * 1989-04-18 1991-05-14 Hare Sr Nicholas S Electro-rheological shock absorber
US5018606A (en) * 1990-01-10 1991-05-28 Lord Corporation Electrophoretic fluid damper
US5068018A (en) * 1990-01-10 1991-11-26 Lord Corporation Electrophoretic fluid composite structure
EP0478273B1 (de) * 1990-09-25 1998-01-07 Bridgestone Corporation Schwingungsdämpfungsvorrichtung
DE4131532A1 (de) * 1991-09-21 1993-03-25 Fichtel & Sachs Ag Verstellbares daempfventil mittels eines elektrorheologischen steuermediums fuer einen schwingungsdaempfer

Also Published As

Publication number Publication date
JPH06174002A (ja) 1994-06-21
EP0581476B1 (de) 1997-04-09
US5259487A (en) 1993-11-09
BR9302189A (pt) 1994-01-25
EP0581476A1 (de) 1994-02-02
AU4192593A (en) 1994-01-20
CA2100210A1 (en) 1994-01-15
AU658757B2 (en) 1995-04-27
DE69309569D1 (de) 1997-05-15

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