DE60237226D1 - Nahtlose steuerung von federsteife in einem flüssigkeitsfedersystem - Google Patents

Nahtlose steuerung von federsteife in einem flüssigkeitsfedersystem

Info

Publication number
DE60237226D1
DE60237226D1 DE60237226T DE60237226T DE60237226D1 DE 60237226 D1 DE60237226 D1 DE 60237226D1 DE 60237226 T DE60237226 T DE 60237226T DE 60237226 T DE60237226 T DE 60237226T DE 60237226 D1 DE60237226 D1 DE 60237226D1
Authority
DE
Germany
Prior art keywords
spring
structural member
liquid
valve
volume
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 - Lifetime
Application number
DE60237226T
Other languages
German (de)
English (en)
Inventor
Damon Delorenzis
Conrad Cajulis
Richard J Meyer
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.)
LIQUIDSPRING TECHNOLOGIES Inc
Original Assignee
LIQUIDSPRING TECHNOLOGIES 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 LIQUIDSPRING TECHNOLOGIES Inc filed Critical LIQUIDSPRING TECHNOLOGIES Inc
Application granted granted Critical
Publication of DE60237226D1 publication Critical patent/DE60237226D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16F5/00—Liquid springs in which the liquid works as a spring by compression, e.g. combined with throttling action; Combinations of devices including liquid springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
    • B60G17/0432—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions by varying the number of accumulators connected to the hydraulic cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)
  • Fluid-Damping Devices (AREA)
DE60237226T 2001-10-23 2002-09-30 Nahtlose steuerung von federsteife in einem flüssigkeitsfedersystem Expired - Lifetime DE60237226D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/001,128 US6679504B2 (en) 2001-10-23 2001-10-23 Seamless control of spring stiffness in a liquid spring system
PCT/US2002/031230 WO2003036125A2 (en) 2001-10-23 2002-09-30 Seamless control of spring stiffness in a liquid spring system

Publications (1)

Publication Number Publication Date
DE60237226D1 true DE60237226D1 (de) 2010-09-16

Family

ID=21694515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60237226T Expired - Lifetime DE60237226D1 (de) 2001-10-23 2002-09-30 Nahtlose steuerung von federsteife in einem flüssigkeitsfedersystem

Country Status (7)

Country Link
US (3) US6679504B2 (enExample)
EP (1) EP1446592B1 (enExample)
JP (1) JP2005507062A (enExample)
AT (1) ATE476306T1 (enExample)
AU (1) AU2002363060A1 (enExample)
DE (1) DE60237226D1 (enExample)
WO (1) WO2003036125A2 (enExample)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6679504B2 (en) * 2001-10-23 2004-01-20 Liquidspring Technologies, Inc. Seamless control of spring stiffness in a liquid spring system
US7240906B2 (en) * 2002-12-04 2007-07-10 Daimlerchrysler Corporation Hydro-pneumatic suspension system
JP4438406B2 (ja) * 2003-06-27 2010-03-24 アイシン精機株式会社 スタビライザ制御装置
US6935639B1 (en) 2004-02-18 2005-08-30 Visteon Global Technologies, Inc. Mean pressure estimation for compressible fluid strut
US7416189B2 (en) * 2005-02-17 2008-08-26 Spartan Motors Chassis, Inc. Vehicle ride control system
JP4525918B2 (ja) * 2005-04-15 2010-08-18 トヨタ自動車株式会社 減衰力発生システムおよびそれを含んで構成された車両用サスペンションシステム
CA2610068C (en) * 2005-05-28 2013-01-22 Daniel L. Nordmeyer Air spring assembly with localized signal processing, system and method utilizing same, as well as operating module therefor
US7751959B2 (en) * 2005-06-21 2010-07-06 Tenneco Automotive Operating Company Inc. Semi-active suspension system with anti-roll for a vehicle
US7770909B2 (en) * 2005-07-21 2010-08-10 Deere & Company Articulated vehicle stabilization system
GB0605346D0 (en) * 2006-03-16 2006-04-26 Airbus Uk Ltd Feedback control system
WO2007145503A1 (en) * 2006-06-16 2007-12-21 Itrec B.V. Heave motion compensation
US7509220B2 (en) * 2006-08-16 2009-03-24 Rosemount Inc. Inclination measurement in process transmitters
US7287760B1 (en) * 2006-08-21 2007-10-30 Bfs Diversified Products, Llc Vehicle suspension system and method
JP4333767B2 (ja) * 2007-04-03 2009-09-16 株式会社デンソー 車両制御装置
EP2158415A1 (en) * 2007-05-18 2010-03-03 BFS Diversified Products, LLC Gas spring assembly
US8700191B2 (en) * 2007-11-26 2014-04-15 The Boeing Company Controlled application of external forces to a structure for precision leveling and securing
US7963547B2 (en) * 2008-02-01 2011-06-21 Deere & Company Articulated vehicle stabilization system
US8839920B2 (en) 2008-04-17 2014-09-23 Levant Power Corporation Hydraulic energy transfer
US20100109277A1 (en) * 2008-11-06 2010-05-06 Furrer Fredrick J Adjustable Monotube Shock Absorber
US8075002B1 (en) * 2008-11-18 2011-12-13 Am General Llc Semi-active suspension system
DE102009009562A1 (de) * 2009-02-19 2010-09-09 Integrated Dynamics Engineering Gmbh Kombinierter Bewegungssensor zum Einsatz in Feedback-Regelsystemen zur Schwingungsisolation
AU2010256837B2 (en) 2009-06-01 2013-01-17 Firestone Industrial Products Company, Llc Height control module, gas spring assembly and method
US8774971B2 (en) 2010-02-01 2014-07-08 The Boeing Company Systems and methods for structure contour control
US9035477B2 (en) 2010-06-16 2015-05-19 Levant Power Corporation Integrated energy generating damper
WO2012006294A1 (en) 2010-07-05 2012-01-12 Fluid Ride Ltd. Suspension strut for a vehicle
US8448962B2 (en) 2010-08-26 2013-05-28 General Electric Company Systems and methods providing variable spring stiffness for weight management in a rail vehicle
JP5212445B2 (ja) * 2010-09-17 2013-06-19 トヨタ自動車株式会社 操舵装置及びキックバック判定装置
US9574582B2 (en) 2012-04-23 2017-02-21 Fluid Ride, Ltd. Hydraulic pump system and method of operation
US8868294B2 (en) 2012-09-28 2014-10-21 Firestone Industrial Products Company, Llc Adjustable hysteresis circuit for control of air suspension
US9428022B2 (en) * 2012-10-17 2016-08-30 Air Lift Company System and method for controlling a fluid suspension system
EP2759735B1 (de) * 2013-01-29 2016-06-15 Integrated Dynamics Engineering GmbH Stationäres Schwingungsisolationssystem sowie Verfahren zur Regelung eines Schwingungsisolationssystems
EP2765325B1 (en) * 2013-02-08 2018-04-04 ContiTech USA, Inc. Air spring with stepper motor driven pneumatic valve
US9702349B2 (en) 2013-03-15 2017-07-11 ClearMotion, Inc. Active vehicle suspension system
EP4450845A3 (en) 2013-03-15 2025-01-01 ClearMotion, Inc. Active vehicle suspension improvements
US8840118B1 (en) 2013-03-15 2014-09-23 Levant Power Corporation Active suspension with on-demand energy flow
US9174508B2 (en) 2013-03-15 2015-11-03 Levant Power Corporation Active vehicle suspension
WO2014176371A2 (en) 2013-04-23 2014-10-30 Levant Power Corporation Active suspension with structural actuator
US10377371B2 (en) 2014-04-02 2019-08-13 ClearMotion, Inc. Active safety suspension system
US9702424B2 (en) 2014-10-06 2017-07-11 ClearMotion, Inc. Hydraulic damper, hydraulic bump-stop and diverter valve
US10024762B2 (en) 2014-11-19 2018-07-17 Cnh Industrial America Llc System and method for active control of wheel dynamics
US10875375B2 (en) * 2015-01-23 2020-12-29 ClearMotion, Inc. Method and apparatus for controlling an actuator
GB2540579B (en) 2015-07-22 2020-03-18 Ford Global Tech Llc A component mount
US20170096041A1 (en) * 2015-10-06 2017-04-06 Thomas-Dempsey Motors, Inc. Active Vehicle Suspension System
US10241215B2 (en) * 2015-11-19 2019-03-26 Agjunction Llc Sensor alignment calibration
US20170305398A1 (en) * 2016-04-22 2017-10-26 Hon Hai Precision Industry Co., Ltd. Brake assistant control system and method thereof
US10040327B2 (en) 2016-05-10 2018-08-07 Deere & Company Oscillation control system and method
US9670979B1 (en) 2016-05-13 2017-06-06 Liquidspring Technologies, Inc. Resilient expandable pressure vessel
WO2018148689A1 (en) * 2017-02-12 2018-08-16 ClearMotion, Inc. Hydraulic actuator a frequency dependent relative pressure ratio
US10926599B2 (en) * 2017-12-01 2021-02-23 Divergent Technologies, Inc. Suspension systems using hydraulic dampers
DE102019201444B4 (de) * 2019-02-05 2021-09-09 Continental Teves Ag & Co. Ohg Verfahren zum Betreiben einer Luftfederungsanlage und eine Luftfederungsanlage
CN110626140B (zh) * 2019-10-18 2021-11-09 安路普（北京）汽车技术有限公司 一种调节悬架系统高度的方法和系统
EP4169822A4 (en) * 2020-06-23 2024-03-27 Hitachi Astemo, Ltd. Calibration device, suspension system, saddle-type vehicle, and calibration method
JP7294257B2 (ja) * 2020-07-07 2023-06-20 株式会社豊田自動織機 産業車両のアクスル用シリンダブーツ
US11932340B2 (en) * 2020-12-04 2024-03-19 Robert Bosch Llc Suspension pre-load management system
US11787255B2 (en) * 2021-09-20 2023-10-17 Caterpillar Inc. Suspension system with individual ride height and dampening control
KR102696060B1 (ko) * 2022-06-30 2024-08-19 현대모비스 주식회사 차고 조절장치
IT202300005127A1 (it) * 2023-03-17 2024-09-17 Judmax Di Pastore Massimiliano Un sistema ed il relativo metodo per la regolazione istantanea del grado di rigidita’ di una o piu’ sospensioni di un veicolo, preferibilmente una motocicletta
US11813912B1 (en) 2023-04-24 2023-11-14 Liquidspring Technologies, Inc. Suspension system for a vehicle
CN118128216B (zh) * 2024-05-06 2024-07-19 四川中震智控科技有限公司 一种用于建筑减震的阻尼器

Family Cites Families (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072701A (en) 1934-08-08 1937-03-02 Lester P Barlow Bottle lock
US2225986A (en) 1938-11-16 1940-12-24 Chrysler Corp Shock absorber
FR933524A (fr) 1946-09-06 1948-04-23 Perfectionnements aux freins de cycles
FR993524A (fr) 1949-06-23 1951-11-02 Carnaud & Forges Procédé de fabrication de corps de boîtes en carton de section non circulaire et boîtes obtenues par ce procédé
US3146862A (en) 1960-09-21 1964-09-01 Daimler Benz Ag Remote controlled fluid-shockabsorber for vehicles
US3483952A (en) 1968-04-15 1969-12-16 Cardwell Westinghouse Co Two-way hydraulic unit
US3618928A (en) 1969-08-14 1971-11-09 Paul H Taylor Resilient cylinder liquid spring
US3933344A (en) 1973-08-23 1976-01-20 Tayco Developments, Inc. Liquid spring-shock absorber assembly
US4031978A (en) 1975-05-28 1977-06-28 Tayco Developments, Inc. Energy absorber unit and energy management system
US4079923A (en) 1976-09-16 1978-03-21 The United States Of America As Represented By The Secretary Of The Army Vehicle suspension employing a liquid spring
JPS53102791A (en) 1977-02-21 1978-09-07 Kyupi Kk Egg inspecting device
US4182529A (en) 1977-06-24 1980-01-08 Tayco Developments, Inc. Vehicle diverting energy absorber bumper system
US4099602A (en) 1977-08-31 1978-07-11 P. L. Porter Company Hydraulic positioner with bidirectional detenting action
US4561641A (en) 1978-09-18 1985-12-31 Clark Equipment Company Off-highway vehicle ride strut and method
US4212087A (en) 1978-11-16 1980-07-15 Mortensen Lavaugh L Prosthetic leg with a hydraulic control
JPS5617754A (en) 1979-07-20 1981-02-19 Hitachi Ltd Vehicle vibration controller
US4305486A (en) 1979-10-11 1981-12-15 Interpart Corporation Dual damping control valve shock absorber
US4333668A (en) * 1979-12-17 1982-06-08 The Bendix Corporation Electronic adaptive ride control system
JPS57160707A (en) 1981-03-31 1982-10-04 Kayaba Ind Co Ltd Hydraulic buffer for vehicle
US4793451A (en) 1982-09-17 1988-12-27 Tayco Developments, Inc. Energy absorber device with plastic casing and screw-in plastic seal
US4513833A (en) 1983-04-06 1985-04-30 Sheldon Daniel F Controlled vehicle damping
US4546960A (en) 1983-06-20 1985-10-15 Gould Inc. Vibration isolation assembly
JPS6064011A (ja) * 1983-09-17 1985-04-12 Nissan Motor Co Ltd 車両におけるサスペンション制御装置
JPS60179315A (ja) 1984-02-28 1985-09-13 Nhk Spring Co Ltd 車両用懸架装置
US4770438A (en) * 1984-01-20 1988-09-13 Nissan Motor Co., Ltd. Automotive suspension control system with road-condition-dependent damping characteristics
JPS60226311A (ja) 1984-04-23 1985-11-11 Nhk Spring Co Ltd 車輛用懸架装置
JPS611521A (ja) 1984-06-14 1986-01-07 Nissan Motor Co Ltd 車両におけるサスペンション制御装置
US4652008A (en) 1984-06-28 1987-03-24 Liquidspring Investors, Ltd. Suspension strut and pivot bearing assembly for vehicle
US4741516A (en) 1984-06-28 1988-05-03 Liquidspring Investors, Ltd. Fluid suspension spring and damper for vehicle suspension system
DE3430045C2 (de) 1984-08-16 1986-07-17 Boge Gmbh, 5208 Eitorf Vorrichtung zur Wegbestimmung eines Kolbens
US4729459A (en) 1984-10-01 1988-03-08 Nippon Soken, Inc. Adjustable damping force type shock absorber
DE3446133A1 (de) 1984-12-18 1986-06-19 Fichtel & Sachs Ag, 8720 Schweinfurt Schwingungsdaempfer mit veraenderbarer daempfkraft
US4638895A (en) 1985-07-05 1987-01-27 Tayco Developments, Inc. Frictionless hydraulic damper and damper-snubber
US4693493A (en) * 1985-10-22 1987-09-15 Toyota Jidosha Kabushiki Kaisha System for vehicle body roll control utilizing steering angle detection
JP2681772B2 (ja) * 1985-11-07 1997-11-26 株式会社豊田中央研究所 振動制御装置
DE3608738C2 (de) 1986-03-15 1993-10-21 Fichtel & Sachs Ag Hydraulischer Schwingungsdämpfer mit einstellbarer Dämpfkraft
JPS62299418A (ja) * 1986-06-20 1987-12-26 Tokico Ltd 車両用サスペンシヨンの制御装置
DE3622634A1 (de) 1986-07-05 1988-01-14 Sachs Systemtechnik Gmbh Daempfkraftveraenderbarer schwingungsdaempfer fuer fahrzeuge
US5316272A (en) 1986-09-12 1994-05-31 Richard J. Meyer Liquid spring vehicular suspension system and associated control apparatus
JPH0625365Y2 (ja) 1987-06-12 1994-07-06 株式会社ユニシアジェックス 車両用アンチスカット制御装置
DE3924918C2 (de) 1988-07-29 2002-07-04 Denso Corp Lagesteuervorrichtung, Fahrzeugaufhängung hiermit und Lagedetektor hierfür
GB2223718B (en) * 1988-09-22 1992-08-26 Speechbond Limited Control arrangement
JP2702535B2 (ja) 1989-01-17 1998-01-21 マツダ株式会社 車両のサスペンション装置
JPH02208107A (ja) 1989-02-06 1990-08-17 Honda Motor Co Ltd アクティブサスペンション制御装置
JP2584318B2 (ja) * 1989-07-14 1997-02-26 マツダ株式会社 車両のサスペンション装置
WO1991004877A1 (en) * 1989-09-29 1991-04-18 Towerhill Holdings Pty Ltd Interconnected fluid suspension for vehicles
US5018756A (en) 1989-10-23 1991-05-28 Ridewell Corporation Control for self steering suspension assembly
US5020826A (en) * 1989-11-06 1991-06-04 Southwest Research Institute Vehicle suspension system
US5097419A (en) 1990-06-08 1992-03-17 Monroe Auto Equipment Company Method and apparatus for dynamic leveling
US5265704A (en) 1990-08-07 1993-11-30 Robert Bosch Gmbh Apparatus for damping courses of motion
JP2541353B2 (ja) * 1990-09-18 1996-10-09 三菱自動車工業株式会社 車両用アクティブサスペンション装置
US5152547A (en) 1990-11-02 1992-10-06 Davis Leo W Dual piston strut
DE4139711C2 (de) * 1990-11-30 1996-09-12 Aisin Seiki Dämpfungskraft-Regelvorrichtung für ein Aufhängungssystem
US5102161A (en) * 1991-03-07 1992-04-07 Trw Inc. Semi-active suspension system with energy saving valve
US5099884A (en) * 1991-05-24 1992-03-31 Ntn Technical Center (U.S.A.), Inc. Electrorheological fluid plate valve
JPH07501285A (ja) * 1991-12-06 1995-02-09 デイヴィス，レオ・ダブリュー 複式ピストンストラット
AU6493294A (en) * 1993-03-30 1994-10-24 Meyer, Richard J. Liquid spring vehicular suspension system
US5297653A (en) 1993-04-05 1994-03-29 Wurtz Henry J Pickup truck mounted lift apparatus
DE4337772A1 (de) * 1993-11-05 1995-05-11 Fichtel & Sachs Ag Verfahren zum Erkennen einer Kurvenfahrt
GB2284113A (en) * 1993-11-22 1995-05-24 Ford Motor Co Reducing overall electrical ripple when driving a plurality of elements
US6293530B1 (en) 1995-01-10 2001-09-25 Liquidspring Technologies, Inc. Compressible liquid vibration control system
US6305673B1 (en) 1994-07-26 2001-10-23 Liquidspring Technologies, Inc. Vibration control system
JPH1178465A (ja) * 1997-09-10 1999-03-23 Nissan Motor Co Ltd ロール剛性制御装置
US6679504B2 (en) * 2001-10-23 2004-01-20 Liquidspring Technologies, Inc. Seamless control of spring stiffness in a liquid spring system

Also Published As

Publication number Publication date
EP1446592B1 (en) 2010-08-04
ATE476306T1 (de) 2010-08-15
JP2005507062A (ja) 2005-03-10
AU2002363060A1 (en) 2003-05-06
EP1446592A2 (en) 2004-08-18
US20030075881A1 (en) 2003-04-24
US7891673B2 (en) 2011-02-22
US20080048405A1 (en) 2008-02-28
WO2003036125A3 (en) 2003-09-18
US20100044978A1 (en) 2010-02-25
US6679504B2 (en) 2004-01-20
WO2003036125A2 (en) 2003-05-01
EP1446592A4 (en) 2005-07-20

Similar Documents

Publication Publication Date Title
DE60237226D1 (de) Nahtlose steuerung von federsteife in einem flüssigkeitsfedersystem
CN104165204B (zh) 压电陶瓷与磁流变液组合的馈能式阻尼器
BR0202481A (pt) Circuito hidráulico para controlar a suspensão de um veìculo e método
BR8606610A (pt) Amortecedor giratorio,suspensao de veiculo e controle operado manualmente
BR0203729A (pt) Absorvedor de choque com amortecimento ajustável de pressão de ar
BRPI0507605A (pt) amortecedor dependente da freqüência controlado eletricamente
EP0945643A3 (en) Fluid-filled active vibration damping device including oscillating member oscillated by actuator controlled with pulse signal
ES2028373T3 (es) Valvula pilotada hidraulicamente.
WO2002045980A3 (en) Compressible fluid strut
SE0002453D0 (sv) Tryckberoende reagerande ventil, särskilt för en svängningsdämpare
DE50112738D1 (de) Passives kraftelement auf basis elektrorheologischer flüssigkeiten
KR950704133A (ko) 가변적 높이 조절 차량 현가장치(variable ride height vehicle suspension system)
DE60138736D1 (de) Aufhängungssystem
CN100455843C (zh) 磁流变式调谐液柱阻尼器
CN204025500U (zh) 压电陶瓷与磁流变液组合的馈能式阻尼器
GB2423130A (en) Air pressure proportional damper
AU2003258603A1 (en) Controllable piston valve and/or flap valve for a vibration damper
CA2340437A1 (en) Vehicle/bridge vibration mitigation assembly
CN105665161A (zh) 感应多功能花洒
IT1311114B1 (it) Sospensione pneumatica ammortizzata auto - regolante per veicoli erelativo ammortizzatore.
ATE541727T1 (de) Federungs- und dämpfungseinrichtung für kraftfahrzeuge
ATE503643T1 (de) Mittelstellungssuchendes aufhängungssystem
JPS6018630A (ja) ステアリングダンパ装置
JPS63251312A (ja) 車両のサスペンシヨン装置
JPH0312034U (enExample)