ATE380307T1 - Hydraulischer dämpfer mit dämpfungskoeffizientumschaltung - Google Patents

Hydraulischer dämpfer mit dämpfungskoeffizientumschaltung

Info

Publication number
ATE380307T1
ATE380307T1 AT03813482T AT03813482T ATE380307T1 AT E380307 T1 ATE380307 T1 AT E380307T1 AT 03813482 T AT03813482 T AT 03813482T AT 03813482 T AT03813482 T AT 03813482T AT E380307 T1 ATE380307 T1 AT E380307T1
Authority
AT
Austria
Prior art keywords
damping coefficient
piston
hydraulic damper
drive means
flow regulating
Prior art date
Application number
AT03813482T
Other languages
English (en)
Inventor
Yoshinori Matsunaga
Haruhiko Kurino
Original Assignee
Kajima 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 Kajima Corp filed Critical Kajima Corp
Application granted granted Critical
Publication of ATE380307T1 publication Critical patent/ATE380307T1/de

Links

Classifications

    • 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
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of fluid dampers
    • 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
    • B60G17/015—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 the regulating means comprising electric or electronic elements
    • B60G17/0152—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 the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0237—Structural braces with damping devices
    • 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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/20—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
    • 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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • 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
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/154—Fluid spring with an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/413—Hydraulic actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/414—Fluid actuator using electrohydraulic valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/415—Fluid actuator using other types of valves, e.g. mechanically operated valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/11—Damping valves
    • B60G2500/114—Damping valves pressure regulating valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/201—Air spring system type
    • B60G2500/2014—Closed systems
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/028—Earthquake withstanding shelters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)
  • Multiple-Way Valves (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AT03813482T 2003-02-05 2003-02-05 Hydraulischer dämpfer mit dämpfungskoeffizientumschaltung ATE380307T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/001170 WO2004070230A1 (ja) 2003-02-05 2003-02-05 減衰係数切替型油圧ダンパ

Publications (1)

Publication Number Publication Date
ATE380307T1 true ATE380307T1 (de) 2007-12-15

Family

ID=32843969

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03813482T ATE380307T1 (de) 2003-02-05 2003-02-05 Hydraulischer dämpfer mit dämpfungskoeffizientumschaltung

Country Status (5)

Country Link
US (2) US7143875B2 (de)
EP (1) EP1653118B1 (de)
AT (1) ATE380307T1 (de)
DE (1) DE60317947T2 (de)
WO (1) WO2004070230A1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4815454B2 (ja) * 2007-03-14 2011-11-16 カヤバ工業株式会社 緩衝器
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
US10047817B2 (en) 2009-01-07 2018-08-14 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
US20100170760A1 (en) 2009-01-07 2010-07-08 John Marking Remotely Operated Bypass for a Suspension Damper
FR2933951B1 (fr) * 2008-07-21 2010-09-24 Veleance Mecanisme de controle d'inclinaison
FR2933950B1 (fr) * 2008-07-21 2011-02-11 Veleance Dispositif mecanique de controle d'inclinaison
US10036443B2 (en) 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US9038791B2 (en) 2009-01-07 2015-05-26 Fox Factory, Inc. Compression isolator for a suspension damper
US11299233B2 (en) 2009-01-07 2022-04-12 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8616351B2 (en) 2009-10-06 2013-12-31 Tenneco Automotive Operating Company Inc. Damper with digital valve
JP2011080535A (ja) * 2009-10-07 2011-04-21 Kyb Co Ltd 免震装置
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
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
CN102678813B (zh) * 2012-05-24 2013-06-26 中联重科股份有限公司 缓冲装置及具有该缓冲装置的臂架的防后倾装置
US20140033909A1 (en) * 2012-08-03 2014-02-06 Robert M. Murphy Methods and apparatus to control movement of a component
WO2014093867A2 (en) 2012-12-14 2014-06-19 Ohio University Resetting semi-passive stiffness damper and methods of use thereof
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
WO2014134500A1 (en) 2013-02-28 2014-09-04 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9217483B2 (en) 2013-02-28 2015-12-22 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
US9163691B2 (en) 2013-03-15 2015-10-20 Tenneco Automotive Operating Company Inc. Rod guide arrangement for electronically controlled valve applications
WO2014144110A1 (en) 2013-03-15 2014-09-18 Tenneco Automotive Operating Company Inc. Rod guide assembly with multi-piece valve assembly
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
CN103952969B (zh) * 2014-04-29 2015-10-28 中国铁道科学研究院铁道建筑研究所 智能速度锁定装置
JP6463948B2 (ja) * 2014-11-07 2019-02-06 Ｋｙｂ株式会社 サスペンション装置
JP6402699B2 (ja) * 2015-10-09 2018-10-10 Ｊｆｅスチール株式会社 制振装置
US10737546B2 (en) 2016-04-08 2020-08-11 Fox Factory, Inc. Electronic compression and rebound control
DE102016124437A1 (de) * 2016-12-15 2018-06-21 Linde Hydraulics Gmbh & Co. Kg Steuerventil mit Dämpfungseinrichtung
DE102017111157B3 (de) 2017-05-22 2018-06-21 Kendrion (Villingen) Gmbh Regelbarer Schwingungsdämpfer
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
GB2566543B (en) * 2017-09-19 2020-02-05 Jaguar Land Rover Ltd An actuator system
GB2566546B (en) * 2017-09-19 2019-12-18 Jaguar Land Rover Ltd An actuator system
DE102017220081A1 (de) * 2017-11-10 2019-05-16 Zf Friedrichshafen Ag Verstellbarer Schwingungsdämpfer
DE102019105707B3 (de) 2019-01-09 2020-06-04 Kendrion (Villingen) Gmbh Druckregelventil und Vorrichtung mit einem derartigen Druckregelventil zum Steuern oder Regeln eines Drucks eines Druckfluids in einem Pilotdruckraum
DE102019105708B4 (de) 2019-03-06 2022-05-05 Kendrion (Villingen) Gmbh Druckregelventil und Vorrichtung mit einem derartigen Druckregelventil zum Steuern oder Regeln eines Drucks eines Druckfluids in einem Pilotdruckraum
DE102019106494B4 (de) 2019-03-14 2022-05-05 Kendrion (Villingen) Gmbh Druckregelventil und Vorrichtung mit einem derartigen Druckregelventil zum Steuern oder Regeln eines Drucks eines Druckfluids in einem Pilotdruckraum
CN110594228B (zh) * 2019-10-09 2024-06-07 山东泰丰智能控制股份有限公司 一种自动缓冲切换的振动台液压系统
CN113685482B (zh) * 2021-08-11 2022-11-25 宁波佳尔灵气动机械有限公司 一种双向电磁阀

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561574A (en) * 1969-04-25 1971-02-09 Mcdowell Wellman Eng Co Fluid flow control device
US4084668A (en) * 1975-06-05 1978-04-18 United Technologies Corporation Redundant damper seals
GB2156487B (en) * 1984-03-28 1987-06-24 Xomox Corp A rotary valve operating mechanism
US4597566A (en) * 1985-04-10 1986-07-01 Flex-O-Lators, Inc. Spring deck for upholstered seating
US5147018A (en) * 1989-03-02 1992-09-15 Kajima Corporation Cylinder lock device for use in structure
JP2603391B2 (ja) * 1991-12-25 1997-04-23 鹿島建設株式会社 制震構造物用可変減衰装置
JPH08260746A (ja) 1995-03-20 1996-10-08 Kayaba Ind Co Ltd 構造物の制振用減衰装置
JP2900831B2 (ja) 1995-05-08 1999-06-02 鹿島建設株式会社 減衰係数自動調整型制震装置
JP3085885B2 (ja) 1995-09-04 2000-09-11 鹿島建設株式会社 制震構造物用可変減衰装置
US5558190A (en) * 1995-10-06 1996-09-24 Chang; John Damping device adapted for use in exercise apparatus
JP2959554B1 (ja) 1998-05-22 1999-10-06 鹿島建設株式会社 制震用油圧ダンパおよび制震構造物
JP4198308B2 (ja) 2000-08-14 2008-12-17 カヤバ工業株式会社 制振用ダンパ及び制振システム

Also Published As

Publication number Publication date
US20060231359A1 (en) 2006-10-19
EP1653118A1 (de) 2006-05-03
EP1653118A4 (de) 2006-06-21
EP1653118B1 (de) 2007-12-05
DE60317947D1 (de) 2008-01-17
DE60317947T2 (de) 2008-11-27
US7143875B2 (en) 2006-12-05
US20050016086A1 (en) 2005-01-27
US7234574B2 (en) 2007-06-26
WO2004070230A1 (ja) 2004-08-19

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