DE69841436D1 - Lastaufhängungssystem - Google Patents

Lastaufhängungssystem

Info

Publication number
DE69841436D1
DE69841436D1 DE69841436T DE69841436T DE69841436D1 DE 69841436 D1 DE69841436 D1 DE 69841436D1 DE 69841436 T DE69841436 T DE 69841436T DE 69841436 T DE69841436 T DE 69841436T DE 69841436 D1 DE69841436 D1 DE 69841436D1
Authority
DE
Germany
Prior art keywords
suspension system
last suspension
last
suspension
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
DE69841436T
Other languages
English (en)
Inventor
Bo Vigholm
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.)
Volvo Wheel Loaders AB
Original Assignee
Volvo Wheel Loaders AB
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 Volvo Wheel Loaders AB filed Critical Volvo Wheel Loaders AB
Application granted granted Critical
Publication of DE69841436D1 publication Critical patent/DE69841436D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69841436T 1997-09-30 1998-09-25 Lastaufhängungssystem Expired - Lifetime DE69841436D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703539A SE511039C2 (sv) 1997-09-30 1997-09-30 Lastarmsfjädringssystem för dämpning av lastarmarsrörelse
PCT/SE1998/001723 WO1999016981A1 (en) 1997-09-30 1998-09-25 Load suspension system

Publications (1)

Publication Number Publication Date
DE69841436D1 true DE69841436D1 (de) 2010-02-25

Family

ID=20408436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841436T Expired - Lifetime DE69841436D1 (de) 1997-09-30 1998-09-25 Lastaufhängungssystem

Country Status (10)

Country Link
US (1) US6279316B1 (de)
EP (1) EP1027503B1 (de)
JP (1) JP4031906B2 (de)
KR (1) KR100605300B1 (de)
AU (1) AU9291298A (de)
BR (1) BR9813231A (de)
DE (1) DE69841436D1 (de)
NO (1) NO20001507L (de)
SE (1) SE511039C2 (de)
WO (1) WO1999016981A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913784A1 (de) * 1999-03-26 2000-09-28 Mannesmann Rexroth Ag Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine
US6634653B2 (en) * 2001-07-17 2003-10-21 Probir Chatterjea & Associates, Inc. Ride control system for construction equipment
DE10148962C1 (de) * 2001-10-04 2003-02-27 Hydac Technology Gmbh Steuervorrichtung
US6655136B2 (en) * 2001-12-21 2003-12-02 Caterpillar Inc System and method for accumulating hydraulic fluid
DE10305790A1 (de) * 2003-02-07 2004-08-26 Hydac System Gmbh Federungsvorrichtung
DE102004010053A1 (de) * 2004-03-02 2005-09-29 Hydac System Gmbh Federungsvorrichtung
US20070068754A1 (en) * 2005-09-26 2007-03-29 Furgala George W Gas-biased hydraulic cylinder
WO2009067052A1 (en) * 2007-11-21 2009-05-28 Volvo Construction Equipment Ab System, working machine comprising the system, and method of springing an implement of a working machine during transport
JP5885308B2 (ja) * 2010-08-09 2016-03-15 パーカー ハニフィン マニファクチャリング スウェーデン アクチボラグ 液圧制御システム
EP2694747B1 (de) 2011-04-08 2018-03-14 Volvo Construction Equipment AB Anordnung zum laden eines akkumulators
DE102014000696A1 (de) * 2014-01-14 2015-07-16 Hydac System Gmbh Vorrichtung zum Sperren und zum Druckanpassen
EP3337930B1 (de) 2015-08-19 2020-11-18 Volvo Construction Equipment AB Hydrauliksystem und verfahren zum bewegen eines arbeitsgeräts einer arbeitsmaschine
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 (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122246A (en) 1960-11-09 1964-02-25 Caterpillar Tractor Co Hydraulic circuit for tractor mounted loaders
US4046270A (en) 1974-06-06 1977-09-06 Marion Power Shovel Company, Inc. Power shovel and crowd system therefor
US4085587A (en) 1975-11-03 1978-04-25 Leslie H. Garlinghouse Fail safe liquid power device
IT1073144B (it) 1976-10-28 1985-04-13 Welko Ind Spa Apparecchiatura idraulica per l'alimentazione di liquido a due differenti pressioni ad un dispositivo idraulico
JPS58121305A (ja) 1982-01-11 1983-07-19 Kobe Steel Ltd 油圧シリンダの伸縮保持用油圧回路
US4738101A (en) 1985-10-11 1988-04-19 Kubik Philip A Fluid system having a hydraulic counterbalance system
WO1990005814A1 (en) 1988-11-23 1990-05-31 A & T Hansson Konsult Ab Shock absorbing device for a mobile machine
DE3909205C1 (de) 1989-03-21 1990-05-23 Hanomag Ag, 3000 Hannover, De
US5195864A (en) * 1991-08-28 1993-03-23 Case Corporation Hydraulic system for a wheel loader
US5147172A (en) 1991-09-03 1992-09-15 Caterpillar Inc. Automatic ride control
DE4129509C2 (de) 1991-09-05 1994-06-16 Rexroth Mannesmann Gmbh Hydraulische Steueranordnung für Baumaschinen
SK368091A3 (en) * 1991-12-04 1994-05-11 Frantisek Krnavek Device for potential energy recuperation of working device of building or earth machine
US5520499A (en) 1994-07-12 1996-05-28 Caterpillar Inc. Programmable ride control
SE9503860D0 (sv) 1995-11-01 1995-11-01 Alf Wincent Arrangemang för förbättrad dämpning och reglerbart flytläge på lastmaskiner
DE19608758A1 (de) * 1996-03-07 1997-09-11 Rexroth Mannesmann Gmbh Hydraulische Ventilanordnung
US5733095A (en) 1996-10-01 1998-03-31 Caterpillar Inc. Ride control system

Also Published As

Publication number Publication date
EP1027503A1 (de) 2000-08-16
SE9703539L (sv) 1999-03-31
JP2001518582A (ja) 2001-10-16
US6279316B1 (en) 2001-08-28
NO20001507D0 (no) 2000-03-23
SE9703539D0 (sv) 1997-09-30
WO1999016981A1 (en) 1999-04-08
KR20010030795A (ko) 2001-04-16
SE511039C2 (sv) 1999-07-26
BR9813231A (pt) 2000-08-29
AU9291298A (en) 1999-04-23
KR100605300B1 (ko) 2006-07-26
NO20001507L (no) 2000-03-23
EP1027503B1 (de) 2010-01-06
JP4031906B2 (ja) 2008-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition