DE602004011077D1 - Niveauregulierung - Google Patents

Niveauregulierung

Info

Publication number
DE602004011077D1
DE602004011077D1 DE602004011077T DE602004011077T DE602004011077D1 DE 602004011077 D1 DE602004011077 D1 DE 602004011077D1 DE 602004011077 T DE602004011077 T DE 602004011077T DE 602004011077 T DE602004011077 T DE 602004011077T DE 602004011077 D1 DE602004011077 D1 DE 602004011077D1
Authority
DE
Germany
Prior art keywords
loader
hydraulic cylinder
hydraulic
arm assembly
hydraulic 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.)
Active
Application number
DE602004011077T
Other languages
English (en)
Other versions
DE602004011077T2 (de
Inventor
Gordon Martyn
Bengt Goeran Persson
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.)
Parker Hannifin AB
Original Assignee
Parker Hannifin 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 Parker Hannifin AB filed Critical Parker Hannifin AB
Publication of DE602004011077D1 publication Critical patent/DE602004011077D1/de
Application granted granted Critical
Publication of DE602004011077T2 publication Critical patent/DE602004011077T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic devices or systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
DE602004011077T 2004-11-12 2004-11-12 Niveauregulierung Active DE602004011077T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04026904A EP1657213B1 (de) 2004-11-12 2004-11-12 Niveauregulierung

Publications (2)

Publication Number Publication Date
DE602004011077D1 true DE602004011077D1 (de) 2008-02-14
DE602004011077T2 DE602004011077T2 (de) 2009-01-02

Family

ID=34927361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011077T Active DE602004011077T2 (de) 2004-11-12 2004-11-12 Niveauregulierung

Country Status (3)

Country Link
EP (1) EP1657213B1 (de)
AT (1) ATE382579T1 (de)
DE (1) DE602004011077T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004056418B4 (de) * 2004-11-23 2013-02-28 Deere & Company Hydraulische Anordnung
FR2918684B1 (fr) * 2007-07-10 2012-08-03 Etude Et D Innovation Dans Le Materiel Agricole Soc D Circuit de commande hydraulique d'un verin de levage a double effet
WO2011073721A1 (en) * 2009-12-17 2011-06-23 Volvo Compact Equipment Sas Construction equipment machine with improved boom suspension
JP2012225391A (ja) * 2011-04-18 2012-11-15 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
US8858151B2 (en) * 2011-08-16 2014-10-14 Caterpillar Inc. Machine having hydraulically actuated implement system with down force control, and method
CN202926765U (zh) * 2012-05-22 2013-05-08 山河智能装备股份有限公司 工作装置势能回收液压***
US20150047331A1 (en) * 2013-08-14 2015-02-19 Caterpillar Inc. Hydraulic system for machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5513491A (en) * 1991-09-04 1996-05-07 O&K Orenstein & Koppel Ag Hydraulic vibration damping system for machines provided with tools
GB2365407B (en) * 2000-05-25 2003-10-08 Bamford Excavators Ltd Hydraulic system for wheeled loader

Also Published As

Publication number Publication date
EP1657213B1 (de) 2008-01-02
DE602004011077T2 (de) 2009-01-02
ATE382579T1 (de) 2008-01-15
EP1657213A1 (de) 2006-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition