IT1204123B - REGULATING DEVICE WITH CONTROL VALVES CONSTITUTED BY TWO CONTROL BLOCKS FOR DIFFERENT HYDRAULIC OPERATIONS, IN PARTICULAR FOR MOBILE EQUIPMENT - Google Patents

REGULATING DEVICE WITH CONTROL VALVES CONSTITUTED BY TWO CONTROL BLOCKS FOR DIFFERENT HYDRAULIC OPERATIONS, IN PARTICULAR FOR MOBILE EQUIPMENT

Info

Publication number
IT1204123B
IT1204123B IT03352/86A IT335286A IT1204123B IT 1204123 B IT1204123 B IT 1204123B IT 03352/86 A IT03352/86 A IT 03352/86A IT 335286 A IT335286 A IT 335286A IT 1204123 B IT1204123 B IT 1204123B
Authority
IT
Italy
Prior art keywords
regulating device
mobile equipment
control
different hydraulic
control valves
Prior art date
Application number
IT03352/86A
Other languages
Italian (it)
Other versions
IT8603352A0 (en
Inventor
Herbert Blendinger
Original Assignee
Rexroth Mannesmann Gmbh
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 Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Publication of IT8603352A0 publication Critical patent/IT8603352A0/en
Application granted granted Critical
Publication of IT1204123B publication Critical patent/IT1204123B/en

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
    • E02F9/2221—Control of flow rate; Load sensing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
IT03352/86A 1985-03-08 1986-03-07 REGULATING DEVICE WITH CONTROL VALVES CONSTITUTED BY TWO CONTROL BLOCKS FOR DIFFERENT HYDRAULIC OPERATIONS, IN PARTICULAR FOR MOBILE EQUIPMENT IT1204123B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853508339 DE3508339A1 (en) 1985-03-08 1985-03-08 Control valve arrangement, consisting of two control blocks, for several hydraulic drives, in particular of mobile appliances

Publications (2)

Publication Number Publication Date
IT8603352A0 IT8603352A0 (en) 1986-03-07
IT1204123B true IT1204123B (en) 1989-03-01

Family

ID=6264652

Family Applications (1)

Application Number Title Priority Date Filing Date
IT03352/86A IT1204123B (en) 1985-03-08 1986-03-07 REGULATING DEVICE WITH CONTROL VALVES CONSTITUTED BY TWO CONTROL BLOCKS FOR DIFFERENT HYDRAULIC OPERATIONS, IN PARTICULAR FOR MOBILE EQUIPMENT

Country Status (3)

Country Link
DE (1) DE3508339A1 (en)
FR (1) FR2578590B1 (en)
IT (1) IT1204123B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076530B2 (en) * 1986-09-27 1995-01-30 日立建機株式会社 Hydraulic circuit of hydraulic excavator
DE3728207A1 (en) * 1987-08-24 1989-03-09 Rexroth Mannesmann Gmbh Valve arrangement for two load-regulated pumps driven by a common drive
DE3805287C2 (en) * 1988-02-19 1995-02-09 Rexroth Mannesmann Gmbh Valve arrangement for at least one hydraulic consumer fed by a pump with a variable delivery volume
DE3901207C2 (en) * 1989-01-17 1994-06-23 Rexroth Mannesmann Gmbh Valve arrangement for several hydraulic drives, in particular for the drives of a crane
DE3901350A1 (en) * 1989-01-18 1990-07-19 Rexroth Mannesmann Gmbh Pressure balance for a directional control valve
DE3901349A1 (en) * 1989-01-18 1990-07-19 Rexroth Mannesmann Gmbh Valve arrangement for several hydraulic consumers
DE3919640C2 (en) * 1989-06-16 1996-10-02 Rexroth Mannesmann Gmbh Control valve device with two control blocks and pump control for several hydraulic drives
DE4111500C2 (en) * 1991-04-09 1997-04-10 Rexroth Mannesmann Gmbh Method and device for limiting the performance of a hydraulic machine
DE4137963C2 (en) * 1991-10-30 1995-03-23 Rexroth Mannesmann Gmbh Valve arrangement for load-independent control of several hydraulic consumers
DE19652922C2 (en) * 1996-12-19 1999-07-29 O & K Mining Gmbh Hydraulic circuit for a hydraulic excavator
US5940997A (en) * 1997-09-05 1999-08-24 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit system for hydraulic working machine
JP3777114B2 (en) * 2001-11-05 2006-05-24 日立建機株式会社 Hydraulic circuit device for hydraulic working machine
DE10238614A1 (en) * 2002-08-17 2004-02-26 Claas Selbstfahrende Erntemaschinen Gmbh Oil volume compensation in the oil circuit of the hydraulic drive of a self-propelled machine
DE102004025928A1 (en) * 2004-05-27 2005-12-22 Franz Xaver Meiller Fahrzeug- Und Maschinenfabrik - Gmbh & Co Kg Control device for controlling a hydraulic drive device of a load movement device, in particular a Schwenkarmanordnung as a lifting device for swap bodies on a load transport vehicle
DE202007005232U1 (en) * 2007-04-11 2008-08-14 Liebherr Mining Equipment Co. tipper
CN102094858A (en) * 2011-01-18 2011-06-15 上海三一科技有限公司 Variable dual-pump hydraulic system capable of providing various flow rate working conditions
CN105271070B (en) * 2015-08-07 2018-06-05 林德（中国）叉车有限公司 A kind of truck hydraulic energy-saving control system and the method for reducing fork truck operating power consumption

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250219B (en) * 1967-09-14 Ludwig Rexroth I ohr/M Device for connecting two pumps in parallel
US3998053A (en) * 1976-03-15 1976-12-21 Caterpillar Tractor Co. Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means
US4087968A (en) * 1977-04-28 1978-05-09 Caterpillar Tractor Co. Flow control valve for combining two dissimilar independent systems to a common pressure source

Also Published As

Publication number Publication date
IT8603352A0 (en) 1986-03-07
DE3508339A1 (en) 1986-09-11
FR2578590A1 (en) 1986-09-12
FR2578590B1 (en) 1990-01-19
DE3508339C2 (en) 1988-01-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940331