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SE9700297D0 - Device for hydraulically operated work tools - Google Patents

Device for hydraulically operated work tools

Info

Publication number
SE9700297D0
SE9700297D0 SE9700297A SE9700297A SE9700297D0 SE 9700297 D0 SE9700297 D0 SE 9700297D0 SE 9700297 A SE9700297 A SE 9700297A SE 9700297 A SE9700297 A SE 9700297A SE 9700297 D0 SE9700297 D0 SE 9700297D0
Authority
SE
Sweden
Prior art keywords
hydraulic
accumulator
hydraulically operated
work tools
operated work
Prior art date
Application number
SE9700297A
Other languages
Swedish (sv)
Inventor
Lars Bruun
Original Assignee
Lars Bruun
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 Lars Bruun filed Critical Lars Bruun
Priority to SE9700297A priority Critical patent/SE9700297D0/en
Publication of SE9700297D0 publication Critical patent/SE9700297D0/en
Priority to AU58877/98A priority patent/AU5887798A/en
Priority to PCT/SE1998/000072 priority patent/WO1998033989A1/en

Links

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)

Abstract

The present invention relates to a device for a hydraulic system, which system comprises a number of hydraulic cylinders (20, 11) and a number of accumulators (27, 40), pre-charged at a certain pressure, which communicate via connections (25, 42) with one side of the hydraulic cylinders, in which the force in one movement direction of the cylinder is obtained mainly from the energy stored in the accumulator. The invention is characterized in that a hydraulic line (26, 84) is connected to said connection between accumulator and hydraulic cylinder, capable of supplying hydraulic oil at a pressure which is equal to or somewhat below the selected pre-charging pressure in the accumulator.
SE9700297A 1997-01-31 1997-01-31 Device for hydraulically operated work tools SE9700297D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9700297A SE9700297D0 (en) 1997-01-31 1997-01-31 Device for hydraulically operated work tools
AU58877/98A AU5887798A (en) 1997-01-31 1998-01-19 Device for hydraulically operated working machine
PCT/SE1998/000072 WO1998033989A1 (en) 1997-01-31 1998-01-19 Device for hydraulically operated working machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700297A SE9700297D0 (en) 1997-01-31 1997-01-31 Device for hydraulically operated work tools

Publications (1)

Publication Number Publication Date
SE9700297D0 true SE9700297D0 (en) 1997-01-31

Family

ID=20405586

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700297A SE9700297D0 (en) 1997-01-31 1997-01-31 Device for hydraulically operated work tools

Country Status (3)

Country Link
AU (1) AU5887798A (en)
SE (1) SE9700297D0 (en)
WO (1) WO1998033989A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004032868A1 (en) 2004-07-07 2006-02-09 Liebherr-Hydraulikbagger Gmbh Excavator and machine for material handling
DE102008034582A1 (en) * 2008-07-24 2010-01-28 Liebherr-Hydraulikbagger Gmbh implement
FR2941976B1 (en) 2009-02-09 2011-03-11 Manu Lorraine HYDRAULIC SYSTEM OF HANDLING OR EARTHING EQUIPMENT WITH ENERGY ACCUMULATOR
DE102010032415A1 (en) * 2010-07-27 2012-02-02 Hydac Technology Gmbh Apparatus for recovering energy
RU2558712C2 (en) 2011-03-21 2015-08-10 Шуанлай ЯН Lifting gear and method of lifting of construction vehicle boom and construction vehicle with such lifting gear
WO2014017958A1 (en) * 2012-07-26 2014-01-30 Volvo Construction Equipment Ab Balanced linkage
GB2588116B (en) * 2019-10-07 2022-02-23 Caterpillar Global Mining Llc Method and apparatus for operating a machine work tool
IT201900020685A1 (en) * 2019-11-12 2021-05-12 De Hieronymis Carlo Maria Rozzi HYDRAULIC EQUIPMENT, AND RELATIVE METHOD, FOR THE RECOVERY OF ENERGY IN AN OPERATING MACHINE
IT202200021603A1 (en) * 2022-10-20 2024-04-20 Jekko Innovation Center S R L IMPROVED TELESCOPIC EXTENSION FOR CRANES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1180680B (en) * 1962-03-30 1964-10-29 Gewerk Eisenhuette Westfalia Shovel loading machine
DE3909205C1 (en) * 1989-03-21 1990-05-23 Hanomag Ag, 3000 Hannover, De
FI99110C (en) * 1993-06-01 1997-10-10 Kone Oy Method of operating an elevator and elevator machinery

Also Published As

Publication number Publication date
WO1998033989A1 (en) 1998-08-06
AU5887798A (en) 1998-08-25

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