DE19931027A1 - Fahrsteuerung mit variabler Rate - Google Patents

Fahrsteuerung mit variabler Rate

Info

Publication number
DE19931027A1
DE19931027A1 DE19931027A DE19931027A DE19931027A1 DE 19931027 A1 DE19931027 A1 DE 19931027A1 DE 19931027 A DE19931027 A DE 19931027A DE 19931027 A DE19931027 A DE 19931027A DE 19931027 A1 DE19931027 A1 DE 19931027A1
Authority
DE
Germany
Prior art keywords
accumulator
valve
arrangement
pressure
control system
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.)
Withdrawn
Application number
DE19931027A
Other languages
German (de)
English (en)
Inventor
Andrew Hatcher
Patrick Quinn
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.)
Caterpillar Inc
Original Assignee
Caterpillar 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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE19931027A1 publication Critical patent/DE19931027A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical control means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE19931027A 1998-07-06 1999-07-06 Fahrsteuerung mit variabler Rate Withdrawn DE19931027A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/110,493 US6167701B1 (en) 1998-07-06 1998-07-06 Variable rate ride control

Publications (1)

Publication Number Publication Date
DE19931027A1 true DE19931027A1 (de) 2000-02-24

Family

ID=22333311

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19931027A Withdrawn DE19931027A1 (de) 1998-07-06 1999-07-06 Fahrsteuerung mit variabler Rate

Country Status (3)

Country Link
US (1) US6167701B1 (enExample)
JP (1) JP2000035004A (enExample)
DE (1) DE19931027A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7089734B2 (en) 2000-05-25 2006-08-15 J.C. Bamford Excavators Limited Hydraulic system for wheeled loader
DE102014000696A1 (de) * 2014-01-14 2015-07-16 Hydac System Gmbh Vorrichtung zum Sperren und zum Druckanpassen
DE102017004303A1 (de) * 2017-05-04 2018-11-08 Hydac Systems & Services Gmbh Druckspeichersystem

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711769C2 (de) * 1997-03-21 1999-06-02 Mannesmann Rexroth Ag Hydraulische Steueranordnung für eine mobile Arbeitsmaschine insbesondere für einen Radlader
US6357230B1 (en) * 1999-12-16 2002-03-19 Caterpillar Inc. Hydraulic ride control system
DE10133616A1 (de) * 2001-07-13 2003-01-30 Bosch Rexroth Ag Hydraulische Steueranordnung
DE10148962C1 (de) * 2001-10-04 2003-02-27 Hydac Technology Gmbh Steuervorrichtung
NO317430B1 (no) * 2002-02-08 2004-10-25 Master Marine As Fremgangsmate for bruk ved offshore lastoverforing, flyter og hydraulisk innretning for samme
DE10305790A1 (de) * 2003-02-07 2004-08-26 Hydac System Gmbh Federungsvorrichtung
GB2418903B (en) * 2004-10-08 2008-06-25 Caterpillar Inc Ride control circuit for a work machine
JP4685417B2 (ja) * 2004-11-16 2011-05-18 日立建機株式会社 作業車両用液圧制御装置
EP1914353A3 (en) * 2006-10-19 2011-04-20 Hitachi Construction Machinery Co., Ltd. Construction machine
EP2072692B1 (en) * 2007-12-21 2012-08-01 Caterpillar Inc. Machine having selective ride control
US8851237B2 (en) * 2010-04-22 2014-10-07 Bishamon Industries Corporation Variable-capacity self-adjusting pneumatic load elevator
CA2814728A1 (en) 2010-10-15 2012-04-19 Eaton Corporation Hybrid hydraulic systems for industrial processes
KR20130137173A (ko) 2010-10-18 2013-12-16 이턴 코포레이션 병렬 구조의 어큐뮬레이터를 구비한 유압 구동 회로
FR2971023B1 (fr) * 2011-01-31 2014-07-11 Poclain Hydraulics Ind Dispositif de transmission hydraulique permettant la recuperation d'energie
CN102269189B (zh) * 2011-07-04 2013-03-27 中联重科股份有限公司 液压控制回路
US9091039B2 (en) * 2012-03-02 2015-07-28 Deere & Company Ride control system
JP6579571B2 (ja) * 2015-04-21 2019-09-25 キャタピラー エス エー アール エル 流体圧回路および作業機械
US10246854B2 (en) 2016-10-26 2019-04-02 Wacker Neuson Production Americas Llc Material handling machine with ride control system and method
CN106438514B (zh) * 2016-10-31 2017-12-15 广西柳工机械股份有限公司 装载机侧卸液压系统
CN109563861B (zh) * 2017-03-29 2020-11-20 日立建机株式会社 作业机械
GB2563238B (en) * 2017-06-07 2021-04-28 Caterpillar Sarl Fluid delivery system
EP3908757A1 (en) * 2019-01-08 2021-11-17 Parker Hannifin Corporation Hydraulic control valve with duplicate workports and integrated actuator oscillation control features
US11493060B2 (en) 2019-06-04 2022-11-08 Industries Mailhot Inc. Hydraulic powering system and method of operating a hydraulic powering system
US11781573B2 (en) 2020-07-23 2023-10-10 Parker-Hannifin Corporation System, valve assembly, and methods for oscillation control of a hydraulic machine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738101A (en) 1985-10-11 1988-04-19 Kubik Philip A Fluid system having a hydraulic counterbalance system
JPH0662269B2 (ja) 1989-04-21 1994-08-17 株式会社神戸製鋼所 移動式クレーンの変位抑制装置
JPH0523607A (ja) * 1991-07-24 1993-02-02 Onoda Cement Co Ltd ローラミル加圧装置の油圧回路
DE4129509C2 (de) 1991-09-05 1994-06-16 Rexroth Mannesmann Gmbh Hydraulische Steueranordnung für Baumaschinen
US5189940A (en) * 1991-09-13 1993-03-02 Caterpillar Inc. Method and apparatus for controlling an implement
JPH05272463A (ja) * 1992-03-26 1993-10-19 Nissan Motor Co Ltd 油圧供給装置
JP3360310B2 (ja) * 1992-04-08 2002-12-24 日立建機株式会社 脈動除去装置
JP2915247B2 (ja) * 1992-10-13 1999-07-05 日立建機株式会社 油圧作業機械の振動抑制装置
JP2596166Y2 (ja) * 1993-12-28 1999-06-07 東洋運搬機株式会社 作業車両のダイナミックダンパーの切換装置
US5520499A (en) 1994-07-12 1996-05-28 Caterpillar Inc. Programmable ride control
JPH0978633A (ja) * 1995-09-13 1997-03-25 Komatsu Ltd 車輪式建設機械の走行振動抑制油圧回路
US5992146A (en) * 1996-04-12 1999-11-30 Caterpillar Inc. Variable rate ride control system
US5706657A (en) 1996-04-12 1998-01-13 Caterpillar Inc. Ride control system with an auxiliary power source
US5906089A (en) * 1997-07-17 1999-05-25 Hay & Forage Industries Slave cylinder stabilizer for harvester header
JP3843889B2 (ja) * 2002-05-31 2006-11-08 Ｔｃｍ株式会社 作業車両のダイナミックダンパー

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7089734B2 (en) 2000-05-25 2006-08-15 J.C. Bamford Excavators Limited Hydraulic system for wheeled loader
DE102014000696A1 (de) * 2014-01-14 2015-07-16 Hydac System Gmbh Vorrichtung zum Sperren und zum Druckanpassen
WO2015106777A1 (de) * 2014-01-14 2015-07-23 Hydac System Gmbh Vorrichtung zum sperren und zum druckanpassen
US10145086B2 (en) 2014-01-14 2018-12-04 Hydac System Gmbh Apparatus for blocking and for adjusting a pressure
DE102017004303A1 (de) * 2017-05-04 2018-11-08 Hydac Systems & Services Gmbh Druckspeichersystem

Also Published As

Publication number Publication date
US6167701B1 (en) 2001-01-02
JP2000035004A (ja) 2000-02-02

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee