DE3744469C2 - - Google Patents

Info

Publication number
DE3744469C2
DE3744469C2 DE3744469A DE3744469A DE3744469C2 DE 3744469 C2 DE3744469 C2 DE 3744469C2 DE 3744469 A DE3744469 A DE 3744469A DE 3744469 A DE3744469 A DE 3744469A DE 3744469 C2 DE3744469 C2 DE 3744469C2
Authority
DE
Germany
Prior art keywords
inner cylinder
chamber
filled
liquid
electroviscous
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
DE3744469A
Other languages
German (de)
English (en)
Other versions
DE3744469A1 (de
Inventor
Takeshi Noguchi
Takashi Yokohama Kanagawa Jp Kikuchi
Kazuya Kamakura Kanagawa Jp Takano
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.)
Bridgestone Corp
Original Assignee
Bridgestone 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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to DE3744970A priority Critical patent/DE3744970C2/de
Priority to DE3744975A priority patent/DE3744975C2/de
Publication of DE3744469A1 publication Critical patent/DE3744469A1/de
Application granted granted Critical
Publication of DE3744469C2 publication Critical patent/DE3744469C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/505—Adjustable suspension including height adjustment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/52—Seat suspension devices using fluid means
    • B60N2/522—Seat suspension devices using fluid means characterised by dampening means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/52—Seat suspension devices using fluid means
    • B60N2/525—Seat suspension devices using fluid means using gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/52—Seat suspension devices using fluid means
    • B60N2/527—Seat suspension devices using fluid means using liquids
    • 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
    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B5/00—Adjusting position or attitude, e.g. level, of instruments or other apparatus, or of parts thereof; Compensating for the effects of tilting or acceleration, e.g. for optical apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
DE19873744469 1986-12-29 1987-12-29 Fluessigkeitsgefuellte aufhaengung und zugehoerige steuervorrichtung Granted DE3744469A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3744970A DE3744970C2 (de) 1986-12-29 1987-12-29 Steuervorrichtung für einen geregelten flüssigkeitsgefüllten Dämpfer
DE3744975A DE3744975C2 (de) 1986-12-29 1987-12-29 Geregelter hydraulischer Dämpfer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31306986 1986-12-29
JP62094290A JP2693434B2 (ja) 1986-12-29 1987-04-18 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

Publications (2)

Publication Number Publication Date
DE3744469A1 DE3744469A1 (de) 1988-07-07
DE3744469C2 true DE3744469C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-08-01

Family

ID=26435552

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873744469 Granted DE3744469A1 (de) 1986-12-29 1987-12-29 Fluessigkeitsgefuellte aufhaengung und zugehoerige steuervorrichtung

Country Status (3)

Country Link
US (1) US4858733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2693434B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3744469A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19602608A1 (de) * 1996-01-25 1997-08-07 Bayerische Motoren Werke Ag Hydraulische Weg- und/oder Kraftübertragungseinrichtung
DE10329982A1 (de) * 2003-06-27 2005-01-20 Siemens Ag Vorrichtung zur Steuerung der Charakteristik eines Lagers mittels einer magnetisierbaren Flüssigkeit
DE102004043281A1 (de) * 2004-09-08 2006-03-09 Fludicon Gmbh Vorrichtung zum Fixieren von beweglich gelagerten Teilen

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* Cited by examiner, † Cited by third party
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ES2011326A6 (es) * 1988-03-28 1990-01-01 Castillo Castillo Jose Luis Sistema de amortiguacion de modos de oscilacion de vehiculos con suspension que aprovecha el movimiento relativo entre la parte suspendida y las no suspendidas pra producir fuerzas exclusivamente en el sentido opuesto al movimiento de los modos de oscilacion excitados.
EP0342882B1 (en) * 1988-05-13 1994-08-10 Toa Nenryo Kogyo Kabushiki Kaisha Damping system for a rotating shaft
JPH0221135U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-07-29 1990-02-13
US5161653A (en) * 1989-04-18 1992-11-10 Hare Sr Nicholas S Electro-rheological shock absorber
US5158109A (en) * 1989-04-18 1992-10-27 Hare Sr Nicholas S Electro-rheological valve
US5014829A (en) * 1989-04-18 1991-05-14 Hare Sr Nicholas S Electro-rheological shock absorber
US5103779A (en) * 1989-04-18 1992-04-14 Hare Sr Nicholas S Electro-rheological valve control mechanism
US5288535A (en) * 1989-04-28 1994-02-22 Tonen Corporation Electrode for electroviscous fluid
JPH0756316B2 (ja) * 1989-07-05 1995-06-14 日産自動車株式会社 粘度可変流体封入制御型防振体
JPH03234938A (ja) * 1989-08-25 1991-10-18 Bridgestone Corp 振動減衰装置
GB8929365D0 (en) * 1989-12-30 1990-02-28 Alcatel Business Systems Article feeding
JPH04175533A (ja) * 1990-11-05 1992-06-23 Nissan Motor Co Ltd 圧電アクチュエータの変位拡大機構
DE69128129T2 (de) * 1990-12-10 1998-03-05 Bridgestone Corp Einrichtung zur elektroviskosen Dämpfung
JP3039997B2 (ja) * 1991-02-15 2000-05-08 株式会社ブリヂストン 電気粘性流体応用装置、電気粘性流体応用振動制御装置および電気粘性流体応用固定装置
FR2675558A1 (fr) * 1991-04-22 1992-10-23 Hutchinson Barre elastique de liaison a systeme de controle actif des vibrations.
GB2255150A (en) * 1991-04-25 1992-10-28 Advanced Fluid Systems Ltd Motion control using electro-rheological fluids
US5180145A (en) * 1991-05-30 1993-01-19 Bridgestone Corporation Vibration damping device
DE69220916T2 (de) * 1991-12-27 1997-12-18 Bridgestone Corp Verfahren und Gerät zum Steuern der schwingungsdämpfenden Kraft in einer Vorrichtung zur Schwingungsdämpfung
US5176368A (en) * 1992-01-13 1993-01-05 Trw Inc. Vehicle engine mount
GB2267947B (en) * 1992-06-17 1995-04-26 Gec Alsthom Ltd Controllable motion-damper
US5259487A (en) * 1992-07-14 1993-11-09 The Lubrizol Corporation Adjustable dampers using electrorheological fluids
US5398785A (en) * 1993-01-11 1995-03-21 Regeants Of The University Of California Semiactive control apparatus for damping vibrations of a body
US5788029A (en) * 1993-08-18 1998-08-04 Bell Helicopter Vibration isolation system
US5449150A (en) * 1993-11-29 1995-09-12 Bridgestone Corporation Vibration damping device with an electrode and having rolling lobes of different radii
US5992582A (en) * 1994-04-19 1999-11-30 Lou; Zheng Electrorheological rotary pure-shear damping devices
US5511759A (en) * 1994-05-26 1996-04-30 Steelcase, Inc. Hydraulic chair height adjustment mechanism
US5522481A (en) * 1994-12-09 1996-06-04 Bridgestone/Firestone, Inc. Vibration damping device using ER fluids
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
US5957252A (en) * 1996-08-02 1999-09-28 Berthold; Brian D. Hydraulic suspension unit
US5956951A (en) * 1996-09-20 1999-09-28 Mr Technologies Adjustable magneto-rheological fluid device
US6068249A (en) * 1998-04-22 2000-05-30 Trw Inc. Controllable vehicle strut
US6082719A (en) * 1998-05-12 2000-07-04 Trw Inc. Spacecraft antenna vibration control damper
US6491289B1 (en) * 2000-11-14 2002-12-10 Elyakim Schaap Oleo-pneumatic shock absorbing system
US6561500B2 (en) * 2001-03-07 2003-05-13 The Goodyear Tire & Rubber Company Hydro-damped air spring
US6561325B2 (en) * 2001-07-19 2003-05-13 Dana Corporation Vehicle suspension with remote spring
US6752250B2 (en) * 2001-09-27 2004-06-22 Northrop Grumman Corporation Shock, vibration and acoustic isolation system
US20030178267A1 (en) * 2002-03-20 2003-09-25 Doyle James D. Fluid separator for a shock absorber
US6953108B2 (en) * 2003-04-04 2005-10-11 Millenworks Magnetorheological damper system
EP1655157B1 (fr) * 2004-11-03 2007-03-21 Delphi Technologies, Inc. Sphère de suspension
JP2007032582A (ja) * 2005-07-22 2007-02-08 Kayaba Ind Co Ltd 減衰力調整式緩衝器
FR2928344B1 (fr) * 2008-03-06 2011-01-21 Hutchinson Dispositif d'amortissement et systeme de rotor d'aerodyne l'incorporant
DE102008017705A1 (de) * 2008-04-08 2009-10-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Dämpfvorrichtung
US10060499B2 (en) 2009-01-07 2018-08-28 Fox Factory, Inc. Method and apparatus for an adjustable damper
US9033122B2 (en) 2009-01-07 2015-05-19 Fox Factory, Inc. Method and apparatus for an adjustable damper
US20120305350A1 (en) 2011-05-31 2012-12-06 Ericksen Everet O Methods and apparatus for position sensitive suspension damping
US11306798B2 (en) 2008-05-09 2022-04-19 Fox Factory, Inc. Position sensitive suspension damping with an active valve
US9452654B2 (en) 2009-01-07 2016-09-27 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
US10047817B2 (en) 2009-01-07 2018-08-14 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
US8627932B2 (en) 2009-01-07 2014-01-14 Fox Factory, Inc. Bypass for a suspension damper
US8393446B2 (en) 2008-08-25 2013-03-12 David M Haugen Methods and apparatus for suspension lock out and signal generation
US9422018B2 (en) 2008-11-25 2016-08-23 Fox Factory, Inc. Seat post
US10036443B2 (en) 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
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
US9038791B2 (en) 2009-01-07 2015-05-26 Fox Factory, Inc. Compression isolator for a suspension damper
US10821795B2 (en) 2009-01-07 2020-11-03 Fox Factory, Inc. Method and apparatus for an adjustable damper
US12122205B2 (en) 2009-01-07 2024-10-22 Fox Factory, Inc. Active valve for an internal bypass
DE102009005381B4 (de) * 2009-01-21 2013-05-08 Grammer Aktiengesellschaft Vorrichtung zum Federn einer Masse und Verfahren zum Einstellen und/oder Betreiben einer Fluidfeder
DE102009001546A1 (de) * 2009-03-13 2010-09-16 Deere & Company, Moline Federungseinrichtung für ein Kraftfahrzeug
US8936139B2 (en) 2009-03-19 2015-01-20 Fox Factory, Inc. Methods and apparatus for suspension adjustment
EP2312180B1 (en) 2009-10-13 2019-09-18 Fox Factory, Inc. Apparatus for controlling a fluid damper
US8672106B2 (en) 2009-10-13 2014-03-18 Fox Factory, Inc. Self-regulating suspension
US10697514B2 (en) 2010-01-20 2020-06-30 Fox Factory, Inc. Remotely operated bypass for a suspension damper
DE102010020086B4 (de) * 2010-05-10 2015-07-23 Inventus Engineering Gmbh Regelverfahren für einen Energieabsorber
EP3778358B1 (en) 2010-07-02 2023-04-12 Fox Factory, Inc. Positive lock adjustable seat post
EP2567839B1 (en) 2011-09-12 2019-03-13 Fox Factory, Inc. Methods and apparatus for suspension set up
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
US10737546B2 (en) 2016-04-08 2020-08-11 Fox Factory, Inc. Electronic compression and rebound control
US11629518B2 (en) 2017-02-28 2023-04-18 Hummingbird Kinetics LLC Tuned liquid damper with a membrane liquid-gas interface
WO2019005269A1 (en) * 2017-06-26 2019-01-03 Hrl Laboratories, Llc ISOLATOR OF VIBRATION OF FLUID AND ELASTOMER

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US4733758A (en) * 1986-08-18 1988-03-29 Lord Corporation Tunable electrorheological fluid mount

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19602608A1 (de) * 1996-01-25 1997-08-07 Bayerische Motoren Werke Ag Hydraulische Weg- und/oder Kraftübertragungseinrichtung
DE10329982A1 (de) * 2003-06-27 2005-01-20 Siemens Ag Vorrichtung zur Steuerung der Charakteristik eines Lagers mittels einer magnetisierbaren Flüssigkeit
DE10329982B4 (de) * 2003-06-27 2005-09-15 Siemens Ag Vorrichtung zur Steuerung der Charakteristik eines Lagers mittels einer magnetisierbaren Flüssigkeit
DE102004043281A1 (de) * 2004-09-08 2006-03-09 Fludicon Gmbh Vorrichtung zum Fixieren von beweglich gelagerten Teilen

Also Published As

Publication number Publication date
US4858733A (en) 1989-08-22
DE3744469A1 (de) 1988-07-07
JP2693434B2 (ja) 1997-12-24
JPS63265715A (ja) 1988-11-02

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